Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12328924 | Semiconductor device | Yasuhiro Isobe, Hung Hung, Akira Yoshioka, Toru Sugiyama | 2025-06-10 |
| 12273101 | Semiconductor device | Toru Sugiyama, Noriaki Yoshikawa, Yasuhiko Kuriyama, Akira Yoshioka, Hitoshi Kobayashi +4 more | 2025-04-08 |
| 12062651 | Semiconductor device | Yasuhiro Isobe, Hung Hung, Akira Yoshioka, Toru Sugiyama, Hitoshi Kobayashi +3 more | 2024-08-13 |
| 12046668 | Semiconductor device | Toru Sugiyama, Akira Yoshioka, Hitoshi Kobayashi, Yasuhiro Isobe, Hung Hung +2 more | 2024-07-23 |
| 11508647 | Semiconductor device | Toru Sugiyama, Akira Yoshioka, Hung Hung, Yasuhiro Isobe, Hitoshi Kobayashi +3 more | 2022-11-22 |
| 11290100 | Semiconductor device | Hung Hung, Yasuhiro Isobe, Akira Yoshioka, Toru Sugiyama, Masaaki Iwai +3 more | 2022-03-29 |
| 11264899 | Semiconductor device | Akira Yoshioka, Toru Sugiyama, Masaaki Iwai, Naonori Hosokawa, Hung Hung +1 more | 2022-03-01 |
| 11251298 | Power semiconductor device | Yasuhiro Isobe, Hung Hung | 2022-02-15 |
| 10998433 | Semiconductor device | Hung Hung, Yasuhiro Isobe, Akira Yoshioka, Toru Sugiyama, Masaaki Iwai +1 more | 2021-05-04 |
| 10910489 | Semiconductor device | — | 2021-02-02 |
| 10771057 | Semiconductor device | Akira Yoshioka, Toru Sugiyama, Masaaki Iwai, Naonori Hosokawa, Hung Hung +1 more | 2020-09-08 |
| 8796111 | Stacked layers of nitride semiconductor and method for manufacturing the same | Hideto Sugawara | 2014-08-05 |
| 8502350 | Stacked layers of nitride semiconductor and method for manufacturing the same | Hideto Sugawara | 2013-08-06 |
| 7862657 | Crystal growth method and apparatus | Yoshiyuki Harada | 2011-01-04 |
| 7737467 | Nitride semiconductor device with a hole extraction electrode | Wataru Saito | 2010-06-15 |
| 7602829 | Semiconductor light emitting device and method of manufacturing same | Takayuki Matsuyama | 2009-10-13 |
| 7554127 | Semiconductor light-emitting element and method of manufacturing the same | Akira Tanaka | 2009-06-30 |
| 7531397 | Method for manufacturing a semiconductor device on GAN substrate having surface bidirectionally inclined toward <1-100> and <11-20> directions relative to {0001} crystal planes | Koichi Tachibana, Chie Hongo, Shinya Nunoue | 2009-05-12 |
| 7498618 | Nitride semiconductor device | Wataru Saito, Akira Tanaka, Koichi Tachibana, Masahiko Kuraguchi, Takao Noda +2 more | 2009-03-03 |
| 7369592 | Semiconductor laser device | Akira Tanaka | 2008-05-06 |
| 7358156 | Compound semiconductor device and method of manufacturing the same | Akira Tanaka, Seiji Iida, Takayuki Matsuyama | 2008-04-15 |
| 7339255 | Semiconductor device having bidirectionally inclined toward <1-100> and <11-20> relative to {0001} crystal planes | Koichi Tachibana, Chie Hongo, Shinya Nunoue | 2008-03-04 |
| 7333523 | Semiconductor laser device | Akira Tanaka, Hideto Sugawara, Chie Hongo, Yoshiyuki Harada | 2008-02-19 |
| 7135710 | Semiconductor light-emitting device | Akira Tanaka | 2006-11-14 |
| 6873634 | Semiconductor laser diode | Mariko Suzuki, Masayuki Ishikawa | 2005-03-29 |