Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5223824 | Display apparatus with variable scan line selection | Makoto Takeda | 1993-06-29 |
| 5089792 | Phase locked loop with phase difference signal adjustment circuit | Katsuya Mizukata, Makoto Takeda, Takafumi Kawaguchi | 1992-02-18 |
| 4930874 | Liquid crystal display device | Toshifumi Mitsumune, Kiyoshi Nakazawa | 1990-06-05 |
| 4917468 | Drive circuit for use in single-sided or opposite-sided type liquid crystal display unit | Nobuaki Matsuhashi, Makoto Takeda | 1990-04-17 |
| 4906984 | Liquid crystal matrix display device with polarity inversion of signal and counter electrode voltages to maintain uniform display contrast | Makoto Takeda, Nobuaki Matsuhashi | 1990-03-06 |
| 4845473 | Method of driving a liquid crystal matrix display panel | Nobuaki Matsuhashi, Makoto Takeda, Kunihiko Yamamoto | 1989-07-04 |
| 4830466 | Drive system for an active matrix liquid crystal display panel having divided row electrodes | Nobuaki Matsuhashi, Makoto Takeda | 1989-05-16 |
| 4825203 | Drive circuit for color liquid crystal display device | Makoto Takeda, Kunihiko Yamamoto, Nobuaki Matsuhashi | 1989-04-25 |
| 4801933 | Liquid crystal matrix device having separate driving circuits with diverse driving voltages | Kunihiko Yamamoto, Yutaka Ishii | 1989-01-31 |
| 4799057 | Circuit for driving a matrix display device with a plurality of isolated driving blocks | Makoto Takeda, Kunihiko Yamamoto, Nobuaki Matsuhashi | 1989-01-17 |
| 4706173 | Lighting apparatus | Hiroshi Hamada, Kiyoshi Nakazawa, Naofumi Kimura, Fumiaki Funada | 1987-11-10 |
| 4694349 | Liquid crystal matrix display panel driver circuit | Makoto Takeda, Kunihiko Yamamoto, Nobuaki Matsubayashi | 1987-09-15 |
| 4651149 | Liquid crystal display drive with reduced power consumption | Makoto Takeda, Kunihiko Yamamoto | 1987-03-17 |
| 4651148 | Liquid crystal display driving with switching transistors | Makoto Takeda, Kunihiko Yamamoto, Nobuaki Matsuhashi, Naofumi Kimura, Hiroshi Hamada | 1987-03-17 |
| 4535329 | Constant current/constant voltage drive for an electrochromic display cell | Katubumi Koyanagi, Hisashi Uede | 1985-08-13 |
| 4505021 | Method for manufacturing an electrochromic display device | Hiroshi Hamada, Kozo Yano, Yasuhiko Inami | 1985-03-19 |
| 4420749 | Charge transfer type electrochromic display devices | Katubumi Koyanagi, Hiroshi Hamada, Kohzo Yano, Yasuhiko Inami | 1983-12-13 |
| 4399436 | Electrochromic display devices | Hiroshi Hamada, Kohzo Yano, Katubumi Koyanagi, Yasuhiko Inami | 1983-08-16 |
| 4364040 | Electrochromic display driver with faculties of stabilizing coloration contrast and insuring uniform bleaching condition | Katubumi Koyanagi, Hisashi Uede | 1982-12-14 |
| 4247855 | Segmented bargraph display by an electrochromic display device | Hisashi Uede, Katubumi Koyanagi, Yasuhiko Inami | 1981-01-27 |
| 4229080 | Additional electrode of electrochromic display and refreshing method for the same | Katubumi Koyanagi, Hisashi Uede | 1980-10-21 |
| 4210909 | Complete bleaching of non-selected display electrodes in an electrochromic display drive | Hiroshi Hamada, Yasuhiko Inami, Hisashi Uede | 1980-07-01 |
| 4210907 | Uniform coloration control in an electrochromic display of the segmented type | Hiroshi Hamada, Yasuhiko Inami, Hisashi Uede | 1980-07-01 |
| 4209770 | Driving technique for electrochromic displays of the segmented type driving uncommon segment electrodes only | Hiroshi Hamada, Yasuhiko Inami, Sadatoshi Takechi, Hisashi Uede | 1980-06-24 |
| 4201984 | Current controlled drive system for electrochromic displays of the segmented type | Yasuhiko Inami, Sadatoshi Takechi, Tadanori Hishida, Hisashi Uede | 1980-05-06 |