Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5768072 | Magnetic head for magnetic recording and reproduction | Yutaka Ueta, Hiroyuki Ohno, Kiyotaka Itou, Kousou Ishihara, Kazuhiro Koga +5 more | 1998-06-16 |
| 5225033 | Process for producing magnetic head of the floating type | Takashi Ogura, Takashi Yanai, Hiroyuki Okuda, Tsukasa Shimizu | 1993-07-06 |
| 5155645 | Magnetic head with improved efficiency in both high and low frequency ranges | Tsukasa Shimizu, Yoshiaki Shimizu, Jyoichi Tamada, Hiroyuki Okuda, Kazuo Ino +2 more | 1992-10-13 |
| 4772967 | Magnetic recording apparatus in a helical scan system | Hiroyuki Okuda, Masaru Doi, Yoshiaki Shimizu, Kazuo Ino, Koso Ishihara | 1988-09-20 |