Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8348639 | Sealing device | Masatoshi Okada, Iwao Taira, Yosuke Kondo, Kazuki Takeno, Ichiro Yamane | 2013-01-08 |
| 6962343 | Seal ring | — | 2005-11-08 |
| 6938901 | Combustion gas seal for injector and sealing structure with the combustion gas seal | Tomihisa Tsuchiya, Kyosuke Ohashi, Kenji Ohkubo, Masahiro Kawabata, Junichi Nakayama | 2005-09-06 |