Usui; Akira

Patent Applications and Registrations

Patent applications and USPTO patent grants for Usui; Akira.The latest application filed is for "method for producing group 13 nitride single crystal and apparatus for producing group 13 nitride single crystal".

Company Profile

1.49.35

Usui; Akira - Tokyo JP
Usui; Akira - Toride JP
Usui; Akira - Hamamatsu JP
Usui; Akira - Osaka JP
Usui; Akira - Hamamatsu-shi JP
Usui; Akira - Takatsuki JP
Usui, Akira - Takatsuki-shi JP
Usui; Akira - Tsukuba JP
Usui; Akira - Kakegawa JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method for producing group-III nitride crystal, group-III nitride crystal, semiconductor device, and device for producing group-III nitride crystal Grant 10,266,965 - Mori , et al.	2019-04-23
Method For Producing Group 13 Nitride Single Crystal And Apparatus For Producing Group 13 Nitride Single Crystal App 20180163323 - Satoh; Takashi ; et al.	2018-06-14
Method For Producing Group-iii Nitride Crystal, Group-iii Nitride Crystal, Semiconductor Device, And Device For Producing Group-iii Nitride Crystal App 20170073839 - MORI; Yusuke ; et al.	2017-03-16
Audio playback method and apparatus using line array speaker unit Grant 8,345,883 - Takumai , et al. January 1, 2	2013-01-01
Abrasive article Grant 8,308,532 - Usui , et al. November 13, 2	2012-11-13
Porous substrate and its manufacturing method, and gan semiconductor multilayer substrate and its manufacturing method Grant 7,829,913 - Shibata , et al. November 9, 2	2010-11-09
Abrasive Article App 20100112920 - USUI; Akira ; et al.	2010-05-06
Method for forming visible images on optical recording medium Grant 7,656,779 - Morishima , et al. February 2, 2	2010-02-02
Audio characteristic correction system Grant 7,580,530 - Konagai , et al. August 25, 2	2009-08-25
Optical recording apparatus with drawing capability of visible image on disk face Grant 7,535,809 - Morishima , et al. May 19, 2	2009-05-19
Method, program and system of forming visual image on optical disk Grant 7,496,023 - Morishima , et al. February 24, 2	2009-02-24
Characteristic correction apparatus for gamma correcting an image based on the image type Grant 7,463,295 - Asada , et al. December 9, 2	2008-12-09
Method of recording information on optical disks at a recording density proportional to the actual information volume and disk nominal capacity Grant 7,339,863 - Usui , et al. March 4, 2	2008-03-04
Optical Recording Apparatus With Drawing Capability of Visible Image on Disk Face App 20070153646 - Morishima; Morito ; et al.	2007-07-05
Method and apparatus for receiving and displaying coupon information App 20070157225 - Harada; Takenosuke ; et al.	2007-07-05
Epitaxially grown nitride-based compound semiconductor crystal substrate structure with low dislocation density Grant 7,196,399 - Usui , et al. March 27, 2	2007-03-27
Group III nitride semiconductor substrate and its manufacturing method Grant 7,189,588 - Usui , et al. March 13, 2	2007-03-13
Audio characteristic correction system App 20070036366 - Konagai; Yusuke ; et al.	2007-02-15
Array speaker system App 20070019831 - Usui; Akira	2007-01-25
Array speaker system App 20060256979 - Usui; Akira ; et al.	2006-11-16
Group Iii Nitride Based Semiconductor Substrate And Process For Manufacture Thereof App 20060191467 - Usui; Akira ; et al.	2006-08-31
Optical recording apparatus with drawing capability of visible image on disk face App 20060193237 - Morishima; Morito ; et al.	2006-08-31
Group III nitride based semiconductor substrate and process for manufacture thereof Grant 7,097,920 - Usui , et al. August 29, 2	2006-08-29
Optical recording apparatus with drawing capability of visible image on disk face Grant 7,082,094 - Morishima , et al. July 25, 2	2006-07-25
