Patent | Date |
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Radioactive Gas Measurement Apparatus And Failed Fuel Inspection Apparatus App 20160363504 - KITAGUCHI; Hiroshi ;   et al. | 2016-12-15 |
Radioactive gas measurement apparatus and failed fuel inspection apparatus Grant 9,519,067 - Kitaguchi , et al. December 13, 2 | 2016-12-13 |
Dosage rate measurement system and dosage rate measurement method Grant 9,274,233 - Ueno , et al. March 1, 2 | 2016-03-01 |
Dosage Rate Measurement System And Dosage Rate Measurement Method App 20150123002 - Ueno; Katsunori ;   et al. | 2015-05-07 |
Gamma scanning apparatus Grant 8,842,797 - Tadokoro , et al. September 23, 2 | 2014-09-23 |
Radiation Measurement Apparatus and Method of Measuring Radiation App 20120298875 - UENO; Katsunori ;   et al. | 2012-11-29 |
Medicinal composition for prevention or treatment of parasitic protozoan infection Grant 8,193,224 - Ihara , et al. June 5, 2 | 2012-06-05 |
Gamma Scanning Apparatus App 20120134459 - TADOKORO; Takahiro ;   et al. | 2012-05-31 |
Environmental radioactivity measurement system of administration and an analysis method of the radioactivity Grant 8,190,398 - Kitaguchi , et al. May 29, 2 | 2012-05-29 |
Fuel Assembly Radiation Measuring Apparatus And Method Of Measuring Radiation Of Fuel Assembly App 20120104261 - Kitaguchi; Hiroshi ;   et al. | 2012-05-03 |
Radiological imaging apparatus Grant 8,116,427 - Kojima , et al. February 14, 2 | 2012-02-14 |
Radiological Imaging Apparatus App 20110280365 - Kojima; Shinichi ;   et al. | 2011-11-17 |
Radiological imaging apparatus Grant 7,986,763 - Kojima , et al. July 26, 2 | 2011-07-26 |
Radiation imaging system and nuclear medicine diagnosis instrument therefor Grant 7,952,076 - Tsuchiya , et al. May 31, 2 | 2011-05-31 |
Anti-trypanosomiasis agent Grant 7,795,285 - Ihara , et al. September 14, 2 | 2010-09-14 |
Radiological imaging apparatus and radiological imaging method and radiological imaging support method Grant 7,759,646 - Amemiya , et al. July 20, 2 | 2010-07-20 |
Radiation detector, radiation detector element, and radiation imaging apparatus Grant 7,745,795 - Tsuchiya , et al. June 29, 2 | 2010-06-29 |
Medicinal Composition For Prevention Or Treatment Of Parasitic Protozoan Infection App 20100113789 - Ihara; Masataka ;   et al. | 2010-05-06 |
Radiological imaging system Grant 7,683,338 - Ueno , et al. March 23, 2 | 2010-03-23 |
Radiological Imaging Apparatus App 20100054571 - Kojima; Shinichi ;   et al. | 2010-03-04 |
Radiological imaging apparatus Grant 7,634,048 - Kojima , et al. December 15, 2 | 2009-12-15 |
Radiological imaging apparatus Grant 7,627,082 - Kojima , et al. December 1, 2 | 2009-12-01 |
Semiconductor radiological detector and semiconductor radiological imaging apparatus Grant 7,615,757 - Yokoi , et al. November 10, 2 | 2009-11-10 |
Radiation Imaging System And Nuclear Medicine Diagnosis Instrument Therefor App 20090209841 - Tsuchiya; Katsutoshi ;   et al. | 2009-08-20 |
Radiation detection module, printed circuit board, and radiological imaging apparatus Grant 7,541,593 - Yanagita , et al. June 2, 2 | 2009-06-02 |
Radiation imaging system and nuclear medicine diagnosis instrument therefor Grant 7,535,008 - Tsuchiya , et al. May 19, 2 | 2009-05-19 |
Radiation detection apparatus and radiological imaging apparatus Grant 7,528,378 - Yokoi , et al. May 5, 2 | 2009-05-05 |
Radiation Detection Module, Printed Circuit Board, And Radiological Imaging Apparatus App 20090108208 - Yanagita; Norihito ;   et al. | 2009-04-30 |
Radiological Imaging Apparatus App 20090092229 - Kojima; Shinichi ;   et al. | 2009-04-09 |
Pharmaceutical Composition Comprising Azarhodacyanine Compound As Active Ingredient App 20090076067 - Ihara; Masataka ;   et al. | 2009-03-19 |
