| Patent | Date |
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Optical modulator
Grant 11,353,728 - Tanaka , et al. June 7, 2 | 2022-06-07 |
Semiconductor device and method of manufacturing the same
Grant 11,251,143 - Watanabe , et al. February 15, 2 | 2022-02-15 |
Spot size converter and manufacturing method of the same
Grant 11,215,757 - Watanabe , et al. January 4, 2 | 2022-01-04 |
Organic electron transport material and organic electroluminescent element using same
Grant 11,063,223 - Watanabe , et al. July 13, 2 | 2021-07-13 |
Organic electron transport material and organic electroluminescent element using same
Grant 11,031,561 - Hayashida , et al. June 8, 2 | 2021-06-08 |
Optical Modulator
App 20210055622 - TANAKA; Hajime ; et al. | 2021-02-25 |
Spot Size Converter And Manufacturing Method Of The Same
App 20210018682 - WATANABE; Masataka ; et al. | 2021-01-21 |
Mach-Zehnder modulator
Grant 10,824,044 - Kono , et al. November 3, 2 | 2020-11-03 |
Asymmetrical spot-size converter and method of manufacturing spot-size converter
Grant 10,725,241 - Kono , et al. | 2020-07-28 |
Organic Electron Transport Material And Organic Electroluminescent Element Using Same
App 20200168807 - Hayashida; Tsuyoshi ; et al. | 2020-05-28 |
Device Control System
App 20200159175 - Watanabe; Masataka ; et al. | 2020-05-21 |
Semiconductor Device And Method Of Manufacturing The Same
App 20200105691 - Watanabe; Masataka ; et al. | 2020-04-02 |
Three Dimensional Representation Generating System
App 20200082641 - Watanabe; Masataka ; et al. | 2020-03-12 |
Mach-zehnder Modulator
App 20200004102 - KONO; Naoya ; et al. | 2020-01-02 |
Spot-size Converter And Method Of Manufacturing Spot-size Converter
App 20190391332 - Kono; Naoya ; et al. | 2019-12-26 |
Semiconductor optical element and method for manufacturing the same
Grant 10,248,000 - Kitamura , et al. | 2019-04-02 |
Organic Electron Transport Material And Organic Electroluminescent Element Using Same
App 20180375032 - Watanabe; Masataka ; et al. | 2018-12-27 |
Hetero-bipolar transistor and method for producing the same
Grant 10,121,761 - Watanabe November 6, 2 | 2018-11-06 |
Semiconductor Optical Element And Method For Manufacturing The Same
App 20180275482 - KITAMURA; Takamitsu ; et al. | 2018-09-27 |
Mach-Zehnder modulator, method for fabricating Mach-Zehnder modulator
Grant 9,885,936 - Watanabe , et al. February 6, 2 | 2018-02-06 |
Mach-zehnder Modulator, Method For Fabricating Mach-zehnder Modulator
App 20170343881 - WATANABE; MASATAKA ; et al. | 2017-11-30 |
Semiconductor Device
App 20170294365 - WATANABE; Masataka | 2017-10-12 |
Hetero-bipolar Transistor And Method For Producing The Same
App 20170271300 - WATANABE; Masataka | 2017-09-21 |
Mach-Zehnder modulator, method of making optical waveguide structure
Grant 9,753,350 - Kitamura , et al. September 5, 2 | 2017-09-05 |
Traveling-wave amplifier
Grant 9,698,023 - Itabashi , et al. July 4, 2 | 2017-07-04 |
Semiconductor device having buried region beneath electrode and method to form the same
Grant 9,679,996 - Watanabe June 13, 2 | 2017-06-13 |
Semiconductor optical modulator and method for manufacturing semiconductor optical modulator
Grant 9,523,871 - Kitamura , et al. December 20, 2 | 2016-12-20 |
Semiconductor Device Having Buried Region Beneath Electrode And Method To Form The Same
App 20160293742 - WATANABE; Masataka | 2016-10-06 |
Mach-zehnder Modulator, Method Of Making Optical Waveguide Structure
App 20160282701 - KITAMURA; Takamitsu ; et al. | 2016-09-29 |
Hetero-bipolar Transistor And Method For Producing The Same
App 20160141220 - WATANABE; Masataka | 2016-05-19 |
Traveling-wave Amplifier
App 20160072462 - ITABASHI; Naoki ; et al. | 2016-03-10 |
Semiconductor Optical Modulator And Method For Manufacturing Semiconductor Optical Modulator
App 20160011439 - KITAMURA; Takamitsu ; et al. | 2016-01-14 |
Organic EL element and method for producing same
Grant 9,136,475 - Okumoto , et al. September 15, 2 | 2015-09-15 |
Method for manufacturing nitride semiconductor self-supporting substrate and nitride semiconductor self-supporting substrate
Grant 9,127,376 - Takamizawa , et al. September 8, 2 | 2015-09-08 |
Organic El Element And Method For Producing Same
App 20130092918 - OKUMOTO; Kenji ; et al. | 2013-04-18 |
Grifola frondosa-derived substance having anti-influenza virus activity and method for producing the same
Grant 8,168,196 - Watanabe , et al. May 1, 2 | 2012-05-01 |
