Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6599467 | Process for forging titanium-based material, process for producing engine valve, and engine valve | Toshiya Yamaguchi, Akio Hotta, Yoshinori Shibata, Tadahiko Furuta, Takashi Saito +2 more | 2003-07-29 |
| 5965036 | Microetching composition for copper or copper alloy | Yoshiro Maki, Toshiko Nakagawa, Yasushi Yamada, Maki Arimura | 1999-10-12 |
| 5807493 | Microetching method for copper or copper alloy | Yoshiro Maki, Toshiko Nakagawa, Yasushi Yamada, Maki Arimura | 1998-09-15 |
| 5496590 | Composition for treating copper and copper alloy surfaces and method for the surface treatment | Yoshiro Maki, Toshiko Nakagawa, Yoshiaki Furukawa, Minoru Outani, Maki Yamanami +1 more | 1996-03-05 |
| 5035749 | Process for removing tin and tin-lead alloy from copper substrates | Takaharu Nagano, Takeyoshi Kishimoto, Yasushi Yamada, Tomoko Yuno | 1991-07-30 |