Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667857 | Toe puff for safety shoe | Shoichi Watanabe, Hirokazu Inoguchi, Yoshihiro Kanzaka, Yoshiharu Tanaka, Hideji Ikehara +3 more | 1997-09-16 |
| 5560985 | Molding sheet material and toe puff for safety shoe | Shoichi Watanabe, Hirokazu Inoguchi, Yoshihiro Kanzaka, Yoshiharu Tanaka, Hideji Ikehara +3 more | 1996-10-01 |