Issued Patents All Time
Showing 1–25 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6127993 | Method and apparatus for driving display device | Toshihiro Ohba, Atsushi Sakamoto, Yoshiyuki Kokuhata, Hiroshi Kishishita | 2000-10-03 |
| 5325107 | Method and apparatus for driving a display device | Ikuo Ogawa, Akio Inohara, Toshihiro Ohba, Hiroshi Kishishita | 1994-06-28 |
| 5311169 | Method and apparatus for driving capacitive display device | Shuji Inada, Ikuo Ogawa, Toshihiro Ohba, Hiroshi Kishishita | 1994-05-10 |
| 5309150 | Method and apparatus for driving display apparatus | Toshihiro Ohba, Atsushi Sakamoto, Yoshiyuki Kokuhata, Hiroshi Kishishita | 1994-05-03 |
| 5233340 | Method of driving a display device | Hisashi Yamaguchi, Atsushi Sakamoto, Kazuo Shoji, Kioichi Yamamoto, Toshihiro Ohba | 1993-08-03 |
| 5137205 | Symmetrical circuit arrangement for a X-Y matrix electrode | Akio Inohara, Yuji Ohno, Kiyoshi Sawae, Yoshiharu Kanatani, Takeo Fujimoto | 1992-08-11 |
| D322603 | Electroluminescent display | Hiroshi Kishishita, Akio Inohara, Kyouichi Yamamoto, Ikuo Ogawa | 1991-12-24 |
| 5006838 | Thin film EL display panel drive circuit | Yosihide Fujioka, Toshihiro Ohba, Yoshiharu Kanatani | 1991-04-09 |
| 4999618 | Driving method of thin film EL display unit and driving circuit thereof | Shuji Inada, Toshihiro Ohba, Hiroshi Kishishita | 1991-03-12 |
| 4983885 | Thin film EL display panel drive circuit | Yoshihide Fujioka, Shigeyuki Harada, Toshihiro Ohba, Yoshiharu Kanatani | 1991-01-08 |
| 4962374 | Thin film el display panel drive circuit | Yosihide Fujioka, Yoshiharu Kanatani, Toshihiro Ohba | 1990-10-09 |
| 4951041 | Driving method for thin film el display device and driving circuit thereof | Shuji Inada, Toshihiro Ohba, Hiroshi Kishishita | 1990-08-21 |
| 4949019 | Method of driving thin film EL panel for aging | Kinichi Isaka, Hiroyuki Shimoyama, Toshihiro Ohba, Hiroshi Kishishita | 1990-08-14 |
| 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, Yoshiharu Kanatani | 1990-04-03 |
| 4893060 | Drive circuit for a thin-film electroluminescent display panel | Toshihiro Ohba, Yoshiharu Kanatani | 1990-01-09 |
| 4880661 | Method of manufacturing a thin-film electroluminescent display element | Yoshihiro Endo, Masashi Kawaguchi, Hiroshi Kishishita | 1989-11-14 |
| 4866348 | Drive system for a thin-film el panel | Shigeyuki Harada, Toshihiro Ohba, Yoshiharu Kanatani | 1989-09-12 |
| 4818913 | Aging method for thin-film electroluminescent display panel | Kinishi Isaka, Masashi Kawaguchi | 1989-04-04 |
| 4814237 | Thin-film electroluminescent element | Noriaki Nakamura, Kinichi Isaka, Masashi Kawaguchi, Hiroshi Kishishita | 1989-03-21 |
| 4801920 | EL panel drive system | Toshihiro Ohba, Hiroshi Kinoshita, Yoshiharu Kanatani | 1989-01-31 |
| 4731958 | Substrate for thin film electroluminescent display panel | Hiroshi Kishishita, Etsuo Mizukami, Yoshihiro Endo, Takaaki Horita | 1988-03-22 |
| 4686426 | Thin-film EL display panel drive circuit with voltage compensation | Yoshihide Fujioka, Shigeyuki Harada, Toshihiro Ohba, Yoshiharu Kanatani | 1987-08-11 |
| 4686110 | Method for preparing a thin-film electroluminescent display panel comprising a thin metal oxide layer and thick dielectric layer | Yoshihiro Endo, Etsuo Mizukami, Hiroshi Kishishita | 1987-08-11 |
| 4594589 | Method and circuit for driving electroluminescent display panels with a stepwise driving voltage | Toshihiro Ohba, Hiroshi Kinoshita, Yoshiharu Kanatani | 1986-06-10 |