Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801035 | Protection cover | Masaaki Sugiyama, Mitsugu Watanabe, Hideharu Hayashi, Masaki Yamamoto | 1989-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801035 | Protection cover | Masaaki Sugiyama, Mitsugu Watanabe, Hideharu Hayashi, Masaki Yamamoto | 1989-01-31 |