Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6195867 | Method of producing a spiral wound gasket and a device for producing the same | Hideto Hashiguchi, Keiji Okada, Shoji Kato, Masao Konaka | 2001-03-06 |
| 5992857 | Composite gasket | Takahisa Ueda, Takeshi Miyoshi, Shingo Hoshikawa | 1999-11-30 |
| 5454604 | Vortex gasket for automotive exhaust system | Hideo Yahagi, Shingo Hoshikawa, Takeshi Miyoshi, Keiji Okada | 1995-10-03 |
| 5411274 | Vortex gasket for automative exhaust system | Hideo Yahagi, Shingo Hoshikawa, Takeshi Miyoshi, Keiji Okada | 1995-05-02 |
| 5106790 | Filler materials for spiral gaskets | Akira Hashimoto, Takeshi Miyoshi | 1992-04-21 |