| Patent | Date |
|---|
Keyboard Device For Keyboard Instrument
App 20220310050 - YAMAGUCHI; Tsutomu | 2022-09-29 |
Semiconductor Device And Method For Producing The Same
App 20220278507 - YAMAGUCHI; Tsutomu | 2022-09-01 |
Optical Semiconductor Integrated Element And Method Of Manufacturing Optical Semiconductor Integrated Element
App 20220200242 - YAMAGUCHI; Tsutomu | 2022-06-23 |
Semiconductor Optical Element, Semiconductor Optical Integrated Element, And Method For Manufacturing Semiconductor Optical Element
App 20210075194 - YAMAGUCHI; Tsutomu ; et al. | 2021-03-11 |
Method for manufacturing optical semiconductor device
Grant 10,819,085 - Yamaguchi October 27, 2 | 2020-10-27 |
Method For Manufacturing Optical Semiconductor Device
App 20190296523 - YAMAGUCHI; Tsutomu | 2019-09-26 |
Solar cell and solar cell module
Grant 10,121,917 - Hayashi , et al. November 6, 2 | 2018-11-06 |
Solar Cell And Solar Cell Module
App 20160197210 - HAYASHI; Naofumi ; et al. | 2016-07-07 |
Solar Cell, Solar Cell Module And Method Of Manufacturing Solar Cell
App 20150027532 - YAMAGUCHI; Tsutomu ; et al. | 2015-01-29 |
Semiconductor laser device and method of fabricating the same
Grant 8,258,048 - Yamaguchi , et al. September 4, 2 | 2012-09-04 |
Method Of Fabricating A Semiconductor Device With A Back Electrode
App 20120108011 - HATA; Masayuki ; et al. | 2012-05-03 |
Integrated Semiconductor Laser Device And Method Of Fabricating The Same
App 20110211609 - IZU; Hiroaki ; et al. | 2011-09-01 |
Integrated semiconductor laser device and method of fabricating the same
Grant 7,961,768 - Izu , et al. June 14, 2 | 2011-06-14 |
Waterproof structure
Grant 7,941,196 - Kawasaki , et al. May 10, 2 | 2011-05-10 |
Semiconductor Laser Apparatus And Fabrication Method Thereof
App 20100260227 - BESSHO; Yasuyuki ; et al. | 2010-10-14 |
Manufacturing method of nitride semiconductor device and nitride semiconductor device
Grant 7,807,490 - Kano , et al. October 5, 2 | 2010-10-05 |
Semiconductor laser
Grant 7,804,871 - Yamaguchi , et al. September 28, 2 | 2010-09-28 |
Semiconductor laser
Grant 7,778,299 - Yamaguchi , et al. August 17, 2 | 2010-08-17 |
Semiconductor laser apparatus and fabrication method thereof
Grant 7,773,654 - Bessho , et al. August 10, 2 | 2010-08-10 |
Integrated semiconductor laser diode module and manufacturing method of the same
Grant 7,769,069 - Nomura , et al. August 3, 2 | 2010-08-03 |
Key for keyboard-based musical instruments
Grant 7,767,891 - Yamaguchi August 3, 2 | 2010-08-03 |
Semiconductor laser
Grant 7,756,180 - Yamaguchi , et al. July 13, 2 | 2010-07-13 |
Stopper for keyboard-based musical instruments
Grant 7,732,686 - Yamaguchi June 8, 2 | 2010-06-08 |
Nitride-based semiconductor device and method of fabricating the same
Grant 7,655,484 - Toda , et al. February 2, 2 | 2010-02-02 |
Semiconductor light emitting device and method for manufacturing the same
Grant 7,653,098 - Yamaguchi , et al. January 26, 2 | 2010-01-26 |
Semiconductor light-emitting device
Grant 7,653,107 - Hisa , et al. January 26, 2 | 2010-01-26 |
Method Of Manufacturing Semiconductor Laser
App 20100003778 - Tada; Hitoshi ; et al. | 2010-01-07 |
Nitride-based semiconductor device and method of fabricating the same
Grant 7,629,623 - Toda , et al. December 8, 2 | 2009-12-08 |
