Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7989027 | Metal gasket material plate and method for manufacturing the same | Tomokazu Nakanishi, Shingo Watanabe, Yoshiharu Takada, Ichiro Goto, Shinsuke Mochizuki +2 more | 2011-08-02 |
| 7703775 | Metal gasket for cylinder head | Yoshitaka Matsushita, Shigeru Kobayashi, Shinichi Hirayama, Naoki Takeda | 2010-04-27 |
| 5130203 | Metal gasket and method of producing the same | Hiroyuki Nakano, Kazuaki Shiotani, Yoshiharu Takada | 1992-07-14 |
| 5032430 | Method of producing a metal gasket | Sadao Watanabe, Norio Hamba | 1991-07-16 |
| 4968045 | Metal gasket | Sadao Watanabe, Norio Hamba | 1990-11-06 |
| 4765634 | Metal gasket for a cylinder head on an internal combustion engine | Masaaki Kobayashi, Norio Hanba, Akira Tanaka | 1988-08-23 |