Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5070000 | Electrodeposition coating composition for use in printed circuit board photo resist | Kenji Seko, Naozumi Iwasawa, Toshio Kondo | 1991-12-03 |
| 4975351 | Positive-type photosensitive electrodeposition coating composition with o-quinone diazide sulfonyl amide polymer | Kenji Seko, Toshio Kondo, Naozumi Iwasawa | 1990-12-04 |
| 4898656 | Electrodeposition coating process of photoresist for printed circuit board | Masahiro Hoshino, Isao Kobayashi, Kenji Seko, Naozumi Iwasawa, Toshio Kondo | 1990-02-06 |