Semiconductor Laser
App 20090290612 - Yamaguchi; Tsutomu ; et al. | 2009-11-26 |
Semiconductor Laser Device And Method Of Fabricating The Same
App 20090262772 - Yamaguchi; Tsutomu ; et al. | 2009-10-22 |
Monolithic semiconductor laser and method of manufacturing the same
Grant 7,602,830 - Nishida , et al. October 13, 2 | 2009-10-13 |
Semiconductor device and method of fabricating the same
Grant 7,589,357 - Hata , et al. September 15, 2 | 2009-09-15 |
Semiconductor laser device and method of fabricating the same
Grant 7,567,605 - Yamaguchi , et al. July 28, 2 | 2009-07-28 |
Electrode pattern and wire bonding method
Grant 7,550,673 - Hisa , et al. June 23, 2 | 2009-06-23 |
Semiconductor Light Emitting Device And Method For Manufacturing The Same
App 20090135878 - Yamaguchi; Tsutomu ; et al. | 2009-05-28 |
Keyboard device for keyboard instrument
Grant 7,514,613 - Yamaguchi April 7, 2 | 2009-04-07 |
Integrated semiconductor laser device and method of fabricating the same
Grant 7,512,167 - Izu , et al. March 31, 2 | 2009-03-31 |
Integrated Semiconductor Laser Device And Method Of Fabricating The Same
App 20090046755 - IZU; Hiroaki ; et al. | 2009-02-19 |
Nitride-based semiconductor light-emitting device
Grant 7,485,902 - Inoue , et al. February 3, 2 | 2009-02-03 |
Semiconductor Light-emitting Device And Manufacturing Method Thereof
App 20090022197 - Hisa; Yoshihiro ; et al. | 2009-01-22 |
Nitride-based Semiconductor Device And Method Of Fabricating The Same
App 20080315221 - Toda; Tadao ; et al. | 2008-12-25 |
Semiconductor Laser
App 20080310473 - Yamaguchi; Tsutomu ; et al. | 2008-12-18 |
Manufacturing method of nitride semiconductor device and nitride semiconductor device
App 20080280445 - Kano; Takashi ; et al. | 2008-11-13 |
Electrode Pattern And Wire Bonding Method
App 20080230255 - Hisa; Yoshihiro ; et al. | 2008-09-25 |
Keyboard device for keyboard musical instrument
Grant 7,411,122 - Yamaguchi August 12, 2 | 2008-08-12 |
Nitride-based Semiconductor Device And Method Of Fabricating The Same
App 20080179601 - TODA; Tadao ; et al. | 2008-07-31 |
Manufacturing method of nitride semiconductor device and nitride semiconductor device
Grant 7,405,096 - Kano , et al. July 29, 2 | 2008-07-29 |
Stopper for Keyboard-Based Musical Instruments
App 20080127807 - Yamaguchi; Tsutomu | 2008-06-05 |
Semiconductor device
Grant 7,372,077 - Hata , et al. May 13, 2 | 2008-05-13 |
Waterproof structure
App 20080081679 - Kawasaki; Yasuhiko ; et al. | 2008-04-03 |
Semiconductor device and method of fabricating the same
App 20080073664 - Hata; Masayuki ; et al. | 2008-03-27 |
Nitride-based Semiconductor Device And Method Of Fabricating The Same
App 20080067541 - Toda; Tadao ; et al. | 2008-03-20 |
Nitride-based Semiconductor Device And Method Of Fabricating The Same
App 20080069162 - Toda; Tadao ; et al. | 2008-03-20 |
Semiconductor device and method of fabricating the same
App 20070292979 - Hata; Masayuki ; et al. | 2007-12-20 |
Monolithic semiconductor laser and method of manufacturing the same
App 20070264738 - Nishida; Takehiro ; et al. | 2007-11-15 |
Nitride-based semiconductor device and method of fabricating the same
App 20070235750 - Toda; Tadao ; et al. | 2007-10-11 |
Method of forming a nitride-based semiconductor
