Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7976028 | Non-asbestos gasket | Takeshi Miyoshi, Hiroki Hayashi, Masao Konaka, Yoshinari Kobuchi | 2011-07-12 |
| 4844479 | Structure of a gland packing box | Takahisa Ueda, Takashi Ikeda | 1989-07-04 |