Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5489009 | Vibration damping device | Satoru Kawamata, Isao Watanabe | 1996-02-06 |
| 5477946 | Vibration damping devices | Satoru Kawamata, Isao Watanabe | 1995-12-26 |
| 5366048 | Vibration damping device | Isao Watanabe, Makoto Nakao, Masatoshi Ohishi | 1994-11-22 |
| 5144945 | Portable oxygen-enriching air inhaler | Seigou Nishino, Masato Kawai, Seiichi Ito, Nobuyoshi Itoh | 1992-09-08 |
| D320756 | Tire pressure gauge | Shuji Kobayashi | 1991-10-15 |
| 4998092 | Tire valve | Makoto Nakao, KAZUO TAKENAKA, Kazuki Iinuma | 1991-03-05 |
| 4800980 | Body cover and trunk structure for a motor scooter | Ochiai Hideo, Eiichi Iwao, Hideo Mori | 1989-01-31 |
| 4726439 | Trunk structure in scooter-type vehicles | Eiichi Iwao, Hiroshi Shimoyama | 1988-02-23 |
| 4713686 | High speed instantaneous multi-image recorder | Haruhiko Ozaki, Tadatoshi Yamada, Kunio Machida, Hirato Shimazaki, Hidekimi Inoue +1 more | 1987-12-15 |