Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7477217 | D/A converter circuit, organic EL drive circuit and organic EL display device | Jun Maede, Shinichi Abe | 2009-01-13 |
| 7456767 | D/A converter circuit, organic EL drive circuit, and organic EL display | Shinichi Abe, Jun Maede, Masanori Fujisawa | 2008-11-25 |
| 7446737 | Organic EL panel driving circuit, organic EL display device and organic EL panel driving circuit inspecting device | Jun Maede, Shinichi Abe, Masanori Fujisawa | 2008-11-04 |
| 7426087 | Information recording apparatus | Ryousuke Kumagai | 2008-09-16 |
| 7420529 | Organic EL panel drive circuit and organic EL display device | Shinichi Abe, Jun Maede | 2008-09-02 |
| 7321347 | Organic EL element drive circuit and organic EL display device using the same drive circuit | Hiroshi Yaguma, Shinichi Abe, Jun Maede | 2008-01-22 |
| 7084575 | Organic EL panel drive circuit and propriety test method for drive current of the same organic EL element drive circuit | Shinichi Abe, Jun Maede | 2006-08-01 |
| 7042270 | Interface system between controller IC and driver IC, and IC suitable for such interface system | — | 2006-05-09 |
| 7019929 | Disk recording apparatus with erroneous writing protection | Ryousuke Kumagai | 2006-03-28 |
| 7002303 | Organic EL panel drive circuit and organic EL display device using the same drive circuit | Jun Maede, Shinichi Abe, Masanori Fujisawa | 2006-02-21 |
| 6963172 | Organic EL element drive circuit and organic EL display device using the same drive circuit | Jun Maede, Shinichi Abe | 2005-11-08 |
| 6337597 | Semiconductor integrated circuit device having a voltage regulator | — | 2002-01-08 |
| 6268763 | Semiconductor integrated circuit device for driving a magnetic disk apparatus | — | 2001-07-31 |
| 5631582 | Frequency and phase comparator | — | 1997-05-20 |