Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7378228 | Positive type photosensitive epoxy resin composition and printed circuit board using the same | Yasuharu Nojima | 2008-05-27 |
| 7097958 | Positive type photosensitive epoxy resin composition and printed circuit board using the same | Yasuharu Nojima | 2006-08-29 |
| 4880892 | Composition comprising an epoxy resin, a phenol and an advancement catalyst | Wataru Urano | 1989-11-14 |