Audio playback method and apparatus using line array speaker unit App 20060126878 - Takumai; Susumu ; et al.	2006-06-15
Optical disk apparatus for recording information at a recording density proportional to the actual information volume and disk nominal capacity Grant 7,046,597 - Usui , et al. May 16, 2	2006-05-16
Method of recording information on optical disks at recording density proportional to the actual information volume and disk nominal capacity App 20060077821 - Usui; Akira ; et al.	2006-04-13
Optical disk recorder for writing data with variable density Grant 7,012,864 - Tamaru , et al. March 14, 2	2006-03-14
Porous substrate and its manufacturing method, and gan semiconductor multilayer substrate and its manufacturing method App 20060046511 - Shibata; Masatomo ; et al.	2006-03-02
Group III nitride semiconductor substrate and its manufacturing method App 20060046325 - Usui; Akira ; et al.	2006-03-02
Optical recording apparatus with interleaving blank rounds into spiral track Grant 6,980,495 - Osakabe , et al. December 27, 2	2005-12-27
Optical disk recorder for writing data with variable density App 20050232105 - Konagai, Yusuke ; et al.	2005-10-20
Semiconductor substrate made of group III nitride, and process for manufacture thereof Grant 6,924,159 - Usui , et al. August 2, 2	2005-08-02
Visible image forming method, program, and visible image forming system App 20050121416 - Morishima, Morito ; et al.	2005-06-09
Characteristic correcting device App 20050104987 - Asada, Ryoji ; et al.	2005-05-19
Epitaxially grown nitride-based compound semiconductor crystal substrate structure App 20050029507 - Usui, Akira ; et al.	2005-02-10
Optical disk recorder for writing data with variable density App 20040228242 - Tamaru, Takuya ; et al.	2004-11-18
Method of forming an epitaxially grown nitride-based compound semiconductor crystal substrate structure and the same substrate structure Grant 6,812,051 - Usui , et al. November 2, 2	2004-11-02
Method, program and system of forming visual image on optical disk App 20040095866 - Morishima, Morito ; et al.	2004-05-20
Optical recording apparatus with interleaving blank rounds into spiral track App 20040008593 - Osakabe, Katsuichi ; et al.	2004-01-15
Method of manufacturing compound semiconductor substrate Grant 6,667,252 - Miyajima , et al. December 23, 2	2003-12-23
Base substrate for crystal growth and manufacturing method of substrate by using the same App 20030207125 - Sunakawa, Haruo ; et al.	2003-11-06
Group III nitride based semiconductor substrate and process for manufacture thereof App 20030183157 - Usui, Akira ; et al.	2003-10-02
Optical recording apparatus with drawing capability of visible image on disk face App 20030117932 - Morishima, Morito ; et al.	2003-06-26
Television receiver and additional information transmitting method Grant 6,577,347 - Nishio , et al. June 10, 2	2003-06-10
Method for manufacturing group III-V compound semiconductors Grant 6,555,845 - Sunakawa , et al. April 29, 2	2003-04-29
Optical disk apparatus with flexible capacity by adjustment of recording density App 20030021202 - Usui, Akira ; et al.	2003-01-30
Method of forming an epitaxially grown nitride-based compound semiconductor crystal substrate structure and the same substrate structure App 20030017685 - Usui, Akira ; et al.	2003-01-23
Semiconductor substrate made of group III nitride, and process for manufacture thereof App 20020197825 - Usui, Akira ; et al.	2002-12-26
Method of manufacturing compound semiconductor substrate App 20020146912 - Miyajima, Takao ; et al.	2002-10-10
Broadcasting system and an information broadcast receiving terminal apparatus used therein App 20020120927 - Harada, Takenosuke ; et al.	2002-08-29
