Issued Patents All Time
Showing 1–25 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12412554 | Key guide structure for keyboard instrument | — | 2025-09-09 |
| 12334712 | Optical semiconductor integrated element and method of manufacturing optical semiconductor integrated element | — | 2025-06-17 |
| 12223934 | Keyboard device for keyboard instrument | — | 2025-02-11 |
| 12205568 | Keyboard device for keyboard instrument | — | 2025-01-21 |
| 12199410 | Semiconductor device and method for producing the same | — | 2025-01-14 |
| 12190853 | Keyboard device for keyboard instrument | — | 2025-01-07 |
| 12154531 | Key for keyboard device | — | 2024-11-26 |
| 12136403 | Keyboard device for keyboard instrument | — | 2024-11-05 |
| 11616342 | Semiconductor optical element, semiconductor optical integrated element, and method for manufacturing semiconductor optical element | Hitoshi Sakuma, Kazuyuki Onoe | 2023-03-28 |
| 10819085 | Method for manufacturing optical semiconductor device | — | 2020-10-27 |
| 10121917 | Solar cell and solar cell module | Naofumi Hayashi, Takahiro Mishima, Tsuyoshi Takahama | 2018-11-06 |
| 8258048 | Semiconductor laser device and method of fabricating the same | Masayuki Hata, Takashi Kano, Masayuki Shono, Hiroki Ohbo, Yasuhiko Nomura +1 more | 2012-09-04 |
| 7961768 | Integrated semiconductor laser device and method of fabricating the same | Hiroaki Izu, Hiroki Ohbo, Ryoji Hiroyama, Masayuki Hata, Kiyoshi Oota | 2011-06-14 |
| 7941196 | Waterproof structure | Yasuhiko Kawasaki, Takeru Baba, Toshiyuki Murakami, Shigeru Kato | 2011-05-10 |
| 7807490 | Manufacturing method of nitride semiconductor device and nitride semiconductor device | Takashi Kano, Hiroaki Izu, Masayuki Hata, Yasuhiko Nomura | 2010-10-05 |
| 7804871 | Semiconductor laser | Takehiro Nishida, Harumi Nishiguchi, Hitoshi Tada, Yasuaki Yoshida | 2010-09-28 |
| 7778299 | Semiconductor laser | Takehiro Nishida, Yuji Okura, Tadashi Takase | 2010-08-17 |
| 7773654 | Semiconductor laser apparatus and fabrication method thereof | Yasuyuki Bessho, Masayuki Hata, Daijiro Inoue | 2010-08-10 |
| 7767891 | Key for keyboard-based musical instruments | — | 2010-08-03 |
| 7769069 | Integrated semiconductor laser diode module and manufacturing method of the same | Yasuhiko Nomura, Yasuyuki Bessho, Masayuki Hata | 2010-08-03 |
| 7756180 | Semiconductor laser | Takehiro Nishida, Harumi Nishiguchi, Hitoshi Tada, Yasuaki Yoshida | 2010-07-13 |
| 7732686 | Stopper for keyboard-based musical instruments | — | 2010-06-08 |
| 7655484 | Nitride-based semiconductor device and method of fabricating the same | Tadao Toda, Masayuki Hata, Yasuhiko Nomura | 2010-02-02 |
| 7653107 | Semiconductor light-emitting device | Yoshihiro Hisa, Takehiro Nishida, Kenji Hiramatsu | 2010-01-26 |
| 7653098 | Semiconductor light emitting device and method for manufacturing the same | Yoshihisa Tashiro, Kenzo Mori, Hiroo Sakamoto, Takehiro Nishida | 2010-01-26 |