Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8912740 | Actuator driver | Akira Kawabe, Kouji Okamoto, Fumiaki Senoue, Hitoshi Kobayashi, Kiyotaka TANIMOTO +3 more | 2014-12-16 |
| 7528659 | Fully differential amplification device | Makoto Ikuma | 2009-05-05 |
| 7474244 | Current addition type digital analog converter | Akira Kawabe | 2009-01-06 |
| 7405636 | Passive polyphase filter | Masayuki Ozasa, Manabu Ookubo, Takao Soramoto | 2008-07-29 |
| 7271652 | Differential amplifier and operational amplifier | Masayuki Ozasa | 2007-09-18 |
| 7215195 | Differential amplifier and operational amplifier | Masayuki Ozasa | 2007-05-08 |
| 7116170 | Differential amplifier and calculation amplifier | Masayuki Ozasa | 2006-10-03 |
| 7084797 | Delta sigma modulating apparatus | Hitoshi Kobayashi, Fumihito Inukai | 2006-08-01 |
| 6954161 | Cascade delta-sigma modulator | Fumihito Inukai, Hitoshi Kobayashi | 2005-10-11 |
| 6930544 | Filter | — | 2005-08-16 |
| 6512414 | Automatic filter tuning control system | Hisashi Takahashi, Michiyo Yamamoto, Norihide Kinugasa, Mamoru Arayashiki | 2003-01-28 |
| 5012201 | Variable impedance circuit | Yoichi Morita, Hiroshi Komori | 1991-04-30 |