Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8552981 | Multidirectional input device and electronic apparatus comprising it | Hiroto Inoue, Hiroyasu Okada, Tamotsu Yamamoto, Masaki Sawada | 2013-10-08 |
| 8054293 | Electronic apparatus | Tamotsu Yamamoto | 2011-11-08 |
| 7295187 | Electronic apparatus | Tamotsu Yamamoto | 2007-11-13 |
| 6794982 | Multidirectional input device and electronic apparatus comprising it | Hiroto Inoue, Hiroyasu Okada, Tamotsu Yamamoto, Masaki Sawada | 2004-09-21 |
| 6229103 | Electronic component with built-in push switch driven by rotary and pushing operation of an operating knob | Tamotsu Yamamoto, Shigeru Yokoji, Hiroto Inoue, Hiroshi Matsui, Koji Tamano | 2001-05-08 |
| 5889242 | Multidirectional operating switch and multidirectional operating apparatus using the same | Yukihiro Ishihara, Hiroshi Matsui | 1999-03-30 |
| 5593023 | Rotatively-operated electronic component with push switch | Tamotsu Yamamoto, Shigeru Yokoji, Hiroto Inoue, Hiroshi Matsui | 1997-01-14 |
| 5430262 | Multiple switch arrangement including membrane dome contacts and multi-directional tilt actuator | Hiroshi Matsui, Yukihiro Ishihara | 1995-07-04 |