Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9130331 | Rotating connector | Hideki Adachi, Tomoyoshi Kikkawa, Hiraku Tanaka | 2015-09-08 |
| 7168955 | Connection structure of connector | Tsutomu Sawada | 2007-01-30 |
| 6004149 | Clock spring | Satoshi Ishikawa, Hiraku Tanaka | 1999-12-21 |
| 5735480 | Relay apparatus for relative rotating members | Kazuya Arai, Hiroyuki Okamoto, Takeshi Sakakibara, Satoshi Ishikawa, Hiraku Tanaka +1 more | 1998-04-07 |
| 5561266 | Cable connector | Hiroyuki Okamoto, Hiromi Masuda, Kouji Koike, Tetsurou Muramatsu | 1996-10-01 |
| 5167539 | Noise suppressing connector | Hiroyuki Okamoto, Kunio Hoshino, Masami Katayama | 1992-12-01 |
| 5145413 | Noise suppressing connector | Hiroyuki Okamoto, Kunio Hoshino, Sayoko Kitahara | 1992-09-08 |