Grant 7,279,344 - Hayashi , et al. October 9, 2 | 2007-10-09 |
Semiconductor laser apparatus
Grant 7,260,132 - Nishida , et al. August 21, 2 | 2007-08-21 |
Key for keyboard-based musical instruments
App 20070137461 - Yamaguchi; Tsutomu | 2007-06-21 |
Electronic device
Grant 7,224,307 - Hisatsune , et al. May 29, 2 | 2007-05-29 |
Nitride-based semiconductor device and method of fabricating the same
App 20070077669 - Toda; Tadao ; et al. | 2007-04-05 |
Nitride-based semiconductor element and method of forming nitride-based semiconductor
App 20070001192 - Hayashi; Nobuhiko ; et al. | 2007-01-04 |
Semiconductor laser apparatus
App 20060227831 - Nishida; Takehiro ; et al. | 2006-10-12 |
Semiconductor laser device and method of fabricating the same
App 20060222036 - Yamaguchi; Tsutomu ; et al. | 2006-10-05 |
Nitride-based semiconductor element
Grant 7,109,530 - Hayashi , et al. September 19, 2 | 2006-09-19 |
Electronic digital pressure switch
Grant 7,071,832 - Miyamoto , et al. July 4, 2 | 2006-07-04 |
Semiconductor laser
App 20060098704 - Yamaguchi; Tsutomu ; et al. | 2006-05-11 |
Integrated semiconductor laser device and method of fabricating the same
App 20060078020 - Izu; Hiroaki ; et al. | 2006-04-13 |
Keyboard device for keyboard instrument
App 20060021490 - Yamaguchi; Tsutomu | 2006-02-02 |
Nitride semiconductor laser element
App 20060011946 - Toda; Tadao ; et al. | 2006-01-19 |
Base station controller and mobile station
Grant 6,975,604 - Ishida , et al. December 13, 2 | 2005-12-13 |
Integrated semiconductor laser diode module and manufacturing method of the same
App 20050232327 - Nomura, Yasuhiko ; et al. | 2005-10-20 |
Manufacturing method of nitride semiconductor device and nitride semiconductor device
App 20050221590 - Kano, Takashi ; et al. | 2005-10-06 |
Semiconductor laser apparatus and fabrication method thereof
App 20050220159 - Bessho, Yasuyuki ; et al. | 2005-10-06 |
Semiconductor laser apparatus and fabrication method thereof
App 20050218420 - Bessho, Yasuyuki ; et al. | 2005-10-06 |
Nitride-based semiconductor device and method of fabricating the same
App 20050191775 - Toda, Tadao ; et al. | 2005-09-01 |
Nitride-based semiconductor device and method of fabricating the same
Grant 6,890,779 - Toda , et al. May 10, 2 | 2005-05-10 |
Monolithic semiconductor laser and method of manufacturing the same
App 20050069005 - Nishida, Takehiro ; et al. | 2005-03-31 |
Nitride-based semiconductor device and method of fabricating the same
App 20050029539 - Toda, Tadao ; et al. | 2005-02-10 |
Operation detection switch, musical instrument and parameter determination program
Grant 6,849,796 - Yamaguchi February 1, 2 | 2005-02-01 |
Semiconductor device and method of fabricating the same
App 20040245540 - Hata, Masayuki ; et al. | 2004-12-09 |
Electronic digital pressure switch
App 20040187585 - Miyamoto, Yoshio ; et al. | 2004-09-30 |
Nitride-based semiconductor device and method of fabricating the same
Grant 6,791,120 - Toda , et al. September 14, 2 | 2004-09-14 |
Nitride-based semiconductor element and method of forming nitride-based semiconductor
App 20040169193 - Hayashi, Nobuhiko ; et al. | 2004-09-02 |
Nitride-based semiconductor element and method of forming nitride-based semiconductor
