Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6272940 | Starting device for electric starter motor | Shuhei Tsunoda | 2001-08-14 |
| 5715783 | Recoil starter | Keizo Shimizu, Seiichi Nieda | 1998-02-10 |
| 5676103 | Recoil starter | Shuhei Tsunoda, Keizo Shimizu | 1997-10-14 |
| 5636606 | Casing for a recoil starter | Shuhei Tsunoda, Keizo Shimizu | 1997-06-10 |
| 5193278 | Rotary cutter | Minoru Shibasaki, Toshimichi Kaneniwa, Nobuyuki Sekikawa | 1993-03-16 |
| 4738085 | Rotary cutter for mowers | Tadashi Nishio, Keizo Shimizu, Akihiro Sonoda | 1988-04-19 |
| 4637360 | Recoil starter | — | 1987-01-20 |