Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12336755 | Hair cutting device and hair cutting system | Kenji Narita | 2025-06-24 |
| 12303192 | Hair cutting member, device body of hair cutting device, and hair cutting device | — | 2025-05-20 |
| 12239199 | Hair cutting member and hair cutting device | — | 2025-03-04 |
| 12220167 | Hair cutting device and hair cutting system | Kenji Narita | 2025-02-11 |
| 12018805 | Light source device and lighting device | Kazuhiko Yamanaka | 2024-06-25 |
| 11028988 | Light source device and lighting device | Kazuhiko Yamanaka | 2021-06-08 |
| 10865955 | Wavelength conversion element and light emitting device | Kazuhiko Yamanaka, Hirotaka Ueno, Kimihiro Murakami | 2020-12-15 |
| 10777711 | Wavelength conversion element and light emitting device | Kazuhiko Yamanaka, Hirotaka Ueno, Kimihiro Murakami | 2020-09-15 |
| 10447005 | Light source device | Kazuhiko Yamanaka, Kiyoshi Morimoto, Kazuyuki Matsumura, Hideo Yamaguchi, Nobuyasu Suzuki | 2019-10-15 |
| 9644803 | Light source and image projection apparatus | Kazuhiko Yamanaka, Kiyoshi Morimoto | 2017-05-09 |
| 9214788 | Semiconductor light emitting element | Masao Kawaguchi, Shinichiro NOZAKI | 2015-12-15 |
| 9146453 | Light-emitting device and projection apparatus | Kiyoshi Morimoto, Kazuhiko Yamanaka, Takuma Katayama | 2015-09-29 |
| 8942269 | Nitride semiconductor light-emitting device | Kenji Orita, Hiroshi Ohno, Kazuhiko Yamanaka | 2015-01-27 |
| 8422526 | Semiconductor laser device and method for manufacturing the same | Katsuya Samonji, Masao Kawaguchi | 2013-04-16 |
| 8253220 | Nitride semiconductor device and method for fabricating the same | Ryo Kajitani, Satoshi Tamura | 2012-08-28 |
| 8189637 | Semiconductor light-emitting device and method for manufacturing the same | Norio Ikedo | 2012-05-29 |
| 7612381 | Method for fabricating a semiconductor device and semiconductor device | Satoshi Kamiyama, Hiroshi Amano, Motoaki Iwaya, Isamu Akasaki | 2009-11-03 |