Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5915983 | Connection structure | Satoshi Ishikawa, Yasutaka Nagaoka | 1999-06-29 |
| 5762508 | Relay device between relative rotating members | Hiraku Tanaka, Satoshi Ishikawa, Nobuhiko Suzuki, Yasutaka Nagaoka, Hidehiro Ichikawa | 1998-06-09 |
| 5707023 | Apparatus for establishing electrical connection between rotor and fixed member | Hidehiro Ichikawa, Nobuhiko Suzuki | 1998-01-13 |
| 5491381 | Discharge tube | Gijun Idei, Kunio Hoshino | 1996-02-13 |
| 5337035 | Discharge tube | Gijun Idei, Kunio Hoshino | 1994-08-09 |
| 4494831 | Spectacle frame | Kenichi Yaguchi, Masaru Ichikawa | 1985-01-22 |