Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8184397 | Hard-disk drive with vapor-phase lubricant supply system | Yukio Kato, Junguo Xu | 2012-05-22 |
| 5651867 | Plasma processing method and apparatus | Yuichi Kokaku, Hiroyuki Kataoka, Makoto Kitoh, Shigehiko Fujimaki, Satoshi Matsunuma +3 more | 1997-07-29 |
| 5494721 | Magnetic disc substrate | Hirayoshi Tanei | 1996-02-27 |
| 5285343 | Magnetic disk with surface protective layer having convex portions and magnetic disk apparatus including such a magnetic disk | Hideaki Tanaka, Kenichi Gomi, Shoichi Sawahata, Maki Kondo, Masaki Ohura +6 more | 1994-02-08 |
| 5093173 | Magnetic disc comprising a substrate of an amorphous glass continuous phase dispersed with crystal particles which produce a structurally defined surface on the substrate | Hirayoshi Tanei | 1992-03-03 |
| 4735853 | Magnetic recording medium having an amorphous, nonmagnetic nickel-tungston-phosphorus underlayer | Hiroaki Okudaira, Hitoshi Oka, Masako Fujisawa, Yoshio Gobara | 1988-04-05 |
| 4444635 | Film forming method | Shigeru Kobayashi, Katsuo Abe, Tsuneaki Kamei, Kazuyuki Fujimoto | 1984-04-24 |
| 4430387 | Base plate for magnetic recording disc | Yoshiki Kato, Katsuo Abe, Takao Edamura, Takao Nakamura | 1984-02-07 |
| 4303443 | Electroless copper plating solution | Osamu Miyazawa, Hitoshi Oka, Isamu Tanaka, Akira Matsuo, Hitoshi Yokono +1 more | 1981-12-01 |