Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8256772 | Lip type seal | Masatoshi Itadani, Hideki Kawai, Hideki Tomoto | 2012-09-04 |
| D631066 | Seal for a rotary shaft | Masatoshi Itadani, Hideki Kawai, Hideki Tomoto | 2011-01-18 |