Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6025822 | Driving device, a column electrode driving semiconductor integrated circuit and a row electrode driving semiconductor integrated circuit used for a liquid crystal display device | Takeshi Kuwata, Yutaka Nakagawa, Akira Nakazawa | 2000-02-15 |
| 5953002 | Driving method for a liquid crystal display device | Yoshinori Hirai, Akira Nakazawa, Makoto Nagai, Takeshi Kuwata, Kazuyoshi Kawaguchi | 1999-09-14 |
| 5455534 | Semiconductor device for liquid crystal panel driving power supply | Takeshi Nakashiro | 1995-10-03 |
| 5343221 | Power supply apparatus used for driving liquid-crystal display and capable of producing a plurality of electrode-driving voltages of intermediate levels | Takashi Arakawa | 1994-08-30 |
| 5241506 | Semiconductor memory circuit apparatus | Hideaki Uchida, Yasunori Kuwashima | 1993-08-31 |
| 5221863 | Phase-locked loop clock signal generator | — | 1993-06-22 |
| 5059838 | Signal delay circuit using charge pump circuit | Kenji Matsuo, Akira Nagae, Hideaki Uchida | 1991-10-22 |
| 4912433 | VCO controlled by separate phase locked loop | Hiroki Muroga, Satoshi Suzuki | 1990-03-27 |