Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11542701 | Booth | Shu Watanabe, Akihide Kawamura, Kunichi Yamashita, Yoshihiro SHIBANAI | 2023-01-03 |
| 10975564 | Booth and kit thereof | Shu Watanabe, Akihide Kawamura, Kunichi Yamashita, Yoshihiro SHIBANAI | 2021-04-13 |
| 5035919 | Repairing material of a brick and a method of repairing a brick | Takao Sugino, Toshio Kawamura, Masamichi Asai, Hiroshi Yamada, Kenichi Mukoyama +1 more | 1991-07-30 |
| 4970180 | Repairing material of a brick | Takao Sugino, Toshio Kawamura, Masamichi Asai, Hiroshi Yamada, Kenichi Mukoyama +1 more | 1990-11-13 |