Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6320355 | Low power consumption circuit and secondary battery cell protection circuit | — | 2001-11-20 |
| 6310463 | Secondary battery cell protection circuit | Hiroshi Nagaoka | 2001-10-30 |
| 6297619 | Secondary battery cell protection circuit | — | 2001-10-02 |
| 6285165 | Secondary battery protection circuit | — | 2001-09-04 |
| 6104150 | Motor driving circuit | Tomomitsu Oohara | 2000-08-15 |
| 5999051 | Variable gain amplification circuit having a circuit for controlling a bias current | Masaru Takeuchi | 1999-12-07 |
| 5907260 | Differential amplifying circuit | Masaru Takeuchi | 1999-05-25 |
| 5850459 | Headphone stereo control circuit | Hideaki Adachi | 1998-12-15 |
| 5581486 | Maintenance management system for managing maintenance of components of assembly apparatus | Hirohide MAENAKA, Yukio Kawazu | 1996-12-03 |
| 5451904 | Amplifying circuit in which variable impedance circuit is used in negative feedback circuit | Kyozo Makime, Hideaki Adachi | 1995-09-19 |
| 5262221 | Heat-sensitive stencil paper | Toshihiro Asai, Masaki Murasawa | 1993-11-16 |