Optical disk recorder for writing data with variable density App 20020105867 - Tamaru, Takuya ; et al.	2002-08-08
Method for manufacturing group III-V compound semiconductors App 20020066403 - Sunakawa, Haruo ; et al.	2002-06-06
Ozonizer Grant 6,395,239 - Tabata , et al. May 28, 2	2002-05-28
Data Transmitter, Data Receiver, Processor, Equipment Managing Device, Equipment Managing System, Data Transmitting-receiving System, And Medium App 20020051082 - YAMADA, MASAZUMI ; et al.	2002-05-02
Television receiver and additional information transmitting method App 20020030760 - Nishio, Toshiro ; et al.	2002-03-14
Microorganisms, microbial symbionts, their culture methods, and methods for treating manganese-containing water using them Grant 6,350,605 - Mita , et al. February 26, 2	2002-02-26
Method for manufacturing group III-V compound semiconductors Grant 6,348,096 - Sunakawa , et al. February 19, 2	2002-02-19
Method and apparatus for transmitting and receiving television signal Grant 6,345,388 - Nishio , et al. February 5, 2	2002-02-05
Television receiver and additional information transmitting method Grant 6,335,763 - Nishio , et al. January 1, 2	2002-01-01
Method of manufacturing a nitrogen-based semiconductor substrate and a semiconductor element by using the same App 20010026950 - Sunakawa, Haruo ; et al.	2001-10-04
GaN crystal film, a group III element nitride semiconductor wafer and a manufacturing process therefor Grant 6,252,261 - Usui , et al. June 26, 2	2001-06-26
Method of manufacturing abrasive sheet with thin resin film Grant 6,183,677 - Usui , et al. February 6, 2	2001-02-06
Abrasive sheet with thin resin film Grant 5,928,760 - Usui , et al. July 27, 1	1999-07-27
Method for growing p-type gallium nitride based compound semiconductors by vapor phase epitaxy Grant 5,902,393 - Nido , et al. May 11, 1	1999-05-11
Integrated circuit device having internal fast clock source Grant 5,598,447 - Usui January 28, 1	1997-01-28
Optical disk recording device Grant 5,526,333 - Usui , et al. June 11, 1	1996-06-11
Method for epitaxial growth of semiconductor crystal by using halogenide Grant 5,469,806 - Mochizuki , et al. November 28, 1	1995-11-28
Television tuner unit having shield housing Grant 5,355,532 - Kubo , et al. October 11, 1	1994-10-11
Station selecting apparatus Grant 5,203,032 - Usui April 13, 1	1993-04-13
Tuner station selecting apparatus Grant 5,179,729 - Mishima , et al. January 12, 1	1993-01-12
Digital filter capable of sample rate alteration Grant 5,101,369 - Torii , et al. March 31, 1	1992-03-31
Receiving apparatus for receiving a BS-IF signal converted into a superhigh band or UHF band Grant 5,093,922 - Kubo , et al. March 3, 1	1992-03-03
Television tuner for common use in BS/UV Grant 5,014,349 - Kubo , et al. May 7, 1	1991-05-07
Shielding device Grant 4,861,941 - Kubo , et al. August 29, 1	1989-08-29
Channel selection apparatus having automatic frequency compensation for transmission frequency error Grant 4,817,195 - Kubo , et al. March 28, 1	1989-03-28
High frequency amplifier circuit Grant 4,806,876 - Usui , et al. February 21, 1	1989-02-21
Amplifier for high frequency signal Grant 4,764,736 - Usui , et al. August 16, 1	1988-08-16
Local oscillation apparatus Grant 4,751,475 - Kubo , et al. June 14, 1	1988-06-14
Data transmission system Grant 4,694,293 - Sugiyama , et al. September 15, 1	1987-09-15
Light emitting diode Grant 4,680,602 - Watanabe , et al. July 14, 1	1987-07-14
Frequency conversion apparatus Grant 4,677,692 - Sakashita , et al. June 30, 1	1987-06-30
Method and apparatus for packing articles with composite stretched films Grant 4,409,776 - Usui October 18, 1	1983-10-18

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