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 1–25 of 109 patents

Patent #TitleCo-InventorsDate
11804573 Group III-V light emitting diode Chae Hon Kim, Chung Hoon Lee 2023-10-31
9379284 Nitride semiconductor light emitting chip, and nitride semiconductor light emitting device Akira Inoue, Toshiyuki Fujita, Masaki Fujikane 2016-06-28
9324913 Nitride semiconductor structure, multilayer structure, and nitride semiconductor light-emitting element Songbaek CHOE, Shunji Yoshida 2016-04-26
9318659 Nitride semiconductor light emitting element having light emitting layer including INxGa1-xN well layer and LED system Akira Inoue, Shunji Yoshida 2016-04-19
9287378 Nitride semiconductor light-emitting element and method for fabricating the same Mitsuaki Oya 2016-03-15
9276171 Nitride semiconductor light-emitting diode Toshiyuki Fujita, Akira Inoue 2016-03-01
9252330 Semiconductor light emitting element Akihiro Isozaki, Akira Inoue, Atsushi Yamada 2016-02-02
9209254 Structure and manufacturing method of the structure, and gallium nitride-based semiconductor light-emitting device using the structure and manufacturing method of the device Masaki Fujikane, Akira Inoue 2015-12-08
9209361 Nitride semiconductor light-emitting element Akio Ueta, Masaaki Yuri, Ryou Kato 2015-12-08
9209350 Method for fabricating triangular prismatic m-plane nitride semiconductor light-emitting diode Mitsuaki Oya 2015-12-08
9196794 Semiconductor light-emitting device, method for forming recesses of the same, and light source apparatus using the same Toshiyuki Fujita, Akira Inoue 2015-11-24
9147804 Nitride semiconductor light-emitting element and light source including the nitride semiconductor light-emitting element Ryou Kato, Kunimasa Takahashi, Masaki Fujikane 2015-09-29
9130141 Light-emitting diode element and light-emitting diode device Junko Iwanaga, Akira Inoue, Shigeo Hayashi 2015-09-08
9117961 Nitride-based semiconductor light-emitting element Akira Inoue, Masaki Fujikane 2015-08-25
8994031 Gallium nitride compound semiconductor light emitting element and light source provided with said light emitting element Ryou Kato, Shunji Yoshida 2015-03-31
8981340 Nitride semiconductor device and production method thereof Yasutoshi Kawaguchi, Toshitaka Shimamoto, Akihiko Ishibashi, Isao Kidoguchi 2015-03-17
8962363 Method for forming a groove on a surface of flat plate formed of a nitride semiconductor crystal Akira Inoue, Toshiyuki Fujita 2015-02-24
8941130 Semiconductor light-emitting device Akira Inoue 2015-01-27
8941131 Semiconductor light-emitting device Akira Inoue 2015-01-27
8933543 Nitride semiconductor element having m-plane angled semiconductor region and electrode including Mg and Ag Mitsuaki Oya, Atsushi Yamada, Akihiro Isozaki 2015-01-13
8928004 Structure for growth of nitride semiconductor layer, stacked structure, nitride-based semiconductor element, light source, and manufacturing method for same Songbaek CHOE, Akira Inoue, Atsushi Yamada 2015-01-06
8912563 Nitride semiconductor light-emitting device Akira Inoue 2014-12-16
8896001 Nitride semiconductor light emitting device Akira Inoue, Masaki Fujikane 2014-11-25
8895419 Nitride semiconductor light-emitting element and method for fabricating the same Naomi Anzue 2014-11-25
8890175 Nitride-based semiconductor element and method for fabricating the same Naomi Anzue, Akira Inoue, Ryou Kato 2014-11-18