Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7082015 | Rotary drum and magnetic reproducing apparatus or magnetic recording and reproducing apparatus using the same | Tadashi Ozue | 2006-07-25 |
| 6813109 | Rotary magnetic head apparatus for performing reproduction operations using a plurality of reproduction heads without depending on the arrangement of the recording tracks | Tadashi Ozue, Tomohiro Ikegami, Takehiko Saito | 2004-11-02 |
| 6549356 | Rotary drum and magnetic tape recording/reproducing apparatus using the same | Tadashi Ozue | 2003-04-15 |
| 6515833 | Rotating drum assembly and magnetic recording/reproducing apparatus having a tape-contact piece | Tadashi Ozue, Yoshiteru Kamatani, Ichiro Hashimoto | 2003-02-04 |
| 6515836 | Magneto-resistive effect type magnetic head and magnetic tape apparatus | Tadashi Ozue, Shinichi Fukuda | 2003-02-04 |
| 6429992 | Non-contact type transmission device and rotary magnetic head unit having the non-contact type transmission device and a bias current control section | Tadashi Ozue, Tomohiro Ikegami | 2002-08-06 |
| 6411456 | Magnetic signal reproducing method and apparatus | Tadashi Ozue, Yoshiteru Kamatani | 2002-06-25 |
| 6411473 | Rotary drum device and magnetic recording/reproducing apparatus having a more protruding inductive magnetic head relative to magnetoresistive head | Tadashi Ozue, Yoshiteru Kamatani | 2002-06-25 |
| 6356403 | Rotary magnetic head apparatus having reproduction signal wiring, power-supply wiring and recording signal wiring sections in a rotor and a stator arranged in a predetermined manner | Tadashi Ozue, Tomohiro Ikegami | 2002-03-12 |
| 6304397 | Magnetic recording/reproducing apparatus with rotary drum with magnetoresistance head for transducing DC-free code signals | Tadashi Ozue, Takehiko Saito, Yoshiteru Kamatani, Tomohiro Ikegami | 2001-10-16 |
| 6297631 | Magnetic signal reproducing method and apparatus using magneto-resistive effect element with increased sense current | Tadashi Ozue, Yoshiteru Kamatani, Tomohiro Ikegami, Takehiko Saito | 2001-10-02 |
| 6243240 | Non-contact type transmission device and rotary magnetic head unit having the non-contact type transmission device | Tadashi Ozue, Tomohiro Ikegami | 2001-06-05 |
| 6229662 | Magnetic recording/reproducing apparatus and magnetic tape | Tadashi Ozue, Yoshiteru Kamatani, Takehiko Saito, Tomohiro Ikegami | 2001-05-08 |
| 4819102 | Magnetic tape transfer printing apparatus | Makoto Ando, Keisuke Unno, Toshiharu Kobayashi | 1989-04-04 |
| 4768107 | High-speed contact printing system with control signal waveform refinement | Toshiharu Kobayashi, Takumi Okaue | 1988-08-30 |
| 4698700 | Air guide for tape copying apparatus | — | 1987-10-06 |
| 4626931 | Contact printing apparatus with presettable means indicating number of copy and master tape life expectancy | Takeshi Hori, Yoshiharu Higano, Toru Naganuma | 1986-12-02 |