Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11735888 | Semiconductor optical device and method for producing semiconductor optical device | Naoki Fujiwara, Hideki Yagi, Takuo HIRATANI, Takehiko Kikuchi | 2023-08-22 |
| 11527866 | Semiconductor optical device | Naoki Fujiwara, Hideki Yagi, Hajime Shoji, Takuo HIRATANI, Takehiko Kikuchi | 2022-12-13 |
| 11211523 | Method for manufacturing optical semiconductor device | — | 2021-12-28 |
| 5445692 | Process for reinforcing a semiconductor wafer | — | 1995-08-29 |
| 5403773 | Method for producing a semiconductor light emitting device | Takashi Iwasaki | 1995-04-04 |
| 4999135 | Rust-proof sealing composition | Hiroshi Matsuda, Toshiyuki Aoki | 1991-03-12 |