Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804072 | Recording head clogging detection method and its device | Masaru Higashionji, Haruo Isaka, Hideaki Mukae, Kouhei Baba, Kazunori Umee | 2004-10-12 |
| 6690879 | Magnetic recording and reproducing apparatus of helical scan type | Hirofumi Uchida, Masaru Higashionji, Takeshi Otsuka, Keiichi Ishida | 2004-02-10 |
| 5543990 | Multitrack magnetic head assembly for scanning a magnetic tape with a plurality of magnetic head tips | Yoshiaki Mizoh | 1996-08-06 |
| 5508945 | Levitation phenomenon analyzer and magnetic recording apparatus including levitation phenomenon analyzer | Yoshiaki Mizoh, Hidetoshi Kotera, Hiromi Kita | 1996-04-16 |
| 5500777 | Magnetic head drive which uses independently controlled piezo-electric elements | Kenji Hasegawa | 1996-03-19 |
| 5426550 | Multitrack magnetic head assembly for scanning a magnetic tape with a plurality of magnetic head tips | Yoshiaki Mizoh | 1995-06-20 |
| 5065267 | Multi-track magnetic head having different height head chips | — | 1991-11-12 |
| 4985796 | Magnetic head with a tape contacting surface having a metal filled channel therein | Keita Ihara, Eisuke Sawai, Ken Takahashi | 1991-01-15 |
| 4985797 | Magnetic head | Yasushi Inoue | 1991-01-15 |
| 4897748 | Magnetic head for azimuth recording in a high density magnetic recording system | Ken Takahashi, Nobuyuki Kaminaka | 1990-01-30 |
| 4890379 | Method for manufacturing magnetic head | Ken Takahashi, Eisuke Sawai, Syunsaku Muraoka, Keita Ihara | 1990-01-02 |
| 4868698 | Magnetic head | Ken Takahashi | 1989-09-19 |
| 4745506 | Magnetic head for perpendicular magnetic recording and reproduction | Kazuo Nakamura, Seishi Sasaki, Ken Takahashi, Nobuyuki Kaminaka | 1988-05-17 |