Environmental Radioactivity Measurement System Of Administration And An Analysis Method Of The Radioactivity App 20090070070 - Kitaguchi; Hiroshi ;   et al. | 2009-03-12 |
Near Infrared Fluorescent Contrast Agent And Method For Fluorescence Imaging App 20090041670 - Kawakami; Masayuki ;   et al. | 2009-02-12 |
Pharmaceutical Composition Comprising Phenoxazinium Compound As An Active Ingredient App 20090036437 - Ihara; Masataka ;   et al. | 2009-02-05 |
Near infrared fluorescent contrast agent and method for fluorescence imaging Grant 7,473,415 - Kawakami , et al. January 6, 2 | 2009-01-06 |
Radiation Detector, Radiation Detector Element, And Radiation Imaging Apparatus App 20080283760 - TSUCHIYA; Katsutoshi ;   et al. | 2008-11-20 |
Semiconductor radiation detector and radiological imaging apparatus Grant 7,446,319 - Yanagita , et al. November 4, 2 | 2008-11-04 |
Radiation imaging apparatus and nuclear medicine diagnosis apparatus using the same Grant 7,442,937 - Tsuchiya , et al. October 28, 2 | 2008-10-28 |
Radiological imaging apparatus and radiological imaging method and radiological imaging support method App 20080152074 - Amemiya; Kensuke ;   et al. | 2008-06-26 |
Radiological imaging apparatus App 20080137804 - Kojima; Shinichi ;   et al. | 2008-06-12 |
Radiological imaging apparatus Grant 7,381,073 - Yokoi , et al. June 3, 2 | 2008-06-03 |
Radiation detector, radiation detector element, and radiation imaging apparatus Grant 7,378,662 - Tsuchiya , et al. May 27, 2 | 2008-05-27 |
Radiological imaging apparatus Grant 7,372,036 - Yokoi , et al. May 13, 2 | 2008-05-13 |
Glycerol ester derivative Grant 7,371,877 - Takahashi , et al. May 13, 2 | 2008-05-13 |
Radiological imaging apparatus Grant 7,372,035 - Yokoi , et al. May 13, 2 | 2008-05-13 |
Radiological imaging apparatus and radiological imaging method and radiological imaging support method Grant 7,355,181 - Amemiya , et al. April 8, 2 | 2008-04-08 |
Radiation Imaging System And Nuclear Medicine Diagnosis Instrument Therefor App 20080078937 - TSUCHIYA; Katsutoshi ;   et al. | 2008-04-03 |
Anti-Trypanosomiasis Agent App 20080045574 - Ihara; Masataka ;   et al. | 2008-02-21 |
Coincidence counting method of .gamma. ray and nuclear medicine diagnostic apparatus Grant 7,329,873 - Yanagita , et al. February 12, 2 | 2008-02-12 |
Radiation imaging apparatus and nuclear medicine diagnosis apparatus using the same App 20080029705 - Tsuchiya; Katsutoshi ;   et al. | 2008-02-07 |
Radiation Detector And Radiation Apparatus App 20080001092 - Yokoi; Kazuma ;   et al. | 2008-01-03 |
Radiation detector and radiation apparatus Grant 7,315,025 - Yokoi , et al. January 1, 2 | 2008-01-01 |
Semiconductor radiological detector and semiconductor radiological imaging apparatus App 20070278414 - Yokoi; Kazuma ;   et al. | 2007-12-06 |
Semiconductor radiation detector, positron emission tomography apparatus, semiconductor radiation detection apparatus, detector unit and nuclear medicine diagnostic apparatus Grant 7,297,955 - Amemiya , et al. November 20, 2 | 2007-11-20 |
Radiological imaging apparatus Grant 7,297,958 - Kojima , et al. November 20, 2 | 2007-11-20 |
Coincidence counting method of .gamma.ray and nuclear medicine diagnostic apparatus Grant 7,274,021 - Yanagita , et al. September 25, 2 | 2007-09-25 |
1,3-glyceride compound having two iodophenyl groups Grant 7,264,790 - Takahashi , et al. September 4, 2 | 2007-09-04 |
X-ray sensor signal processor and X-ray computed tomography system using the same Grant 7,260,176 - Kamimura , et al. August 21, 2 | 2007-08-21 |
Radiation detection apparatus and radiological imaging apparatus App 20070176110 - Yokoi; Kazuma ;   et al. | 2007-08-02 |
