Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4927266 | Optical signal generating apparatus and optical power meter calibrating system using the same | Yutaka Nishida, Kaoru Ito, Toshiyuki Ozaki | 1990-05-22 |
| 4223264 | Radio wave power measuring apparatus | Kyohei Yamamura, Takemi Inoue, Toshio Nemoto, Hidetoshi Miyao, Yukihiro Tsumura +1 more | 1980-09-16 |