Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7274354 | Portable electronic apparatus | Tamotsu Yamamoto, Kenichi Kagami | 2007-09-25 |
| 7158119 | Track ball device and electronic apparatus using the same | Shigeru Yokoji, Tamotsu Yamamoto, Masaki Nakase | 2007-01-02 |
| 6909422 | Track ball device and electronic apparatus using the same | Shigeru Yokoji, Tamotsu Yamamoto, Masaki Nakase | 2005-06-21 |
| 6661391 | Antenna and radio device comprising the same | Masahiro Ohara | 2003-12-09 |
| 6646211 | Switch | Ryoichi Taniuchi, Takeshi Fujii | 2003-11-11 |
| 6634090 | Method of production of series of a tactile contact units and tactile contact unit, and series of tactile contact units and a tactile contact unit produced by using the same method | Hiromichi Koyama | 2003-10-21 |
| 6504269 | Input device and electronic appliance using the same | Akio Miyajima, Tamotsu Yamamoto, Tsutomu Sakuma, Akira Nakanishi | 2003-01-07 |
| 6245397 | Marking method and marked molding | Kazuyuki Watanabe, Hirofumi Kikuda | 2001-06-12 |