Tomogram creating device and radiation examining apparatus Grant 7,251,523 - Kojima , et al. July 31, 2 | 2007-07-31 |
Radiation detection module, radiation detector and radiological imaging apparatus Grant 7,247,860 - Yanagita , et al. July 24, 2 | 2007-07-24 |
Semiconductor radiation detector and radiological imaging apparatus App 20070152163 - Yanagita; Norihito ;   et al. | 2007-07-05 |
Radiological imaging apparatus App 20070138398 - Yokoi; Kazuma ;   et al. | 2007-06-21 |
Radiological Imaging Apparatus App 20070117439 - Yokoi; Kazuma ;   et al. | 2007-05-24 |
Radiological imaging apparatus Grant 7,218,701 - Ueno , et al. May 15, 2 | 2007-05-15 |
Radiological imaging apparatus and its detector unit Grant 7,217,931 - Ueno , et al. May 15, 2 | 2007-05-15 |
Radiation detection apparatus and radiological imaging apparatus Grant 7,202,482 - Yokoi , et al. April 10, 2 | 2007-04-10 |
Semiconductor radiological detector and semiconductor radiological imaging apparatus Grant 7,202,480 - Yokoi , et al. April 10, 2 | 2007-04-10 |
Radiological imaging system App 20070057191 - Ueno; Yuuichirou ;   et al. | 2007-03-15 |
Radiological imaging apparatus App 20070058773 - Ueno; Yuuichirou ;   et al. | 2007-03-15 |
Radiological imaging apparatus Grant 7,183,557 - Yokoi , et al. February 27, 2 | 2007-02-27 |
Radiation detector and radiation apparatus App 20070034801 - Yokoi; Kazuma ;   et al. | 2007-02-15 |
X-ray sensor signal processor and X-ray computed tomography system using the same App 20070009082 - Kamimura; Hiroshi ;   et al. | 2007-01-11 |
Semiconductor radiation detector and radiation detection apparatus Grant 7,157,716 - Kitaguchi , et al. January 2, 2 | 2007-01-02 |
Nidus position specifying system and radiation examination apparatus App 20060293584 - Kojima; Shinichi ;   et al. | 2006-12-28 |
Radiological imaging apparatus Grant 7,154,989 - Ueno , et al. December 26, 2 | 2006-12-26 |
Radioactive gas measurement apparatus and failed fuel detection system Grant 7,151,262 - Kitaguchi , et al. December 19, 2 | 2006-12-19 |
Radioactive Gas Measurement Apparatus And Failed Fuel Detection System App 20060278828 - Kitaguchi; Hiroshi ;   et al. | 2006-12-14 |
Tomogram creating method Grant 7,149,565 - Kojima , et al. December 12, 2 | 2006-12-12 |
Radiation detector and radiation apparatus Grant 7,141,797 - Yokoi , et al. November 28, 2 | 2006-11-28 |
Radiation detector, radiation detector element, and radiation imaging apparatus App 20060261281 - Tsuchiya; Katsutoshi ;   et al. | 2006-11-23 |
Semiconductor radiation detector, positron emission tomography apparatus, semiconductor radiation detection apparatus, detector unit and nuclear medicine diagnostic apparatus App 20060243915 - Amemiya; Kensuke ;   et al. | 2006-11-02 |
Radiological imaging apparatus and radiological imaging method and radiological imaging support method Grant 7,127,026 - Amemiya , et al. October 24, 2 | 2006-10-24 |
Radiation detector, radiation detector element, and radiation imaging apparatus Grant 7,119,340 - Tsuchiya , et al. October 10, 2 | 2006-10-10 |
Radiation detector, radiation detector element, and radiation imaging apparatus Grant 7,115,877 - Tsuchiya , et al. October 3, 2 | 2006-10-03 |
Radiological imaging apparatus App 20060214110 - Kojima; Shinichi ;   et al. | 2006-09-28 |
X-ray sensor signal processor and X-ray computed tomography system using the same Grant 7,113,563 - Kamimura , et al. September 26, 2 | 2006-09-26 |
Liposome containing hydrophobic iodine compound Grant 7,101,532 - Aikawa , et al. September 5, 2 | 2006-09-05 |
Coincidence counting method of gamma ray and nuclear medicine diagnostic apparatus App 20060192127 - Yanagita; Norihito ;   et al. | 2006-08-31 |
