Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647967 | Plating method for cylinder | Yasuyuki Murase | 1997-07-15 |
| 5580383 | Surface treatment apparatus and method | Hirohiko Ikegaya, Seishi Watanabe | 1996-12-03 |
| 5552026 | Surface treatment apparatus | Hirihiko Ikegaya, Masayuki Watanabe | 1996-09-03 |