Issued Patents All Time
Showing 51–56 of 56 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 |
| 5156430 | Coupling device | — | 1992-10-20 |
| 4908913 | Safety hook | — | 1990-03-20 |
| 4553179 | Automatic recording bias current setting apparatus | Mamoru Inami, Zenju Ohtsuki, Yoshiaki Tanaka, Akio Hasegawa | 1985-11-12 |
| 4543620 | Code generating apparatus | — | 1985-09-24 |