Radiological imaging apparatus and radiological imaging method and radiological imaging support method App 20060188059 - Amemiya; Kensuke ;   et al. | 2006-08-24 |
Radiological imaging apparatus App 20060153339 - Ueno; Yuuichirou ;   et al. | 2006-07-13 |
Radiological imaging apparatus and radiological imaging method and radiological imaging support method Grant 7,053,376 - Amemiya , et al. May 30, 2 | 2006-05-30 |
Radiological imaging apparatus App 20060086907 - Yokoi; Kazuma ;   et al. | 2006-04-27 |
Radiological imaging apparatus Grant 7,026,622 - Kojima , et al. April 11, 2 | 2006-04-11 |
Semiconductor radiation detector and radiation detection apparatus App 20060065847 - Kitaguchi; Hiroshi ;   et al. | 2006-03-30 |
Radiation imaging apparatus and nuclear medicine diagnosis apparatus using the same App 20060065836 - Tsuchiya; Katsutoshi ;   et al. | 2006-03-30 |
Glycerol ester derivative App 20060062726 - Takahashi; Kazunobu ;   et al. | 2006-03-23 |
Liposome containing hydrophobic iodine compound and X-ray contrast medium for radiograph comprising the liposome Grant 7,008,614 - Kitaguchi , et al. March 7, 2 | 2006-03-07 |
Radiological imaging apparatus App 20060043309 - Yokoi; Kazuma ;   et al. | 2006-03-02 |
X-ray sensor signal processor and x-ray computed tomography system using the same App 20060034420 - Kamimura; Hiroshi ;   et al. | 2006-02-16 |
Radiological imaging apparatus and radiological imaging method Grant 6,976,784 - Kojima , et al. December 20, 2 | 2005-12-20 |
X-ray sensor signal processor and X-ray computed tomography system using the same Grant 6,975,700 - Kamimura , et al. December 13, 2 | 2005-12-13 |
Radiological imaging apparatus and radiological imaging method and radiological imaging support method Grant 6,973,159 - Amemiya , et al. December 6, 2 | 2005-12-06 |
Radiological imaging apparatus and radiological imaging method Grant 6,965,661 - Kojima , et al. November 15, 2 | 2005-11-15 |
Radiation detection module, radiation detector and radiological imaging apparatus App 20050230630 - Yanagita, Norihito ;   et al. | 2005-10-20 |
Near infrared fluorescent contrast agent and method for fluorescence imaging App 20050226815 - Kawakami, Masayuki ;   et al. | 2005-10-13 |
Semiconductor radiation detector, positron emission tomography apparatus, semiconductor radiation detection apparatus, detector unit and nuclear medicine diagnostic apparatus App 20050199816 - Amemiya, Kensuke ;   et al. | 2005-09-15 |
Cyanine dyes Grant 6,939,975 - Kawakami , et al. September 6, 2 | 2005-09-06 |
Semiconductor radiation detector, positron emission tomography apparatus, semiconductor radiation detection apparatus, detector unit and nuclear medicine diagnostic apparatus App 20050178970 - Amemiya, Kensuke ;   et al. | 2005-08-18 |
Semiconductor radiation detector, positron emission tomography apparatus, semiconductor radiation detection apparatus, detector unit and nuclear medicine diagnostic apparatus App 20050178969 - Amemiya, Kensuke ;   et al. | 2005-08-18 |
X-ray sensor signal processor and X-ray computed tomography system using the same Grant 6,928,138 - Kamimura , et al. August 9, 2 | 2005-08-09 |
Semiconductor radiation detector, positron emission tomography apparatus, semiconductor radiation detection apparatus, detector unit and nuclear medicine diagnostic apparatus App 20050167600 - Amemiya, Kensuke ;   et al. | 2005-08-04 |
X-ray sensor signal processor and X-ray computed tomography system using the same Grant 6,925,143 - Kamimura , et al. August 2, 2 | 2005-08-02 |
Radiation detection apparatus and radiological imaging apparatus App 20050156114 - Yokoi, Kazuma ;   et al. | 2005-07-21 |
Radiological imaging apparatus Grant 6,920,196 - Ueno , et al. July 19, 2 | 2005-07-19 |
