Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643056 | Revolving drum polishing apparatus | Masayoshi Hirose, Seiji Ishikawa, Norio Kimura, Yoshimi Sasaki, Kouki Yamada +2 more | 1997-07-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643056 | Revolving drum polishing apparatus | Masayoshi Hirose, Seiji Ishikawa, Norio Kimura, Yoshimi Sasaki, Kouki Yamada +2 more | 1997-07-01 |