Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10704664 | Differential gear device | — | 2020-07-07 |
| 8091873 | Coned disc spring | Takayuki Ishikawa, Akihiko Kita, Shigeo Tsuzuki, Hiroyuki Nozaki, Hironobu Imaizumi | 2012-01-10 |
| 7438168 | Cushion plate | Akihiko Kita, Shigeo Tsuzuki, Hiroyuki Nozaki, Takayuki Ishikawa, Hironobu Imaizumi | 2008-10-21 |
| 6319162 | Sliding key and continuously variable transmission | Tamaki Mizutani, Masahiko Mizutani, Masashi Watanabe | 2001-11-20 |
| 6183137 | Bearing structure | Akira Kojima, Nobutaka Hiramatsu, Mitsuru Sugita, Akira Ono, Takayuki Shibayama | 2001-02-06 |