Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6940559 | Color reproduction correction circuit for color representation and a color display | Ken Kumakura, Kazuyoshi Yamada, Hideaki Ohki, Toshio Ueda | 2005-09-06 |
| 6753930 | Color reproduction correction circuit for color representation and a color display | Ken Kumakura, Kazuyoshi Yamada, Hideaki Ohki, Toshio Ueda | 2004-06-22 |
| 6741227 | Color image display apparatus and method | Kazutaka Naka, Michitaka Ohsawa, Akihiko Kougami | 2004-05-25 |
| 6518977 | Color image display apparatus and method | Kazutaka Naka, Michitaka Ohsawa, Akihiko Kougami | 2003-02-11 |
| 6504310 | Display apparatus | Kazutaka Naka, Michitaka Ohsawa, Akihiko Kougami | 2003-01-07 |
| 6407506 | Display apparatus, display method and control-drive circuit for display apparatus | Kazutaka Naka, Michitaka Ohsawa, Akihiko Kougami | 2002-06-18 |
| 6404411 | Display panel driving method and discharge type display apparatus | Takeo Masuda, Takashi Sasaki, Masaji Ishigaki | 2002-06-11 |
| 6281863 | Plasma display panel driving system and method | Takashi Sasaki, Masaji Ishigaki, Norio Yatsuda, Yuji Sano, Nobuyuki Ushifusa +2 more | 2001-08-28 |
| 6208467 | Display apparatus for displaying an image having gradation | Kazutaka Naka, Michitaka Ohsawa, Akihiko Kougami | 2001-03-27 |
| 6151000 | Display apparatus and display method thereof | Masaji Ishigaki, Yasuji Noguchi, Yuichiro Kimura, Ken Kumakura | 2000-11-21 |
| 6014258 | Color image display apparatus and method | Kazutaka Naka, Michitaka Ohsawa, Akihiko Kougami | 2000-01-11 |
| 5939826 | Plasma display system | Michitaka Ohsawa, Keirou Shinkawa, Ken Hashimoto, Nobuyuki Ushifusa, Seiichi Tsuchida +2 more | 1999-08-17 |
| 5889501 | Plasma display apparatus and method of driving the same | Takashi Sasaki, Masaji Ishigaki, Norio Yatsuda, Yuji Sano | 1999-03-30 |
| 5818168 | Gas discharge display panel having communicable main and auxiliary discharge spaces and manufacturing method therefor | Nobuyuki Ushifusa, Seiichi Tsuchida, Teruo Takai, Ken Hashimoto, Michitaka Ohsawa +5 more | 1998-10-06 |