Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12050271 | TOF camera | Toshimasa Umezawa, Naokatsu Yamamoto, Tetsuya Kawanishi | 2024-07-30 |
| 10608748 | Common mode rejection ratio measurement device for coherent optical receiver, and measurement method | Tetsuya Kawanishi, Atsushi Kanno, Naokatsu Yamamoto | 2020-03-31 |
| 6020850 | Optical control type phased array antenna apparatus equipped with optical signal processor | Yu Ji, Nobuaki Imai, Yoshio Karasawa | 2000-02-01 |
| 5170308 | Method and system of transformer protection and method and system of detecting a defective winding | Yoshihiro Sano, Yoshiaki Matsui, Takafumi Maeda | 1992-12-08 |
| 4772978 | Transformer protection system | Yoshifumi Oura, Kunio Matsuzawa, Kazuyoshi Yoshida, Hiroyuki Kudo, Yoshihiro Sano | 1988-09-20 |