Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12414406 | Semiconductor light-emitting device and photocoupler | Hideto Sugawara, Naoki Murakami, Takanobu Kamakura | 2025-09-09 |
| 11908972 | Semiconductor light-emitting device and optical coupling device | Akira Tanaka, Hideto Sugawara, Katsufumi Kondo, Masanobu Iwamoto, Kenji Isomoto | 2024-02-20 |