Issued Patents 1989
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886999 | Cathode ray tube apparatus with quadrupole electrode structure | Hisakazu Yamane, Ritsuo Ishida, Hisao Nakanishi, Keiji Yanai, Masayuki Toshiyasu +4 more | 1989-12-12 |
| 4885635 | Endoscope light source apparatus | Hiroki Hibino, Toshiaka Nisikori, Hisao Ogiu, Atsushi Kidawara, Hisao Yabe +4 more | 1989-12-05 |
| 4884134 | Video endoscope apparatus employing device shutter | Kiyoshi Tsuji, Yoshihiro Okada | 1989-11-28 |
| 4866516 | Optical endoscope having image signal transmitting cable | Hiroki Hibino | 1989-09-12 |
| 4860091 | Video image processing apparatus for emphasizing color of an image by enhancing saturation | Kiyoshi Tsuji | 1989-08-22 |
| 4860095 | Video camera apparatus and video endoscope apparatus with means for compensating image errors caused by differing cable lengths | Kiyoshi Tsuji | 1989-08-22 |
| 4855819 | Endoscope imaging system for use with multiple color imaging systems | Hiroki Hibino, Masahide Kanno, Toshiaki Nishikori, Jun Yoshinaga, Atsushi Kidawara +4 more | 1989-08-08 |
| 4853773 | Endoscope signal processing apparatus using sequential and synchronous imaging devices | Hiroki Hibino, Teruo Eino | 1989-08-01 |
| 4846155 | Video endoscope apparatus with automatic focusing control | — | 1989-07-11 |
| 4845554 | Automatic light adjusting system for an endoscope using an externally fitter camera | Kenichi Kikuchi | 1989-07-04 |
| 4816909 | Video endoscope system for use with different sizes of solid state devices | Masao Uehara, Hiroki Hibino, Akinobu Uchikubo, Jun Hasegawa, Masahide Kanno +3 more | 1989-03-28 |
| 4814859 | Video image processing apparatus for emphasizing color of an image by expanding hue and saturation | Kiyoshi Tsuji | 1989-03-21 |
| 4803550 | Imaging apparatus having illumination means | Hisao Yabe, Masahide Kanno, Kiyoshi Tsuji, Jun Yoshinaga, Takeshi Yokoi +5 more | 1989-02-07 |
| 4799104 | Video signal processor for endoscope | Takamasa Hosoya | 1989-01-17 |