Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4610922 | Asphalt impregnated foam and method of producing the same | Sadao Kumasaka, Satomi Tada, Koretoshi Katsuki, Ryoji Nagamine | 1986-09-09 |
| 4555735 | Interconnection system between image pickup device and recording device | Hiroshi Usuki | 1985-11-26 |
| 4544966 | Tracking control system using intermittently recorded pilot signals | Masamitsu Ohtsu, Kanji Kubo | 1985-10-01 |
| 4527878 | Method and apparatus for controlling activity of developing solution against oxidation by using a test piece | Nobuhiro Takita, Norimasa Nomura, Masaji Mizuta | 1985-07-09 |
| 4517312 | Process for regenerating resin | Sadao Kumasaka, Satomi Tada, Shigeo Horikoshi, Tamaki Kamanaka | 1985-05-14 |
| 4464036 | Method and apparatus for controlling activity of developing solution against blackening by using a test piece | Nobuhiro Takita, Norimasa Nomura, Masaji Mizuta | 1984-08-07 |
| 4390906 | Magnetic recording and/or reproducing system for television and audio signal | Mitsunobu Furumoto, Osahiko Yano, Kanji Kubo, Masamitsu Ohtsu | 1983-06-28 |
| 4380779 | Method for recording multiplexed signals on metal evaporated tape | Sadafumi Kitamura | 1983-04-19 |
| 4303950 | Helical scan video tape recorder for recording video and audio signals on contiguous tracks | Osahiko Yano, Chojuro Yamamitsu, Sadafumi Kitamura, Masamitsu Ohtsu | 1981-12-01 |
| 4303952 | Recording and reproducing system | Chojuro Yamamitsu, Ichiro Arimura | 1981-12-01 |
| 4302768 | System for reducing or suppressing noise components in television signal | Takashi Kamura | 1981-11-24 |
| 4262157 | Decarboxylation process | Yuji Hori, Yoshiaki Nagano | 1981-04-14 |
| 4240038 | Preamplifier | Kenichi Hasegawa, Sadafumi Kitamura | 1980-12-16 |