Grant 6,759,139 - Kunisato , et al. July 6, 2 | 2004-07-06 |
Nitride-based semiconductor laser device and method of forming the same
Grant 6,743,702 - Goto , et al. June 1, 2 | 2004-06-01 |
Nitride-based semiconductor light-emitting device and method of forming the same
Grant 6,744,075 - Yamaguchi , et al. June 1, 2 | 2004-06-01 |
Keyboard device for keyboard musical instrument
App 20040065186 - Yamaguchi, Tsutomu | 2004-04-08 |
Nitride-based semiconductor light-emitting device
App 20040061119 - Inoue, Daijiro ; et al. | 2004-04-01 |
Nitride-based semiconductor element
Grant 6,713,845 - Hayashi , et al. March 30, 2 | 2004-03-30 |
Nitride-based semiconductor device and method of fabricating the same
App 20040012032 - Toda, Tadao ; et al. | 2004-01-22 |
Nitride-based semiconductor light-emitting device
Grant 6,649,942 - Hata , et al. November 18, 2 | 2003-11-18 |
Operation detection switch, musical instrument and parameter determination program
App 20030159571 - Yamaguchi, Tsutomu | 2003-08-28 |
Electronic apparatus
App 20030137338 - Hisatsune, Toshiyuki ; et al. | 2003-07-24 |
Radio communication method and radio communication system
Grant 6,577,880 - Ishida , et al. June 10, 2 | 2003-06-10 |
Nitride-based semiconductor light-emitting device and method of forming the same
App 20030052322 - Yamaguchi, Tsutomu ; et al. | 2003-03-20 |
Nitride-based semiconductor light-emitting device
App 20020190263 - Hata, Masayuki ; et al. | 2002-12-19 |
Nitride-based semiconductor laser device and method of forming the same
App 20020146855 - Goto, Takenori ; et al. | 2002-10-10 |
Nitride-based semiconductor element and method of forming nitride-based semiconductor
App 20020127856 - Kunisato, Tatsuya ; et al. | 2002-09-12 |
Nitride-based semiconductor element and method of forming nitride-based semiconductor
App 20020123162 - Hayashi, Nobuhiko ; et al. | 2002-09-05 |
Rubber molded product
Grant 6,037,397 - Satoh , et al. March 14, 2 | 2000-03-14 |
Mechanism for rotatably supporting rotary member of keyboard
Grant 5,610,352 - Yamaguchi March 11, 1 | 1997-03-11 |
Abutment device for a key switch arrangement operable with both hammer-equipped and hammerless keyboards for electronic musical instruments
Grant 5,571,983 - Yamaguchi , et al. November 5, 1 | 1996-11-05 |
Method of designing a high-frequency circuit
Grant 5,528,509 - Sawai , et al. June 18, 1 | 1996-06-18 |
Keyboard apparatus for electronic musical instrument having cooperating jacks and hammers
Grant 5,243,125 - Yamaguchi September 7, 1 | 1993-09-07 |
Detection mark and method and apparatus for detecting mark
Grant 5,210,411 - Oshima , et al. May 11, 1 | 1993-05-11 |
Keyboard apparatus for electronic keyboard musical instrument
Grant 5,079,985 - Yamaguchi , et al. January 14, 1 | 1992-01-14 |
Free access floor
Grant 5,031,369 - Kobayashi , et al. July 16, 1 | 1991-07-16 |
Key device for electronic keyboard musical instrument
Grant 4,890,533 - Katsuta , et al. January 2, 1 | 1990-01-02 |
Method of making thermal transfer type multicolor printing
Grant 4,551,729 - Kubo , et al. November 5, 1 | 1985-11-05 |
Assaying lipid peroxide in lipid compositions
Grant 4,367,285 - Yamaguchi , et al. January 4, 1 | 1983-01-04 |
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