Issued Patents 1997
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699423 | Telephone set in which an echo signal is effectively cancelled in spite of being provided with a plurality of sound producing units | Michitaka Sisido | 1997-12-16 |
| 5689739 | Lens drive mechanism for photographic camera with zoom lens | Akio Omiya | 1997-11-18 |
| 5664248 | Photographic camera | Yoji Naka, Takashi Kamoda | 1997-09-02 |
| 5658865 | Oxidation-inhibitive lubricating oil composition | Jinichi Igarashi, Yoko Matsuyama | 1997-08-19 |
| 5658866 | Lubricating oil compositions | Jinichi Igarashi, Yoko Matsuyama | 1997-08-19 |
| 5649305 | Memory call origination system for automatically originating a call to a calling party | — | 1997-07-15 |
| 5630014 | Gain controller with automatic adjustment using integration energy values | Mititaka Sisido | 1997-05-13 |
| 5621724 | Echo cancelling device capable of coping with deterioration of acoustic echo condition in a short time | — | 1997-04-15 |
| 5617472 | Noise suppression of acoustic signal in telephone set | Michitaka Sisido | 1997-04-01 |
| 5617112 | Display control device for controlling brightness of a display installed in a vehicular cabin | Michitaka Sisido | 1997-04-01 |
| 5610525 | Battery capacity detector | Yukihiro Kanno | 1997-03-11 |
| 5608324 | Apparatus for detecting a remaining capacity of a battery in a portable data transmission/reception device | — | 1997-03-04 |