Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681485 | Method of producing multilayer circuit boards | Shinji Seo, Akio Kashihara | 1997-10-28 |
| 5389497 | Method for forming patterned solder mask | Mitsuo Yoshioka, Akio Kashihara, Kiyomi Sakurai | 1995-02-14 |
| 5368884 | Method of forming solder mask | Akio Kashihara, Mamoru Seio, Hisaki Tanabe | 1994-11-29 |