Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7422538 | Automatic speed changer | Kazumichi Kayama, Nobutada Sugiura, Takeo Arai, Tomochika Inagaki | 2008-09-09 |
| 7367915 | Automatic speed changer | Kazumichi Kayama, Nobutada Sugiura, Kazuhisa Ozaki, Tomochika Inagaki | 2008-05-06 |
| 7226380 | Automatic speed changer | Kazumichi Kayama, Nobutada Sugiura, Tatsuya Sugimoto, Tomochika Inagaki | 2007-06-05 |