Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9587985 | Optical transmission device, light guide plug, optical fiber plug, light reception device, and portable apparatus | Takehisa Ishihara | 2017-03-07 |
| 7148589 | Method and apparatus for controlling internal heat generating circuit | Ryoji Ninomiya, Makoto Sakai | 2006-12-12 |
| 6701273 | Method and apparatus for controlling internal heat generating circuitry | Ryoji Ninomiya, Makoto Sakai | 2004-03-02 |
| 6463396 | Apparatus for controlling internal heat generating circuit | — | 2002-10-08 |
| 6297794 | Method of switching video sources and computer system employing this method | Takumi Tsubouchi, Makoto Sakai, Toru Honma | 2001-10-02 |
| 5930110 | Computer system having detachable expansion unit | Ryoji Ninomiya, Makoto Sakai | 1999-07-27 |
| 5901292 | Computer system having expansion unit | Nobutaka Nakamura | 1999-05-04 |
| 5680625 | Computer system for avoiding coincidence of port address on a bus during expansion | Shigeru Sekine, Kazunori Yamaki | 1997-10-21 |
| 5664118 | Computer system having detachable expansion unit | Ryoji Ninomiya, Makoto Sakai | 1997-09-02 |
| 5440748 | Computer system capable of connecting expansion unit | Shigeru Sekine, Kazunori Yamaki | 1995-08-08 |
| 5428798 | Computer system capable of connecting expansion unit | Shigeru Sekine, Kazunori Yamaki | 1995-06-27 |
| 5377357 | Connection state confirmation system and method for expansion unit | Koji Nakamura, Mayumi Maeda | 1994-12-27 |
| 5341316 | Personal computer system allowing selective use of built-in and external keyboards by means of selector | — | 1994-08-23 |