Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12218371 | Battery housing apparatus and electric vehicle | Mikio Kashiwai, Masahiko Yamagishi, Katsunori Okubo | 2025-02-04 |
| 11851130 | Vehicle | Mikio Kashiwai, Yotaro Mori, Yuichi Yokoyama, Tomohiro Tsukamoto, Nobuo Kambara | 2023-12-26 |
| 7146962 | Portable engine operated machine | Yasuhiro Sugimoto, Kazuhito Takemura, Takao Kobayashi | 2006-12-12 |
| D530650 | Electric wheelchair | Koichi Azuma | 2006-10-24 |
| D525569 | Handle for an electric wheelchairs | Koichi Azuma | 2006-07-25 |
| 6849961 | Engine generator | Toshiaki Takizawa | 2005-02-01 |
| D478311 | Engine generator | Toshiaki Takizawa | 2003-08-12 |
| D478042 | Engine generator | Toshiaki Takizawa | 2003-08-05 |
| D423987 | Automobile | Shuhei Imai | 2000-05-02 |
| D417675 | Internal combustion engine starter casing | Taro Kihara, Shigeaki Kuwabara | 1999-12-14 |
| D353146 | Riding mower | Hirohide Shimizu, Kazuo Shimizu | 1994-12-06 |
| D312465 | Tractor | Toshihiko Shibuya | 1990-11-27 |
| 4721070 | Portable engine-operated working machine | Yoshio Tanaka | 1988-01-26 |
| D291432 | Power generator | — | 1987-08-18 |
| 4595841 | Full-covered portable generator | — | 1986-06-17 |
| D281492 | Engine generator | — | 1985-11-26 |
| D276515 | Power generator | — | 1984-11-27 |