Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5856281 | Bearing and manufacturing method of bearing, and magnetic disk device with bearing containing a lubricating grease | Masaki Otsuka, Iwao Matsuyama, Mitsuhiko Oguchi, Kazuhisa Murakami, Nobuyuki Ishii +2 more | 1999-01-05 |
| 5636081 | Magnetic disc apparatus and magnetic disc | Teruyoshi Higashiya, Tuneyuki Hasegawa, Yuichi Otani, Mituhiko Oguchi, Hiroyuki Sugimoto +4 more | 1997-06-03 |
| 5180608 | Process for producing a rigid magnetic disk by longitudinally generating standing waves or interference waves in an undried applied magnetic paint | Katsuyoshi Chiba, Yasutaro Uesaka, Hajime Fukke, Heigo Ishihara, Iwao Matsuyama +3 more | 1993-01-19 |
| 5180616 | Hard disk magnetic recording medium comprising magnetic powder and a binder and having a specified magnetic layer thickness and surface roughness | Hajime Fukke, Motoo Akagi, Iwao Matsuyama, Hitoshi Inoue, Naoki Kodama +1 more | 1993-01-19 |
| 5109311 | Magnetic disk device and method of recording/retrieving information | Masanobu Hanazono, Shinji Narishige, Yutaka Sugita, Hiroshi Fukui, Hirotsugu Fukuoka +4 more | 1992-04-28 |
| 5034243 | Method for magnetic orientation of magnetic recording medium using Meissner effect of high Tc superconductor | Katsuyoshi Chiba, Yasutaro Uesaka, Heigo Ishihara, Naoki Kodama, Hajime Fukke +2 more | 1991-07-23 |
| 4277452 | Carbon monoxide absorbing liquid | Keiichi Kanehori, Shinkichi Horigome, Yoshijiro Arikawa | 1981-07-07 |