Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938948 | Silver and silver alloy plating bath | Tetsuji Nishikawa, Takao Takeuchi, Keigo Obata, Hidemi Nawafune | 2011-05-10 |
| 7630387 | Gateway apparatus and method of protection switching thereof | — | 2009-12-08 |
| 7628903 | Silver and silver alloy plating bath | Tetsuji Nishikawa, Takao Takeuchi, Keigo Obata, Hidemi Nawafune | 2009-12-08 |
| 7177179 | Magnetic memory, and its operating method | Sadahiko Miura, Tadahiko Sugibayashi, Hideaki Numata | 2007-02-13 |
| 6939722 | Method of forming magnetic memory | Takeshi Okazawa | 2005-09-06 |
| 6746875 | Magnetic memory and method of its manufacture | Takeshi Okazawa, Kuniko Kikuta | 2004-06-08 |
| 6614760 | ATM transmission equipment | Muneyuki Suzuki, Yutaka Seki, Hidetaka Yoshikawa, Atsushi Nakagawa | 2003-09-02 |
| 6607653 | Plating bath and process for depositing alloy containing tin and copper | Keigo Obata, Takao Takeuchi, Hidemi Nawafune, Tetsuji Nishikawa | 2003-08-19 |
| 6184778 | Communication network system and rebuilding method thereof | — | 2001-02-06 |
| 5074968 | Method and apparatus for stripping starting sheet | Tsuneo Maruyama, Hiroji Akii, Yutaka Kataoka | 1991-12-24 |
| 4804410 | Palladium-base electroless plating solution | Masaki Haga, Hidemi Nawafune, Shozo Mizumoto, Ei Uchida | 1989-02-14 |