Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631670 | Information display device capable of increasing detection speed and detection accuracy of input coordinates on display screen by detecting movement amount of electronic pen | Akira Tomiyoshi, Makoto Takeda | 1997-05-20 |
| 5614922 | Display apparatus | Akira Tomiyoshi, Makoto Takeda | 1997-03-25 |
| 5602561 | Column electrode driving circuit for a display apparatus | Shiro Takeda, Hiroshi Take, Junji Kawanishi | 1997-02-11 |
| 5598177 | Driving apparatus and method for an active matrix type liquid crystal display apparatus | Katsuya Mizukata, Shiro Takeda, Makoto Takeda | 1997-01-28 |