Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6741227 | Color image display apparatus and method | Kazutaka Naka, Michitaka Ohsawa, Hiroshi Ohtaka | 2004-05-25 |
| 6633268 | AC-type plasma display apparatus | Keizo Suzuki, Hiroshi Kajiyama | 2003-10-14 |
| 6518977 | Color image display apparatus and method | Kazutaka Naka, Michitaka Ohsawa, Hiroshi Ohtaka | 2003-02-11 |
| 6504310 | Display apparatus | Kazutaka Naka, Michitaka Ohsawa, Hiroshi Ohtaka | 2003-01-07 |
| 6407506 | Display apparatus, display method and control-drive circuit for display apparatus | Kazutaka Naka, Michitaka Ohsawa, Hiroshi Ohtaka | 2002-06-18 |
| 6333766 | Tone display method and apparatus for displaying image signal | Masaji Ishigaki, Shigeo Mikoshiba, Takahiro Yamaguchi, Kohsaku Toda | 2001-12-25 |
| 6208467 | Display apparatus for displaying an image having gradation | Kazutaka Naka, Michitaka Ohsawa, Hiroshi Ohtaka | 2001-03-27 |
| 6100939 | Tone display method and apparatus for displaying image signal | Masaji Ishigaki, Shigeo Mikoshiba, Takahiro Yamaguchi, Kohsaku Toda | 2000-08-08 |
| 6028573 | Driving method and apparatus for display device | Isamu Orita, Shigeo Mikoshiba, Takeaki Okabe, Kouzou Sakamoto, Masahiro Eto | 2000-02-22 |
| 6014258 | Color image display apparatus and method | Kazutaka Naka, Michitaka Ohsawa, Hiroshi Ohtaka | 2000-01-11 |
| 6008687 | Switching circuit and display device using the same | Isamu Orita, Shigeo Mikoshiba, Takeaki Okabe, Kouzou Sakamoto, Masahiro Eto | 1999-12-28 |
| 4799058 | Driving apparatus for a gas discharge display panel | Yukio Okamoto, Shinichi Shinada, Kenkichi Suzuki | 1989-01-17 |
| 4521816 | Magnetic recording method for digital signal | Seiichi Mita, Toru Kirino, Shusaku Nagahara | 1985-06-04 |