Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6697070 | Graphic processing system | Koyo Katsura, Shigeru Matsuo, Hiroshi Takeda, Hisashi Kaziwara | 2004-02-24 |
| 6538653 | Graphic processing system for displaying characters and pictures at high speed | Koyo Katsura, Shigeru Matsuo, Hiroshi Takeda, Hisashi Kaziwara | 2003-03-25 |
| 5751930 | Graphic processing system | Koyo Katsura, Shigeru Matsuo, Hiroshi Takeda, Hisashi Kaziwara | 1998-05-12 |
| 5610622 | Display control device | Hiroshi Takeda, Koyo Katsura | 1997-03-11 |
| 5606338 | Display control device | Hiroshi Takeda, Koyo Katsura | 1997-02-25 |
| 4947342 | Graphic processing system for displaying characters and pictures at high speed | Koyo Katsura, Shigeru Matsuo, Hiroshi Takeda, Hisashi Kaziwara | 1990-08-07 |
| 4904990 | Display control device | Hiroshi Takeda, Koyo Katsura | 1990-02-27 |
| 4747074 | Display controller for detecting predetermined drawing command among a plurality of drawing commands | — | 1988-05-24 |
| 4720708 | Display control device | Hiroshi Takeda, Koyo Katsura | 1988-01-19 |
| 4580126 | Method of testing analog/digital converter and structure of analog/digital converter suited for the test | Kazuo Kato, Takeshi Hirayama, Yoshinori Sato | 1986-04-01 |