Radiological imaging apparatus and its detector unit App 20050151087 - Ueno, Yuuichirou ;   et al. | 2005-07-14 |
Radiological imaging apparatus App 20050127302 - Kojima, Shinichi ;   et al. | 2005-06-16 |
Radiation detector and radiation apparatus App 20050098730 - Yokoi, Kazuma ;   et al. | 2005-05-12 |
Electronic exposure dose meter and radiation handling operation management system employing the same Grant 6,891,476 - Kitaguchi , et al. May 10, 2 | 2005-05-10 |
Semiconductor radiation detector, positron emission tomography apparatus, semiconductor radiation detection apparatus, detector unit and nuclear medicine diagnostic apparatus App 20050067572 - Amemiya, Kensuke ;   et al. | 2005-03-31 |
Coincidence counting method of gamma ray and nuclear medicine diagnostic apparatus App 20050067571 - Yanagita, Norihito ;   et al. | 2005-03-31 |
Nuclear medicine imaging apparatus App 20050067579 - Tsuchiya, Katsutoshi ;   et al. | 2005-03-31 |
Semiconductor radiation detector and radiological imaging apparatus App 20050067577 - Yanagita, Norihito ;   et al. | 2005-03-31 |
Radiological imaging system App 20050067578 - Ueno, Yuuichirou ;   et al. | 2005-03-31 |
Semiconductor radiological detector and semiconductor radiological imaging apparatus App 20050067574 - Yokoi, Kazuma ;   et al. | 2005-03-31 |
X-ray sensor signal processor and x-ray computed tomography system using the same Grant 6,859,511 - Kamimura , et al. February 22, 2 | 2005-02-22 |
Nidus position specifying system and radiation examination apparatus App 20050035296 - Kojima, Shinichi ;   et al. | 2005-02-17 |
1,3-glyceride compound having two iodophenyl groups App 20050002864 - Takahashi, Kazunobu ;   et al. | 2005-01-06 |
X-ray sensor signal processor and X-ray computed tomography system using the same App 20040264633 - Kamimura, Hiroshi ;   et al. | 2004-12-30 |
X-ray sensor signal processor and X-ray computed tomography system using the same App 20040234024 - Kamimura, Hiroshi ;   et al. | 2004-11-25 |
X-ray sensor signal processor and X-ray computed tomography system using the same App 20040223582 - Kamimura, Hiroshi ;   et al. | 2004-11-11 |
Radiation detector, radiation detector element, and radiation imaging apparatus App 20040217293 - Tsuchiya, Katsutoshi ;   et al. | 2004-11-04 |
Radiographic inspection apparatus and radiographic inspection method App 20040200965 - Umegaki, Kikuo ;   et al. | 2004-10-14 |
Radiological imaging apparatus App 20040190676 - Kojima, Shinichi ;   et al. | 2004-09-30 |
Radiological imaging apparatus and radiological imaging method App 20040174948 - Kojima, Shinichi ;   et al. | 2004-09-09 |
Charged particle measuring device and measuring method thereof Grant 6,774,638 - Kogawa , et al. August 10, 2 | 2004-08-10 |
Radiological imaging apparatus App 20040125915 - Ueno, Yuuichirou ;   et al. | 2004-07-01 |
Radiation detector, radiation detector element, and radiation imaging apparatus App 20040104350 - Tsuchiya, Katsutoshi ;   et al. | 2004-06-03 |
Radiological imaging apparatus and radiological imaging method and radiological imaging support method App 20040081277 - Amemiya, Kensuke ;   et al. | 2004-04-29 |
Radiological imaging apparatus and radiological imaging method and radiological imaging support method App 20040081278 - Amemiya, Kensuke ;   et al. | 2004-04-29 |
Tomogram creating device, tomogram creating method, and radiation examining apparatus App 20040062345 - Kojima, Shinichi ;   et al. | 2004-04-01 |
Cyanine dyes App 20040054192 - Kawakami, Masayuki ;   et al. | 2004-03-18 |
Charged particle measuring device and measuring method thereof Grant 6,639,392 - Kogawa , et al. October 28, 2 | 2003-10-28 |
Bisaryl compound and medicament for cancer treatment comprising the same App 20030199560 - Yonetani, Yoshiyuki ;   et al. | 2003-10-23 |
