TY

Toshiya Yokogawa

PA Panasonic: 76 patents #99 of 21,108Top 1%
Sumitomo Electric Industries: 30 patents #489 of 21,551Top 3%
MC Matsushit Electric Industrial Co.: 1 patents #13 of 293Top 5%
PA Panasonc: 1 patents #1 of 16Top 7%
SC Seoul Viosys Co.: 1 patents #215 of 300Top 75%
📍 Nara, JP: #12 of 2,795 inventorsTop 1%
Overall (All Time): #12,214 of 4,157,543Top 1%
109
Patents All Time

Issued Patents All Time

Showing 26–50 of 109 patents

Patent #TitleCo-InventorsDate
8890175 Nitride-based semiconductor element and method for fabricating the same Naomi Anzue, Akira Inoue, Ryou Kato 2014-11-18
8884317 Semiconductor light-emitting device Akira Inoue 2014-11-11
8866127 Nitride semiconductor light-emitting element including Si-doped layer, and light source Kunimasa Takahashi, Ryou Kato, Shunji Yoshida 2014-10-21
8852965 Method of making semiconductor having superhydrophilic principal surface and method of arranging particles thereon Masaki Fujikane, Akira Inoue 2014-10-07
8841220 Gallium nitride based semiconductor light-emitting element, light source, and method for forming unevenness structure Masaki Fujikane, Akira Inoue 2014-09-23
8835967 Nitride-based semiconductor light-emitting device Akira Inoue, Masaki Fujikane 2014-09-16
8822000 Nanostructure and method for manufacturing the same Hironori Kumagai, Yasuhiro Hashimoto, Shigeo Hayashi, Takuma Asari 2014-09-02
8823026 Nitride semiconductor light-emitting element and manufacturing method therefor Junko Iwanaga, Akira Inoue 2014-09-02
8791473 Nitride semiconductor light-emitting element, illuminating device, liquid crystal display device, method for producing nitride semiconductor light-emitting element and method for manufacturing illuminating device Akira Inoue, Masaki Fujikane, Mitsuaki Oya, Atsushi Yamada, Tadashi Yano 2014-07-29
8785965 Nitride-based semiconductor light-emitting device and method for fabricating the same Ryou Kato 2014-07-22
8748899 Nitride-based semiconductor device and method for fabricating the same Mitsuaki Oya, Atsushi Yamada, Ryou Kato 2014-06-10
8729587 Nitride semiconductor element and manufacturing method therefor Mitsuaki Oya, Atsushi Yamada, Ryou Kato 2014-05-20
8729579 Nitride-based semiconductor light-emitting element, lighting device, liquid crystal display device, and method for producing lighting device Akira Inoue, Masaki Fujikane, Mitsuaki Oya, Atsushi Yamada, Tadashi Yano 2014-05-20
8686561 Nitride-based semiconductor device and method for fabricating the same Mitsuaki Oya, Atsushi Yamada, Ryou Kato 2014-04-01
8648378 Nitride-based semiconductor device and method for fabricating the same Mitsuaki Oya, Atsushi Yamada, Ryou Kato 2014-02-11
8647907 Nitride-based semiconductor device and method for fabricating the same Naomi Anzue 2014-02-11
8648350 Gallium nitride compound semiconductor light-emitting device Ryou Kato, Masaki Fujikane, Akira Inoue 2014-02-11
8604591 Nitride-type semiconductor element and process for production thereof Ryou Kato, Naomi Anzue 2013-12-10
8587022 Nitride semiconductor light-emitting element and process for production thereof Akira Inoue, Junko Iwanaga, Ryou Kato, Masaki Fujikane 2013-11-19
8546167 Gallium nitride-based compound semiconductor light-emitting element Ryou Kato, Shunji Yoshida 2013-10-01
8455905 Semiconductor light-emitting device Masaki Fujikane, Akira Inoue 2013-06-04
8441108 Nitride semiconductor element having electrode on m-plane and method for producing the same Mitsuaki Oya, Atsushi Yamada, Akihiro Isozaki 2013-05-14
8421054 Light-emitting diode Junko Iwanaga, Atsushi Yamada 2013-04-16
8357607 Method for fabricating nitride-based semiconductor device having electrode on m-plane Mitsuaki Oya, Atsushi Yamada, Ryou Kato 2013-01-22
8334199 Method for fabricating nitride-based semiconductor device having electrode on m-plane Mitsuaki Oya, Atsushi Yamada, Akihiro Isozaki 2012-12-18