Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8779750 | Reference voltage generating circuit and reference voltage source | Fumihito Inakai | 2014-07-15 |
| 7405636 | Passive polyphase filter | Akio Yokoyama, Manabu Ookubo, Takao Soramoto | 2008-07-29 |
| 7362142 | Current source apparatus, light-emitting-device apparatus and digital-analog converting apparatus | Manabu Ohkubo | 2008-04-22 |
| 7271652 | Differential amplifier and operational amplifier | Akio Yokoyama | 2007-09-18 |
| 7215195 | Differential amplifier and operational amplifier | Akio Yokoyama | 2007-05-08 |
| 7116170 | Differential amplifier and calculation amplifier | Akio Yokoyama | 2006-10-03 |
| 7064696 | Current drive circuit, light emitting element drive circuit and digital-analog converter | Manabu Ohkubo | 2006-06-20 |
| 7053695 | Current source circuit and amplifier using the same | Hiroyasu Shimaoka | 2006-05-30 |
| 7046077 | Current source circuit and amplifier using the same | Hiroyasu Shimaoka | 2006-05-16 |
| 6559895 | Analog memory and image processing system for reducing fixed pattern noise | Shiro Dosho, Naoshi Yanagisawa, Hidehiko Kurimoto, Tatsuo Okamoto | 2003-05-06 |
| 6552402 | Composite MOS transistor device | Tatsuo Okamoto, Hidehiko Kurimoto, Shiro Dosho, Kazuhiko Nagaoka | 2003-04-22 |
| 6121826 | Comb filter and method for controlling the same | Shiro Dosho, Naoshi Yanagisawa, Hidehiko Kurimoto, Tatsuo Okamoto | 2000-09-19 |