Radiological imaging apparatus and radiological imaging method and radiological imaging support method App 20030179853 - Amemiya, Kensuke ;   et al. | 2003-09-25 |
Liposomes containing hydrophobic iodo compound App 20030180220 - Aikawa, Kazuhiro ;   et al. | 2003-09-25 |
Bisaryl compound and medicament for cancer treatment comprising the same Grant 6,608,061 - Yonetani , et al. August 19, 2 | 2003-08-19 |
Tomogram creating device, tomogram creating method, and radiation examining apparatus App 20030153828 - Kojima, Shinichi ;   et al. | 2003-08-14 |
Charged particle measuring device and measuring method thereof App 20030146760 - Kogawa, Nobuyoshi ;   et al. | 2003-08-07 |
Radiological imaging apparatus App 20030118155 - Ueno, Yuuichirou ;   et al. | 2003-06-26 |
Radiological imaging apparatus App 20030108147 - Kojima, Shinichi ;   et al. | 2003-06-12 |
Liposome containing hydrophobic iodine compound and X-ray contrast medium for radiograph comprising the liposome App 20030086875 - Kitaguchi, Hiroshi ;   et al. | 2003-05-08 |
Method for preparing cell culture system App 20030064415 - Aikawa, Kazuhiro ;   et al. | 2003-04-03 |
Charged particle measuring device and measuring method thereof App 20030030444 - Kogawa, Nobuyoshi ;   et al. | 2003-02-13 |
Bisaryl Compound And Medicament For Cancer Treatment Comprising The Same App 20030018070 - YONETANI, YOSHIYUKI ;   et al. | 2003-01-23 |
Radiological imaging apparatus App 20030012331 - Kojima, Shinichi ;   et al. | 2003-01-16 |
Electronic exposure dose meter and radiation handling operation management system employing the same App 20020195572 - Kitaguchi, Hiroshi ;   et al. | 2002-12-26 |
Radiological imaging apparatus and radiological imaging method App 20020191734 - Kojima, Shinichi ;   et al. | 2002-12-19 |
Electronic exposure dose meter and radiation handling operation management system employing the same App 20020180606 - Kitaguchi, Hiroshi ;   et al. | 2002-12-05 |
X-ray sensor signal processor and x-ray computed tomography system using the same App 20020154729 - Kamimura, Hiroshi ;   et al. | 2002-10-24 |
Radioactive gas measurement apparatus and failed fuel detection system App 20020084420 - Kitaguchi, Hiroshi ;   et al. | 2002-07-04 |
Non-destructive inspection apparatus and inspection system using it Grant 6,333,962 - Kitaguchi , et al. December 25, 2 | 2001-12-25 |
Non-destructive inspection apparatus and inspection system using it Grant 6,049,586 - Kitaguchi , et al. April 11, 2 | 2000-04-11 |
Non-destructive inspection apparatus and inspection system using it Grant 5,933,473 - Kitaguchi , et al. August 3, 1 | 1999-08-03 |
Neutron individual dose meter neutron dose rate meter, neutron detector and its method of manufacture Grant RE35,908 - Kitaguchi , et al. September 29, 1 | 1998-09-29 |
Semiconductor radiation detection apparatus for discriminating radiation having differing energy levels Grant 5,457,322 - Kitaguchi , et al. October 10, 1 | 1995-10-10 |
Peptide derivative amphiphatic compound, intermediate thereof and liposome and film comprising peptide derivative amphiphatic compound Grant 5,252,706 - Kitaguchi , et al. October 12, 1 | 1993-10-12 |
System for discriminating radiation-contaminated fragments and apparatus for measuring radioactivity of fragments Grant 5,076,502 - Kitaguchi , et al. December 31, 1 | 1991-12-31 |
Semiconductor radiation detector Grant 4,879,466 - Kitaguchi , et al. November 7, 1 | 1989-11-07 |
Method and apparatus for measuring the distribution of radioactivity Grant 4,777,367 - Kawasaki , et al. October 11, 1 | 1988-10-11 |
Apparatus for measuring concentration of radioactivity Grant 4,532,103 - Kitaguchi , et al. July 30, 1 | 1985-07-30 |