Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8835761 | Sealing structure | Takahiro Hayashi, Keiichi Miyajima | 2014-09-16 |
| 8178794 | Sealing structure | Takahiro Hayashi, Keiichi Miyajima | 2012-05-15 |
| 8003898 | Seal structure | Takahiro Hayashi, Keiichi Miyajima | 2011-08-23 |
| 7017885 | Solenoid valve | Ichiro Hirata, Kazuaki Nagayoshi, Akira Ono, Yoshinari Kasagi | 2006-03-28 |