Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8814172 | Cylinder head gasket | Masanori Kusano | 2014-08-26 |
| 6705618 | Cylinder head gasket | Eisaburo Goto, Seiji Omura, Tatsuya Kawakita, Hideo Nakamura | 2004-03-16 |
| 6565097 | Cylinder head gasket | — | 2003-05-20 |
| 6328314 | Cylinder head gasket | Eisaburo Goto, Seiji Omura, Tatsuya Kawakita, Hideo Nakamura | 2001-12-11 |
| 5532026 | Method of manufacturing a metal gasket | — | 1996-07-02 |
| 5472217 | Metal gasket | Yoshiyuki Hagiwara, Takeshi Kitamura, Akio Kuramoto, Yukio Kawai, Kenichi Yamaguchi +1 more | 1995-12-05 |
| 5431418 | Metal gasket | Yoshiyuki Hagiwara, Yukio Kawai, Kazuya Nakata, Takeshi Kitamura | 1995-07-11 |
| 5393076 | Metal gasket with base plate having coatings of diverse thicknesses | Yoshiyuki Hagiwara, Takeshi Kitamura, Akio Kuramoto, Yukio Kawai, Kenichi Yamaguchi +1 more | 1995-02-28 |
| 5385354 | Metal gasket | Yoshiyuki Hagiwara, Takeshi Kitamura, Akio Kuramoto, Yukio Kawai, Kenichi Yamaguchi +1 more | 1995-01-31 |
| 5354074 | Metal gasket having first and second diversely vulcanized coatings | — | 1994-10-11 |
| 5332237 | Metal gasket with welded shim | Yoshiyuki Hagiwara, Takeshi Kitamura, Akio Kuramoto, Yukio Kawai, Kenichi Yamaguchi +1 more | 1994-07-26 |
| 4877813 | Bearing resin material | Tatsuhiko Fukuoka | 1989-10-31 |
| 4737539 | Bearing resin material | Tatsuhiko Fukuoka | 1988-04-12 |