Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5965036 | Microetching composition for copper or copper alloy | Toshiko Nakagawa, Yasushi Yamada, Takashi Haruta, Maki Arimura | 1999-10-12 |
| 5807493 | Microetching method for copper or copper alloy | Toshiko Nakagawa, Yasushi Yamada, Takashi Haruta, Maki Arimura | 1998-09-15 |
| 5496590 | Composition for treating copper and copper alloy surfaces and method for the surface treatment | Toshiko Nakagawa, Yoshiaki Furukawa, Minoru Outani, Takashi Haruta, Maki Yamanami +1 more | 1996-03-05 |
| 5476947 | Benzimidazole derivative and composition for treating copper and copper alloy surfaces comprising the same | Yoshiaki Furukawa, Maki Yamanami | 1995-12-19 |
| 5439783 | Composition for treating copper or copper alloys | Daisaku Akiyama | 1995-08-08 |
| 5435860 | Benzimidazole derivative and composition for treating copper and copper alloy surfaces comprising the same | Yoshiaki Furukawa, Maki Yamanami | 1995-07-25 |