Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7357879 | Etching solution, method of etching and printed wiring board | Shigeki Sawa, Kazuhiko Matsui | 2008-04-15 |
| 6229101 | Substrate for mounting electronic part | Masataka Sekiya, Akihiro Demura, Takuji Asai | 2001-05-08 |
| 6011222 | Substrate for mounting electronic part | Masataka Sekiya, Akihiro Demura, Takuji Asai | 2000-01-04 |
| 4319930 | Method for multi-stage washing | Shunji Yano | 1982-03-16 |