Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6230373 | Slide fastener made of synthetic resin | Tatsumi Wakai, Yoshiharu Yamaguchi, Mutsuo Hirota, Tsutomu Hamatani | 2001-05-15 |
| 5755014 | Separable bottom stop assembly for slide fastener | Yoshiharu Yamaguchi | 1998-05-26 |
| 5653002 | Slide fastener | Kiyomitsu Ishihara, Yoshiharu Yamaguchi, Osamu Maeda, Takeshi Inaba | 1997-08-05 |
| 4863551 | Marking apparatus | — | 1989-09-05 |
| 4855592 | Apparatus using optical fibers for inspecting slide fastener elements | — | 1989-08-08 |
| 4586220 | Separable slide fastener | Seiji Nishino | 1986-05-06 |