Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685728 | Rotary connector device | Tsuyoshi Matsumoto, Takashi Sakamaki | 1997-11-11 |
| 5674082 | Rotary connector device | Kazumi Honjo, Hiroshi Ohishi, Fujio Kitayama | 1997-10-07 |
| 5651686 | Rotary connector device | Ryoji Ebina, Takashi Sakamaki | 1997-07-29 |
| 5645441 | Rotary connector device | Tsuyoshi Matsumoto, Takashi Sakamaki | 1997-07-08 |