Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286095 | Hybrid system | Kazuaki Koyama, Ryota Kimura, Yasuo Fujii, Tamotsu Kuno | 2025-04-29 |
| 10619546 | Exhaust treatment device for diesel engine | Katsushi Inoue, Masanori Fujiwara, Tamotsu Kuno, Kentaro KITA, Yuki Yoshita | 2020-04-14 |
| 9441514 | Diesel engine | Tamon Tanaka, Hirozumi Kuwabara, Soichiro Watanabe, Yoshitaka Taira, Tetsuya Kosaka +1 more | 2016-09-13 |
| 9416707 | Diesel engine | Tamon Tanaka, Hirozumi Kuwabara, Soichiro Watanabe, Yoshitaka Taira, Tetsuya Kosaka +1 more | 2016-08-16 |
| RE41344 | Swirl chamber used in association with a combustion chamber for diesel engines | Seishiro Kubo | 2010-05-25 |
| 6899076 | Swirl chamber used in association with a combustion chamber for diesel engines | Seishiro Kubo | 2005-05-31 |