Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876177 | Process for producing printed circuit board | Haruo Akahoshi, Kanji Murakami, Mineo Kawamoto, Akio Tadokoro | 1989-10-24 |
| 4865888 | Process for electroless copper plating and apparatus used therefor | Haruo Akahoshi, Kanji Murakami, Mineo Kawamoto, Akio Takokoro, Ritsuji Toba | 1989-09-12 |