Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7593072 | Display device | Yukio Shimamura | 2009-09-22 |
| 5583531 | Method of driving a display apparatus | Hisao Okada, Takeshi Takarada, Tadatsugu Nisitani, Toshihiro Yanagi, Hirofumi Fukuoka +1 more | 1996-12-10 |
| 5414443 | Drive device for driving a matrix-type LCD apparatus | Hirofumi Fukuoka, Shigeyuki Uehira | 1995-05-09 |
| 5412397 | Driving circuit for a matrix type display device | Hirofumi Fukuoka, Yoshihiko Orii | 1995-05-02 |
| 5137205 | Symmetrical circuit arrangement for a X-Y matrix electrode | Akio Inohara, Yuji Ohno, Kiyoshi Sawae, Hisashi Uede, Takeo Fujimoto | 1992-08-11 |
| 5111195 | Driving circuit for a matrix type display device | Hirofumi Fukuoka | 1992-05-05 |
| 5006838 | Thin film EL display panel drive circuit | Yosihide Fujioka, Toshihiro Ohba, Hisashi Uede | 1991-04-09 |
| 4983885 | Thin film EL display panel drive circuit | Yoshihide Fujioka, Shigeyuki Harada, Toshihiro Ohba, Hisashi Uede | 1991-01-08 |
| 4962374 | Thin film el display panel drive circuit | Yosihide Fujioka, Toshihiro Ohba, Hisashi Uede | 1990-10-09 |
| 4935671 | Thin-film EL display panel drive | Shigeyuki Harada, Kinichi Isaka, Toshihiro Ohba, Masashi Kawaguchi, Hiroshi Kishishita +1 more | 1990-06-19 |
| 4914353 | Thin-film EL display panel drive circuit | Shigeyuki Harada, Toshihiro Ohba, Hisashi Uede | 1990-04-03 |
| 4893060 | Drive circuit for a thin-film electroluminescent display panel | Toshihiro Ohba, Hisashi Uede | 1990-01-09 |
| 4866348 | Drive system for a thin-film el panel | Shigeyuki Harada, Toshihiro Ohba, Hisashi Uede | 1989-09-12 |
| 4801920 | EL panel drive system | Toshihiro Ohba, Hiroshi Kinoshita, Hisashi Uede | 1989-01-31 |
| 4686426 | Thin-film EL display panel drive circuit with voltage compensation | Yoshihide Fujioka, Shigeyuki Harada, Toshihiro Ohba, Hisashi Uede | 1987-08-11 |
| 4594589 | Method and circuit for driving electroluminescent display panels with a stepwise driving voltage | Toshihiro Ohba, Hiroshi Kinoshita, Hisashi Uede | 1986-06-10 |
| 4488150 | Drive circuit for video display panel | — | 1984-12-11 |
| 4485379 | Circuit and method for driving a thin-film EL panel | Hiroshi Kinoshita, Toshihiro Ohba, Masashi Kawaguchi, Hisashi Uede | 1984-11-27 |
| 4479120 | Method and apparatus for driving a thin-film EL panel | Toshihiro Ohba, Masashi Kawaguchi, Hiroshi Kinoshita, Hisashi Uede | 1984-10-23 |
| 4468659 | Electroluminescent display panel assembly | Toshihiro Ohba, Hiroshi Kinoshita, Morihisa Sogabe, Yoshihide Fujioka | 1984-08-28 |
| 4366504 | Thin-film EL image display panel | — | 1982-12-28 |
| 4338598 | Thin-film EL image display panel with power saving features | Toshihiro Ohba, Shuhei Yasuda | 1982-07-06 |
| 4237456 | Drive system for a thin-film EL display panel | — | 1980-12-02 |
| 4213074 | Thin-film electroluminescent display panel sealed by glass substrates and the fabrication method thereof | Masashi Kawaguchi, Hiroshi Kishishita, Etsuo Mizukami | 1980-07-15 |