Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7542565 | Foldable cellular phone | Fumio Tsutaichi, Shinya Yasuda, Tatsuya Miyagawa, Katsuhiro Nara | 2009-06-02 |
| 7355137 | Waterproof structure of push button switch | Yasuhiko Kawasaki, Shigeru Kato | 2008-04-08 |
| 5021105 | Copper alloy for electronic instruments | Makoto Asai, Yoshimasa Ohyama, Shigeo Shinozaki, Shoji Shiga | 1991-06-04 |
| 4655600 | Alignment method | — | 1987-04-07 |