Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794031 | Cover-lay film and printed circuit board having the same | Tooru Murakami, Toyofumi Asano | 2004-09-21 |
| 6723801 | Polyphenol resin, process for its production, epoxy resin composition and its use | Yasumasa Akatsuka, Toyofumi Asano, Katsuhiko Oshimi, Syouichi Tomida | 2004-04-20 |