Method for manufacturing compound semiconductor substrate, compound semiconductor substrate and light emitting device
Grant 8,003,421 - Suzuki , et al. August 23, 2 | 2011-08-23 |
Method For Manufacturing Compound Semiconductor Substrate, Compound Semiconductor Substrate And Light Emitting Device
App 20100276709 - Suzuki; Yukari ; et al. | 2010-11-04 |
Grifola Frondosa-derived Substance Having Anti-influenza Virus Activity And Method For Producing The Same
App 20100239602 - Watanabe; Masataka ; et al. | 2010-09-23 |
Method for fabricating a semiconductor device
Grant 7,648,867 - Watanabe , et al. January 19, 2 | 2010-01-19 |
Method For Manufacturing Nitride Semiconductor Self-supporting Substrate And Nitride Semiconductor Self-supporting Substrate
App 20100001376 - Takamizawa; Shoichi ; et al. | 2010-01-07 |
Method For Fabricating A Semiconductor Device
App 20080188066 - WATANABE; Masataka ; et al. | 2008-08-07 |
Embedded system and program and key interruption control method
App 20070061620 - Watanabe; Masataka | 2007-03-15 |
Angular substrates
Grant 7,122,280 - Moriya , et al. October 17, 2 | 2006-10-17 |
Glass base material manufacturing apparatus and glass base material manufacturing method
Grant 7,055,345 - Tobisaka , et al. June 6, 2 | 2006-06-06 |
Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus
App 20050132753 - Shimizu, Yoshiaki ; et al. | 2005-06-23 |
Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus
Grant 6,848,276 - Shimizu , et al. February 1, 2 | 2005-02-01 |
Method for polishing angular substrates
Grant 6,790,129 - Moriya , et al. September 14, 2 | 2004-09-14 |
Method of making an optical fiber preform where a second elongation is based on a mark on a glass rod
Grant 6,779,362 - Shimizu , et al. August 24, 2 | 2004-08-24 |
OVD apparatus including air-regulating structure
Grant 6,672,112 - Tobisaka , et al. January 6, 2 | 2004-01-06 |
Magnetron sputtering system and photomask blank production method based on the same
Grant 6,666,957 - Watanabe , et al. December 23, 2 | 2003-12-23 |
Phase shift mask blank, phase shift mask, and methods of manufacture
Grant 6,641,958 - Inazuki , et al. November 4, 2 | 2003-11-04 |
Active oxygen scavenger and cancer chemopreventer from Grifola
App 20030202984 - Tazawa, Kenji ; et al. | 2003-10-30 |
Active oxygen scavenger and cancer chemopreventer from Grifola
Grant 6,616,928 - Tazawa , et al. September 9, 2 | 2003-09-09 |
Glass base material manufacturing apparatus and glass base material manufacturing method
App 20030126893 - Tobisaka, Yuuji ; et al. | 2003-07-10 |
Glass base material manufacturing apparatus and glass base material manufacturing method
App 20030121290 - Tobisaka, Yuuji ; et al. | 2003-07-03 |
Method for polishing angular substrates
App 20030036340 - Moriya, Jiro ; et al. | 2003-02-20 |
Angular substrates
App 20030031890 - Moriya, Jiro ; et al. | 2003-02-13 |
Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus
App 20020152772 - Shimizu, Yoshiaki ; et al. | 2002-10-24 |
Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus
App 20020148257 - Shimizu, Yoshiaki ; et al. | 2002-10-17 |
Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus
App 20020144520 - Shimizu, Yoshiaki ; et al. | 2002-10-10 |
Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus
App 20020139148 - Shimizu, Yoshiaki ; et al. | 2002-10-03 |
Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus
App 20020139149 - Shimizu, Yoshiaki ; et al. | 2002-10-03 |
Magnetron sputtering system and photomask blank production method based on the same
App 20020125127 - Watanabe, Masataka ; et al. | 2002-09-12 |
Optical fiber manufacture method including elongating a preform in a vertical direction and a horizontal direction
Grant 6,386,001 - Shimizu , et al. May 14, 2 | 2002-05-14 |
Phase shift mask blank, phase shift mask, and methods of manufacture
App 20020025478 - Inazuki, Yukio ; et al. | 2002-02-28 |
Active oxygen scavenger and cancer chemopreventer from Grifola
App 20010000229 - Tazawa, Kenji ; et al. | 2001-04-12 |
Method for fabricating compound semiconductor epitaxial wafer and vapor phase growth apparatus using the same
Grant 6,184,049 - Watanabe , et al. February 6, 2 | 2001-02-06 |
Compound semiconductor epitaxial wafer
Grant 5,912,476 - Watanabe , et al. June 15, 1 | 1999-06-15 |
Heat exchanging device
Grant 5,097,897 - Watanabe , et al. March 24, 1 | 1992-03-24 |
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