Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6867938 | Digital information reproducing apparatus using rotary magnetic heads | Shigeru Yamazaki | 2005-03-15 |
| 6757123 | Method and apparatus for cleaning a magneto-resistive head | Hidekazu Takeda, Shigeru Yamazaki, Akihisa Obata, Toshio Tsuchiya, Kenkichi Inada +1 more | 2004-06-29 |
| 6654194 | High reliability magneto-resistive head cleaning system | Hidekazu Takeda, Shigeru Yamazaki, Akihisa Obata, Toshio Tsuchiya, Kenkichi Inada +1 more | 2003-11-25 |
| 6108165 | Rotary drum equipment and recording/reproducing equipment using the same | Hideki Maruyama, Kuniaki Hirayama, Yoshio Uemura, Toshihiko Imachi, Kenkichi Inada +1 more | 2000-08-22 |
| 6078464 | Drum base on which a drum of a magnetic tape recorder is mounted | Hidekazu Takeda, Shinya Fujimori, Atsushi Inoue, Fukuyasu Abe, Hisashi Ichikawa +3 more | 2000-06-20 |
| 6061213 | Magnetic tape cartridge having triple lid assembly | Hikaru Mizutani, Mikihisa Inoue, Hidekazu Takeda | 2000-05-09 |
| 5978185 | Rotary head and recording/reading apparatus provided with rotary head | Fukuyasu Abe, Shinya Fujimori, Hidekazu Takeda, Atsushi Inoue, Yoshiharu Yamashita +4 more | 1999-11-02 |
| 5812340 | Magnetic tape recording and reproducing plug-in unit | Tatsumi Nishijima, Kyuichirou Nagai, Nobuyuki Kaku | 1998-09-22 |
| 5739976 | Magnetic recording and reproducing apparatus | Kazuo Sakai, Fumio Takeda, Taichiro Yamashita, Fujio Tajima, Takao Terayama +8 more | 1998-04-14 |
| 5734537 | Tape guide structure of rotary head drum in recording/reproduction apparatus and method of machining the same | Seiji Ono, Hidekazu Takeda, Atsushi Inoue, Nobuo Masuoka, Noboru Katohno +3 more | 1998-03-31 |
| 5687047 | Magnetic tape cartridge having triple lid assembly | Hikaru Mizutani, Mikihisa Inoue, Hidekazu Takeda | 1997-11-11 |
| 5617391 | Optical recording and reproducing system | Seiji Ono, Katsuo Konishi, Hiroyuki Nagatomo | 1997-04-01 |
| 5608585 | Magnetic recording and reproducing apparatus with repositioning stop mode | Kenji Ogiro, Hidefumi Goto, Sadao Hirose, Satoshi Fujino, Shinya Fujimori +1 more | 1997-03-04 |
| 5602695 | Cassette loading mechanism for recording and playback apparatus | Tatsumi Nishijima, Hidekazu Takeda, Hikaru Mizutani, Yoshimi Maehara | 1997-02-11 |
| 5570831 | Pneumatic static guide for a tape | Hidekazu Takeda, Nobuyuki Kaku, Tomoki Shoji, Toshihiro Koyama, Kazuo Sakai +1 more | 1996-11-05 |
| 5497279 | Tape cartridge and recording reproduction apparatus for the tape cartridge | Tatsumi Nishijima, Hidekazu Takeda, Hikaru Mizutani, Yoshimi Maehara, Kenji Ogiro | 1996-03-05 |
| 5495371 | Magnetic tape library device and method for maintaining magnetic recording and reproducing device and magnetic head | Takayuki Munemoto, Kazuo Sakai, Fujio Tajima, Tomokazu Ishii, Fumio Takeda +4 more | 1996-02-27 |
| 5479312 | Tape cartridge system implementing variable sized tape cartridges designed for use on the same recording/reproducing apparatus | Hidekazu Takeda, Tatsumi Nishijima, Hikaru Mizutani, Yoshimi Maehara | 1995-12-26 |
| 5448427 | Magnetic recording and reproducing apparatus | Kenji Ogiro, Hidefumi Goto, Sadao Hirose, Satoshi Fujino, Shinya Fujimori +1 more | 1995-09-05 |
| 5434735 | Recording/playback apparatus for controlling contact between a head and a magnetic tape by controlled spouting of air in the vicinity of the head | Nobuyuki Kaku, Shigemitsu Higuchi, Tomomi Okamoto, Fukuyasu Abe, Shigeyuki Kobata | 1995-07-18 |
| 4924329 | Rotary drum apparatus for a magnetic recording and reproducing device | Kenji Ogiro, Yoshinori Okada, Akihiro Nakajima, Mashanori Kochi, Kazutoshi Konno | 1990-05-08 |
| 4814910 | Small sized magnetic recording and reproducing apparatus with improved rotating magnetic head | Nobuyuki Kaku, Isamu Tsubono | 1989-03-21 |
| 4789912 | Magnetic recording and reproducing apparatus of rotary head type | Toshimichi Terada, Kenji Ogiro, Shozo Yokoo, Osamu Uchiyama | 1988-12-06 |