Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5133561 | Sealing device | Hisashi Hattori, Teruo Iwata, Hiroshi Sekizuka, Hisao Fujisawa | 1992-07-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5133561 | Sealing device | Hisashi Hattori, Teruo Iwata, Hiroshi Sekizuka, Hisao Fujisawa | 1992-07-28 |