Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11830533 | Method of producing magnetic powder and method of producing magnetic recording medium | Natsuki Toyosawa, Yuta Akimoto, Satoru Abe, Masaru Terakawa, Katsunori Maeshima +2 more | 2023-11-28 |
| 5936815 | Magnetic head | Seiji Kumagai, Junichi Honda, Kyu Kanno | 1999-08-10 |
| 5737154 | Rotary magnetic head apparatus with circuitry for driving head and circuitry for transmitting output signals in noncontact fashion disposed on rotary drums | Seiji Kumagai, Masatoshi Hayakawa, Hiroshi Morita, Junichi Honda, Yuji Nakano | 1998-04-07 |
| 5708543 | Magnetic head with glass used to bond together two core halves having a coefficient of thermal expansion less than that of the ferromagnetic oxide used to make the core halves | Junichi Honda | 1998-01-13 |
| 5475551 | Magnetic head | Junichi Honda, Seiji Kumagai, Masatoshi Hayakawa, Masahiro Kikkawa, Miho Suzuki | 1995-12-12 |