Issued Patents All Time
Showing 25 most recent of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5578862 | Semiconductor integrated circuit with layer for isolating elements in substrate | Nobuo Fujii, Yosuke Mizukawa | 1996-11-26 |
| 5579046 | Voice filter system for a video camera | Masaki Morita | 1996-11-26 |
| 5548335 | Dual directional microphone video camera having operator voice cancellation and control | Masaki Morita | 1996-08-20 |
| 5521635 | Voice filter system for a video camera | Masaki Morita | 1996-05-28 |
| 5319501 | Magnetic recording and reproducing apparatus which records analog time-base-compressed audio signals along with video signals | — | 1994-06-07 |
| 5313347 | Rotating magnetic head for a magnetic recording reproduction system | — | 1994-05-17 |
| 5310812 | Binder resin for a toner for developing electrostatic images, and process for production thereof | Satoshi Yasuda, Kiichiro Sakashita, Seiichi Takagi, Shuichi Aita, Yoshinobu Nagai +1 more | 1994-05-10 |
| 5311377 | Driver device of magnetic heads for magnetic record and reproduction | — | 1994-05-10 |
| 5243474 | Automatic tracking control system which utilizes a crosstalk envelope signal to vary a tracking control signal | — | 1993-09-07 |
| 5223992 | Rotary magnetic head device in magnetic recording and reproducing apparatus | — | 1993-06-29 |
| 5219947 | Binder resin for a toner for developing electrostatic images, and process for production thereof | Satoshi Yasuda, Kiichiro Sakashita, Seiichi Takagi, Shuichi Aita, Yoshinobu Nagai +1 more | 1993-06-15 |
| 5182683 | Position control of a magnetic head in a magnetic recording and reproducing system | — | 1993-01-26 |
| 5107381 | Automatic tracking control for magnetic recording and/or reproducing apparatus with reference phase setting capability | Takashi Mishima | 1992-04-21 |
| 5101309 | Apparatus for automatically optimizing magnetic recording and playback | — | 1992-03-31 |
| 5060078 | Video signal processing apparatus having a noise reduction circuit | — | 1991-10-22 |
| 5014089 | Developer in an image forming device having a binding resin and magnetic powder | Kiichiro Sakashita, Toshiaki Nakahara, Hirohide Tanikawa, Naoki Matsushige, Satoshi Yoshida +1 more | 1991-05-07 |
| 4985327 | Non-magnetic toner | Kiichiro Sakashita, Hirohide Tanikawa, Satoshi Yoshida, Toshiaki Nakahara, Naoki Matsushige +1 more | 1991-01-15 |
| 4966829 | Toner for developing electrostatic images, binder therefor and process for production thereof | Satoshi Yasuda, Kiichiro Sakashita, Seiichi Takagi, Shuichi Aita, Yoshinobu Nagai +1 more | 1990-10-30 |
| 4957840 | Developer and image forming device | Kiichiro Sakashita, Toshiaki Nakahara, Hirohide Tanikawa, Naoki Matsushige, Satoshi Yoshida +1 more | 1990-09-18 |
| 4949173 | Security surveillance system with intermittent magnetic recording/reproducing device | — | 1990-08-14 |
| 4737432 | Positively chargeable toner and developer for developing electrostatic images contains di-organo tin borate charge controller | Katsuhiko Tanaka, Hirohide Tanikawa, Naoto Kitamori, Tsutomu Kukimoto, Masaki Uchiyama | 1988-04-12 |
| 4723180 | Intermittent drive type magnetic recording apparatus | Takafumi Inadomi | 1988-02-02 |
| 4699865 | Image forming method | — | 1987-10-13 |
| 4700255 | Magnetic tape recording apparatus | — | 1987-10-13 |
| 4640882 | Image forming method of negative latent images using silica particles | Masaki Uchiyama, Kazunori Murakawa, Kenji Okado | 1987-02-03 |