Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9285114 | Burner | Ichiro Tsumagari, Ryo Shibuya, Atsushi Koide | 2016-03-15 |
| 7594536 | EGR cooler | Hiroyuki Sugihara, Yoji Yamashita, Naoto Miwa, Junji Honma | 2009-09-29 |
| 6827754 | Ceramic honeycomb filter | Hirohisa Suwabe, Yasuhiko Otsubo, Shinya Tokumaru, Hiroshi Funabashi, Keiichi Nakagome +1 more | 2004-12-07 |
| 6684938 | EGR cooler | Keiichi Nakagome, Katsuji Inoue, Yoji Yamashita | 2004-02-03 |