Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5467236 | Gapped flexure tongue for floating type magnetic head apparatus | Akira Takahashi | 1995-11-14 |
| 4768120 | Complex magnetic head having non-magnetic center core | — | 1988-08-30 |
| 4720757 | Magnetic head for vertical magnetic recording and process for producing the same | Keishi Nakashima | 1988-01-19 |
| 4695512 | Magnetic head for perpendicular magnetic recording | Keishi Nakashima | 1987-09-22 |
| 4657812 | Recording medium for perpendicular magnetization | Koichi Mukasa, Keishi Nakashima, Hiroshi Sato | 1987-04-14 |
| 4641213 | Magnetic head | Yutaka Shimada, Koichi Mukasa, Keishi Nakashima | 1987-02-03 |
| 4638391 | Vertical recording magnetic head having single core body bonded with main magnetic pole in guard layer | Keishi Nakashima, Koichi Mukasa | 1987-01-20 |
| 4638387 | Composition for sliding contact part of recording/reproducing apparatus | Koichi Mukasa, Keishi Nakashima, Kazumasa Onishi | 1987-01-20 |
| 4622273 | Recording medium for perpendicular magnetization | Keishi Nakashima, Koichi Mukasa | 1986-11-11 |
| 4609593 | Magnetic recording medium | Keishi Nakashima, Koichi Mukasa, Yutaka Shimada | 1986-09-02 |
| 4603091 | Recording medium for perpendicular magnetization | Koichi Mukasa, Keishi Nakashima | 1986-07-29 |
| 4592963 | Thin-film magnetic head and composite material substrate therefor | Koichi Mukasa, Keishi Nakashima, Kazumasa Onishi | 1986-06-03 |
| 4557769 | Soft magnetic material | Yutaka Shimada, Koichi Mukasa, Keishi Nakashima | 1985-12-10 |