Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6140286 | Defluxing agent cleaning method and cleaning apparatus | Keiji Watanabe, Masayuki Ochiai, Yasuo Yamagishi, Ei Yano, Nobuo Igusa | 2000-10-31 |
| 6050479 | Defluxing agent cleaning method and cleaning apparatus | Keiji Watanabe, Masayuki Ochiai, Yasuo Yamagishi, Ei Yano, Nobuo Igusa | 2000-04-18 |
| 5695571 | Cleaning method using a defluxing agent | Keiji Watanabe, Masayuki Ochiai, Yasuo Yamagishi, Ei Yano, Nobuo Igusa | 1997-12-09 |