Issued Patents All Time
Showing 51–75 of 103 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7391406 | Light emission control circuit uniformly and non-uniformly controlling a plurality of light-emitting elements | Koichi Miyanaga | 2008-06-24 |
| 7388560 | Power supply apparatus | Tomoyuki Ito, Takahiro Ota | 2008-06-17 |
| 7385642 | Camera portable telephone including LEDs used for both a camera flash and call notification of an incoming call | Koichi Miyanaga | 2008-06-10 |
| 7382974 | Information receiving/recording/reproducing apparatus and method thereof using a secondary memory device before switching to a real time transmission | Koichi Kameyama | 2008-06-03 |
| 7372322 | Current drive circuit reducing VDS dependency | Koichi Miyanaga | 2008-05-13 |
| 7368884 | DC/DC converter | Yoichi Tamegai | 2008-05-06 |
| 7321257 | Semiconductor device capable of detecting an open bonding wire using weak current | Koichi Miyanaga | 2008-01-22 |
| 7315095 | Voltage regulating apparatus supplying a drive voltage to a plurality of loads | Noboru Kagemoto, Kyoichiro Araki | 2008-01-01 |
| 7307385 | Boost controller capable of step-up ratio control | Kyoichiro Araki, Noboru Kagemoto | 2007-12-11 |
| 7304871 | Boost circuit capable of step-up ratio control | Tomoyuki Ito | 2007-12-04 |
| 7253596 | Power supply apparatus capable of supplying a stable converted voltage | Yoichi Tamegai | 2007-08-07 |
| 7248002 | Light emission control apparatus and light emission control method with temperature-sensitive driving current control | Yoichi Tamegai | 2007-07-24 |
| 7230474 | Current drive circuit reducing VDS dependency | Koichi Miyanaga | 2007-06-12 |
| 7190195 | Input circuit and output circuit | Kyoichiro Araki, Yoichi Tamegai | 2007-03-13 |
| 7120260 | Jack circuit and portable type electronic apparatus and telephone set using the same | Takenori Kato | 2006-10-10 |
| 7081742 | Power supply apparatus provided with overcurrent protection function | Tomoyuki Ito, Hiroyuki Iwaki | 2006-07-25 |
| 7023236 | Data transmission system and cable | — | 2006-04-04 |
| 7009830 | Semiconductor integrated circuit device | Koichi Miyanaga | 2006-03-07 |
| 6967469 | Battery charging method, battery charging circuit, and portable electronic device having a battery | Tetsuro Hashimoto, Hiroyuki Ishikawa, Shigekane Matsui | 2005-11-22 |
| 6949892 | Light emitting element drive device and electronic device light emitting element | Sachito Horiuchi, Noboru Kagemoto | 2005-09-27 |
| 6822403 | Light emitting element drive device and electronic device having light emitting element | Sachito Horiuchi, Ken Hoshino | 2004-11-23 |
| 6687107 | Semiconductor integrated circuit device | Koichi Miyanaga | 2004-02-03 |
| 6628890 | Digital recording/reproduction apparatus | Taisuke Tsurui | 2003-09-30 |
| 6219598 | Automotive controller maintaining operation of controlled device when a microcomputer overruns and cannot be reset | Toshimasa Miwa, Tetsuo Sasaki, Masakazu Imai, Hiroyuki Kamishima | 2001-04-17 |
| 6130571 | Semiconductor device with fine-adjustable resistance | — | 2000-10-10 |