Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10527937 | Liquid solder resist composition and covered-printed wiring board | Yoshio Sakai, Nobuhito Hamada, Tokuzan Miyake | 2020-01-07 |
| 10317796 | Solder resist composition and covered printed wiring board | Yoshio Sakai, Nobuhito Hamada, Tokuzan Miyake | 2019-06-11 |
| 10234758 | Liquid solder resist composition and covered-printed wiring board | Yoshio Sakai, Nobuhito Hamada, Tokuzan Miyake | 2019-03-19 |
| 10151976 | Solder resist composition, and covered-printed wiring board | Yoshio Sakai | 2018-12-11 |
| 9835944 | Liquid solder resist composition and covered-printed wiring board | Yoshio Sakai, Nobuhito Hamada, Tokuzan Miyake | 2017-12-05 |
| 9458284 | Carboxyl-containing resin, resin composition for solder mask, and method of preparing carboxyl-containing resin | Hisashi Marusawa, Fumito Suzuki, Yoshio Sakai | 2016-10-04 |
| 9128375 | Resin composition for masks | Fumito Suzuki, Yoshio Sakai, Hisashi Marusawa | 2015-09-08 |
| 8148047 | Carboxyl resin, hardening composition containing carboxyl resin, and hardened material thereof | Koichi Ikegami, Noboru Kohiyama, Teppei Nishikawa, Nobuhito Hamada, Hiroko Daido +2 more | 2012-04-03 |