Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8077209 | Imaging preventing apparatus and imaging preventing method | Nozomu Ozaki, Masamichi Asukai, Taiji Ito, Akinobu Sugino, Hidehiko Sekizawa +3 more | 2011-12-13 |
| 8055246 | Information delivery system for mobile communication using location, date, and time information | Mitsuru Takehara, Yoichiro Sako, Masamichi Asukai, Taiji Ito, Akinobu Sugino +4 more | 2011-11-08 |
| 7894147 | Lens module and electronic apparatus | Woojung Kim | 2011-02-22 |
| 6765738 | Magnetic reproducing apparatus and method for detecting a degree of wear of magnetic head element | Tadashi Ozue | 2004-07-20 |
| 6515833 | Rotating drum assembly and magnetic recording/reproducing apparatus having a tape-contact piece | Toshio Shirai, Tadashi Ozue, Ichiro Hashimoto | 2003-02-04 |
| 6411473 | Rotary drum device and magnetic recording/reproducing apparatus having a more protruding inductive magnetic head relative to magnetoresistive head | Tadashi Ozue, Toshio Shirai | 2002-06-25 |
| 6411456 | Magnetic signal reproducing method and apparatus | Tadashi Ozue, Toshio Shirai | 2002-06-25 |
| 6304397 | Magnetic recording/reproducing apparatus with rotary drum with magnetoresistance head for transducing DC-free code signals | Tadashi Ozue, Toshio Shirai, Takehiko Saito, Tomohiro Ikegami | 2001-10-16 |
| 6297631 | Magnetic signal reproducing method and apparatus using magneto-resistive effect element with increased sense current | Tadashi Ozue, Toshio Shirai, Tomohiro Ikegami, Takehiko Saito | 2001-10-02 |
| 6229662 | Magnetic recording/reproducing apparatus and magnetic tape | Tadashi Ozue, Toshio Shirai, Takehiko Saito, Tomohiro Ikegami | 2001-05-08 |
| 5933508 | Horn speaker system | Nobuo Fuke, Katsuya Endo | 1999-08-03 |
| 5757942 | Speaker unit with an improved acoustic equalizer | Nobuo Fuke | 1998-05-26 |
| 5559766 | Rotary drum tape recording apparatus with controlling optical recording tracks using stored results of scanning of reference tracks | Takashi Nakao, Kiyoshi Ohsato, Tatsuya Narahara, Tadashi Ozue | 1996-09-24 |
| 5287341 | Rotating optical head apparatus | Tadashi Ozue, Takuya Kaeriyama | 1994-02-15 |
| 5265084 | Rotary drum assembly with pump-out spiral grooves | Tadashi Ozue, Tatsuya Narahara | 1993-11-23 |
| 5239528 | Optical head control circuit for optical tape recording/reproducing apparatus | Tatsuya Narahara, Kiyoshi Ohsato, Hiroshi Miyoshi | 1993-08-24 |
| 5155720 | Servo control circuit for image rotator | Tatsuya Narahara, Takashi Nakao, Hiroshi Miyoshi | 1992-10-13 |
| 5063555 | Rotary optical head | Hiroshi Miyoshi, Tadashi Ozue, Tatsuya Narahara, Kiyoshi Ohsato | 1991-11-05 |