Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9441514 | Diesel engine | Tamon Tanaka, Koichi Funaki, Hirozumi Kuwabara, Yoshitaka Taira, Tetsuya Kosaka +1 more | 2016-09-13 |
| 9416707 | Diesel engine | Tamon Tanaka, Koichi Funaki, Hirozumi Kuwabara, Yoshitaka Taira, Tetsuya Kosaka +1 more | 2016-08-16 |