Issued Patents All Time
Showing 51–73 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5838059 | Multichip IC card and IC card system using it | Masayuki Inoue, Yutaka Takami, Kenji Matsumoto, Kotaro Yamashita | 1998-11-17 |
| 5808672 | Apparatus for removably mounting an electronic camera to a computer system | Manabu Wakabayashi, Iwao Aizawa | 1998-09-15 |
| 5801847 | Imaging and recording apparatus | Iwao Aizawa, Manabu Wakabayashi | 1998-09-01 |
| 5793517 | Imaging and recording apparatus | Iwao Aizawa, Manabu Wakabayashi | 1998-08-11 |
| 5790274 | Imaging and recording apparatus | Iwao Aizawa, Manabu Wakabayashi | 1998-08-04 |
| 5748238 | Video camera | Manabu Wakabayashi, Kenji Ogiro, Takanori Nishiyama, Hiroto Takita, Yutaka Takami +6 more | 1998-05-05 |
| 5699173 | Portable electronic still camera recording optical images of subjects in a memory which facilitates memory access from an external request | Iwao Aizawa, Manabu Wakabayashi | 1997-12-16 |
| 5664220 | Information transmission/reception system for transmitting information to requesters, where it is recorded, in response to a plurality of requests | Iwao Aizawa | 1997-09-02 |
| 5570220 | Apparatus for transmitting lightwave | Kenji Matsumoto, Kenji Sano, Jun Kobayashi, Koji Mori, Kenji Okada | 1996-10-29 |
| 5565919 | Video camera/VTR and camera station with opto-electronic link between camera/VTR and camera station | Manabu Wakabayashi, Kenji Ogiro, Takanori Nishiyama, Hiroto Takita, Yutaka Takami +6 more | 1996-10-15 |
| 5539535 | Portable electronic still camera recording optical images of subjects in a memory which facilitates memory access from an external request | Iwao Aizawa, Manabu Wakabayashi | 1996-07-23 |
| 5528433 | Wide picture video recording/reproducing system | Atsushi Yoshioka, Iwao Aizawa, Michio Masuda | 1996-06-18 |
| 5432650 | Magnetic tape recording/reproducing apparatus having automatic mode control | Kunihiro Nunomura, Koichi Ono, Iwao Aizawa, Tadasu Horiuchi | 1995-07-11 |
| 5396372 | Audio signal recording and reproducing apparatus | Yoshizumi Watatani | 1995-03-07 |
| 5388009 | PCM signal recording method and apparatus capable of adding index code to PCM signal recorded at different transmission rates | Yutaka Nagai, Toshifumi Takeuchi, Takao Arai, Hiroo Okamoto, Takaharu Noguchi | 1995-02-07 |
| 5109305 | Four head sequential switch scanning type magnetic recording/reproducing apparatus | Atsuo Ohsawa, Nobuyuki Kaku | 1992-04-28 |
| 4994923 | Video signal recording and reproducing apparatus with signal processing circuit for improvement of picture quality | Hikaru Masui, Yoshizumi Watatani | 1991-02-19 |
| 4992891 | Dual record/read head video recording and playback apparatus with fade-in function | Keiichi Komatsu, Shinji Ozaki, Hikaru Masui, Yoshizumi Watatani | 1991-02-12 |
| 4991026 | Chrominance signal reproducing apparatus for video tape recorder | Osamu Takase, Hikaru Masui, Yoshizumi Watatani | 1991-02-05 |
| 4825305 | Apparatus for recording and reproducing digital using dynamic range compression | Yoshizumi Watatani, Akitoshi Tsunoka | 1989-04-25 |
| 4769722 | Apparatus for recording and reproducing a video signal and for recording and reproducing a PCM audio signal on forward and reverse tape travelling directions | Yoshizumi Watatani, Akira Shibata, Koji Kaniwa | 1988-09-06 |
| 4677645 | Audio signal transmission system having noise reduction means | Koji Kaniwa, Yoshizumi Watatani | 1987-06-30 |
| 4604659 | Apparatus for detecting a drop-out in a magnetic recording/reproducing apparatus | Yoshizumi Watatani, Katsuo Mohri | 1986-08-05 |