Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9759328 | Spherical annular seal member and method of manufacturing the same | Atsushi Yoshida, Eiji Satou, Ryota Koibuchi | 2017-09-12 |
| 9714708 | Cylindrical gasket, method for manufacturing the same, and insertion-type exhaust pipe joint using the cylindrical gasket | Koichi Ishida | 2017-07-25 |
| 9347562 | Cylindrical gasket, method for manufacturing the same, and insertion-type exhaust pipe joint using the cylindrical gasket | Koichi Ishida | 2016-05-24 |