Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294519 | Process for preparing printed-circuit board | Kiici Mori, Tsutomu Maruyama | 1994-03-15 |
| 5102519 | Process for preparing a printed-circuit board | Tsutomu Maruyama, Yutaka Yoshikawa, Kiichi Mori, Atsushi Akiyama | 1992-04-07 |
| 4965073 | Process for preparing the printed-circuit boards using a photosensitive composition containing a reduction type leico pigment | Tsutomu Maruyama, Atsushi Akiyama, Yoshihiro Kiyomura | 1990-10-23 |