Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6907681 | Resin safety shoe toe cap | Yoshiharu Tanaka, Tomohisa Ishida | 2005-06-21 |
| 6548165 | Reinforcing tape for slide fastener | Yoshimichi Yamakita, Kozo Watanabe, Masanori Hirasawa | 2003-04-15 |
| 6516499 | Linear slide fastener and manufacturing method thereof | Yoshiharu Yamaguchi, Hiromi Aoshima | 2003-02-11 |
| 6383622 | Slider formed of fiber-reinforced thermoplastic resin | Akira Ishibashi, Mamoru Tanaka, Yoshifumi Miyajima | 2002-05-07 |
| 6230373 | Slide fastener made of synthetic resin | Tatsumi Wakai, Yoshiharu Yamaguchi, Toyosaku Ogura, Tsutomu Hamatani | 2001-05-15 |