Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666062 | Voltage measuring using electro-optic material's change in refractive index | Hironori Takahashi, Kazuhiko Wakamori, Musubu Koishi | 1997-09-09 |
| 5631555 | Voltage measurement system | Hironori Takahashi, Musubu Koishi | 1997-05-20 |
| 5614708 | Optical feedback photodetection apparatus | Musubu Koishi, Kouichi Shirakawa | 1997-03-25 |
| 5591962 | Synchronous signal detection apparatus with a photoconductive photodetector | Musubu Koishi, Mitsunori Nishizawa | 1997-01-07 |