Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12349522 | Light emitting device and electronic instrument using the same | Shozo Oshio, Mitsuru Nitta, Ryosuke SHIGITANI, Chigusa FUJIWARA | 2025-07-01 |
| 11353642 | Optical filter, multiplex optical filter, and light emitting device and illumination system using the same | Ryosuke SHIGITANI | 2022-06-07 |
| 11056988 | Drive unit and motor system for brushless DC motors | — | 2021-07-06 |
| 8669578 | Wavelength conversion particle, wavelength conversion member using same, and light emitting device | Shinji Shibamoto, Keiichi Yamazaki, Tomokazu Kusunoki | 2014-03-11 |