Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5021844 | Semiconductor device | Takao Sakayori | 1991-06-04 |
| 4215358 | Mesa type semiconductor device | Kazuhisa Takahashi, Saburo Takamiya, Shigeru Mitsui | 1980-07-29 |
| 4212019 | Avalanche photodiode | Kazuhisa Takahashi, Saburo Takamiya, Shigeru Mitsui | 1980-07-08 |