Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5529227 | Sliding gate plate | Toshiyuki Yoshikawa, Etsuhiro Hasebe, Keizo Hoshi, Masahiko Uchita, Shouji Ando +2 more | 1996-06-25 |
| 5035919 | Repairing material of a brick and a method of repairing a brick | Takao Sugino, Toshio Kawamura, Masamichi Asai, Hiroshi Yamada, Akira Takahashi +1 more | 1991-07-30 |
| 4970180 | Repairing material of a brick | Takao Sugino, Toshio Kawamura, Masamichi Asai, Hiroshi Yamada, Akira Takahashi +1 more | 1990-11-13 |