Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12142701 | Light receiving device | Takatomo ISOMURA | 2024-11-12 |
| 11843262 | Optical power supply converter | Takatomo ISOMURA | 2023-12-12 |
| 11356054 | Optical power supply converter | Ken USUI | 2022-06-07 |
| 11276790 | Semiconductor light receiving element | Takatomo ISOMURA | 2022-03-15 |
| 11276791 | Edge incident type semiconductor light receiving device | Takatomo ISOMURA | 2022-03-15 |
| 11143827 | Light receiving element unit | Yu ITAZAKI | 2021-10-12 |
| 11145770 | Semiconductor light receiving element | Ken USUI, Takatomo ISOMURA | 2021-10-12 |
| 11145773 | Light receiving element unit | Yu ITAZAKI | 2021-10-12 |
| 5519720 | Semiconductor light emitting device | Ryoichi Hirano, Akira Takemoto, Kimio Shigihara | 1996-05-21 |
| 5357124 | Superluminescent diode with stripe shaped doped region | Kenichi Kajiwara, Satoshi Arimoto | 1994-10-18 |
| 5275968 | Method of producing a semiconductor light emitting device disposed in an insulating substrate | Shogo Takahashi | 1994-01-04 |
| 5228048 | Semiconductor laser device | Akira Takemoto | 1993-07-13 |
| 5194399 | Method of producing a semiconductor light emitting device disposed in an insulating substrate | Shogo Takahashi | 1993-03-16 |
| 5105240 | Light-controlled semiconductor light coupler and modulator | — | 1992-04-14 |
| 5100833 | Method of producing a semiconductor light emitting device disposed in an insulating substrate | Shogo Takahashi | 1992-03-31 |
| 5073895 | Semiconductor Laser | — | 1991-12-17 |
| 5072272 | Semiconductor light modulator with PN layers | — | 1991-12-10 |
| 5003358 | Semiconductor light emitting device disposed in an insulating substrate | Shogo Takahashi | 1991-03-26 |
| 4957879 | Method of making a semiconductor laser using superlattice disordering | Katsuhiko Goto, Shogo Takahashi, Harumi Namba, Akira Takemoto | 1990-09-18 |
| 4937835 | Semiconductor laser device and a method of producing same | — | 1990-06-26 |
| 4929571 | Method of making a buried crescent laser with air gap insulator | Hirofumi Namizaki | 1990-05-29 |
| 4888781 | Semiconductor laser | Katsuhiko Goto, Shogo Takahashi, Harumi Namba, Akira Takemoto | 1989-12-19 |
| 4847217 | Method for making a semiconductor device | Katsuhiko Goto | 1989-07-11 |
| 4847845 | Semiconductor laser with an interposed gap | Hirofumi Namizaki | 1989-07-11 |
| 4788161 | Method of producing an end surface light emission type semiconductor device | Katsuhiko Goto, Shogo Takahashi | 1988-11-29 |