Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278716 | Magnetic head with suppressed generation of pseudogap | Hiroyuki Okuda, Yoshiaki Shimizu, Kousou Ishihara, Takashi Ogura | 1994-01-11 |
| 5270894 | MIG magnetic head structured to minimize pseudo-gap problem | Horiyuki Okuda, Isao Tanaka, Jyoichi Tamada, Takashi Ogura, Fumio Kameoka +1 more | 1993-12-14 |
| 5218500 | Magnetic head having a single-crystal ferrite core | Hiroyuki Okuda, Isao Tanaka, Jyoichi Tamada, Takashi Ogura, Fumio Kameoka +1 more | 1993-06-08 |
| 5195004 | Method of manufacturing a magnetic core half | Hiroyuki Okuda, Yoshiaki Shimizu, Kousou Ishihara, Takashi Ogura | 1993-03-16 |
| 5155645 | Magnetic head with improved efficiency in both high and low frequency ranges | Tsukasa Shimizu, Yoshiaki Shimizu, Jyoichi Tamada, Hiroyuki Okuda, Takao Yamano +2 more | 1992-10-13 |
| 5099376 | Magnetic head and method of manufacturing the same | Yoshiaki Shimizu, Hiroyuki Okuda, Kousou Ishihara, Takashi Ogura | 1992-03-24 |
| 5007158 | Method of manufacturing magnetic heads | Yoshiaki Shimizu, Hiroyuki Okuda, Kousou Ishihara, Takashi Ogura | 1991-04-16 |
| 4953049 | Metal-in-gap head with heat resistant layers | Hiroyuki Okuda, Yoshiaki Shimizu, Kousou Ishihara, Takashi Ogura | 1990-08-28 |
| 4772967 | Magnetic recording apparatus in a helical scan system | Hiroyuki Okuda, Masaru Doi, Yoshiaki Shimizu, Takao Yamano, Koso Ishihara | 1988-09-20 |