Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9215766 | Drive device for light-emitting element | Nobuhiko Saegusa, Katsuhiro Kanauchi | 2015-12-15 |
| 7796332 | 3D display device | — | 2010-09-14 |
| 7274363 | Panel display driving device and driving method | Shinichi Ishizuka, Masami Tsuchida, Tsuyoshi Sakamoto | 2007-09-25 |
| 7215307 | Drive unit of self-luminous device with degradation detection function | Masami Tsuchida, Shinichi Ishizuka, Tsuyoshi Sakamoto | 2007-05-08 |
| 7193590 | Apparatus and method for driving display panel | Shinichi Ishizuka, Tsuyoshi Sakamoto | 2007-03-20 |
| 7170476 | Fixed pattern display panel and method for producing fixed pattern display panel | Tsuyoshi Sakamoto, Masami Tsuchida | 2007-01-30 |
| 7109955 | Apparatus and method for driving multi-color light emitting display panel | Shinichi Ishizuka, Tsuyoshi Sakamoto | 2006-09-19 |
| 6982688 | Driving apparatus for capacitive light emitting element display panel | Shinichi Ishizuka | 2006-01-03 |
| 6806852 | Method and apparatus for driving self-emitting panel | Shinichi Ishizuka, Masami Tsuchida | 2004-10-19 |
| 6771235 | Apparatus and method for driving display panel | Shinichi Ishizuka, Tsuyoshi Sakamoto | 2004-08-03 |
| 6756951 | Display apparatus and driving circuit of display panel | Shinichi Ishizuka, Masami Tsuchida, Tsuyoshi Sakamoto | 2004-06-29 |
| 6707438 | Apparatus and method for driving multi-color light emitting display panel | Shinichi Ishizuka, Tsuyoshi Sakamoto | 2004-03-16 |
| 6617801 | Drive device for a light-emitting panel, and a portable terminal device including a light-emitting panel | Shinichi Ishizuka, Masaki Murakata, Takayoshi Yoshida | 2003-09-09 |
| 6429837 | Method of driving a luminescent display | Shinichi Ishizuka, Yoshinori Fukuda, Satoshi Miyaguchi, Taizo Ishida, Masami Tsuchida | 2002-08-06 |
| 6376994 | Organic EL device driving apparatus having temperature compensating function | Yoshiyuki Okuda, Masami Tsuchida | 2002-04-23 |
| 6020865 | Driving method and apparatus for light emitting device | Yoshiyuki Okuda, Shinichi Ishizuka | 2000-02-01 |
| 5923309 | Display device using current driven type light emitting elements | Shinichi Ishizuka, Yoshiyuki Okuda, Hiroshi Ohata | 1999-07-13 |
| 5578120 | Laser beam absorbing resin composition, coloring material therefor and laser bean marking method | Jun Takahashi, Masaaki Toyoda, Akira Yasuda | 1996-11-26 |
| 5445923 | Laser beam absorbing resin composition and laser beam marking method | Jun Takahashi, Akira Yasuda | 1995-08-29 |
| 5422383 | Laser beam absorbing resin composition, coloring material therefor and laser beam marking method | Jun Takahashi, Masaaki Toyoda, Akira Yasuda | 1995-06-06 |
| 5382385 | Sintered varistor material with small particle size | Akihide Igari, Masaaki Toyoda, Zenbee Nakagawa | 1995-01-17 |
| 5296169 | Method of producing varistor | Akihide Igari, Masaaki Toyoda, Zenbee Nakagawa | 1994-03-22 |
| 5116542 | Varistor material and method of producing same from zinc oxide and manganese oxide: controlled porosity and high non-linear coefficient | Akihide Igari, Masaaki Toyoda | 1992-05-26 |
| 5076979 | Process for production of varistor material | Akihide Igari, Zenbee Nakagawa | 1991-12-31 |
| 5015558 | High energy beam-sensitive copolymer | Tomoyuki Kitaori | 1991-05-14 |