Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7567245 | Information processing device and display brightness control method | — | 2009-07-28 |
| 7456751 | Electronic apparatus and method of cooling the electronic apparatus | Satoru Arai, Koji Ariga, Naoki Tashiro | 2008-11-25 |
| 6927978 | Electronic apparatus and method of cooling the electronic apparatus | Satoru Arai, Koji Ariga, Naoki Tashiro | 2005-08-09 |
| 6831630 | Key input device having Braille input function | — | 2004-12-14 |
| 6792561 | Apparatus and method for controlling access to expansion memory for a computer system | — | 2004-09-14 |
| 6067589 | USB legacy support system | — | 2000-05-23 |
| 5931948 | Portable computer system having password control means for holding one or more passwords such that the passwords are unreadable by direct access from a main processor | Toshikazu Morisawa, Masayo Yamaki, Hiroyuki Tsukada, Tatsuya Kawawa | 1999-08-03 |
| 5613135 | Portable computer having dedicated register group and peripheral controller bus between system bus and peripheral controller | Makoto Sakai, Koichi Dewa, Hiroyuki Tsukada, Keiichi Uehara, Yasuhiro Nishino +1 more | 1997-03-18 |
| 5537544 | Portable computer system having password control means for holding one or more passwords such that the passwords are unreadable by direct access from a main processor | Toshikazu Morisawa, Masayo Yamaki, Hiroyuki Tsukada, Tatsuya Kawawa | 1996-07-16 |