Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6014296 | Magnetic disk, method of manufacturing magnetic disk and magnetic recording apparatus | Akira Kikitsu, Kohichi Tateyama | 2000-01-11 |
| 5997978 | Phase change optical recording medium and optical recording method | Keiichiro Yusu | 1999-12-07 |
| 5981054 | Magnetic recording medium and method for manufacturing the same | Takashi Hikosaka, Tsutomu Tanaka, Yoichiro Tanaka, Keiichiro Yusu, Akira Kikitsu | 1999-11-09 |
| 5889756 | Phase change optical recording medium | Keiichiro Yusu | 1999-03-30 |
| 5780135 | Magnetic disc apparatus | Akira Kikitsu | 1998-07-14 |
| 5744011 | Sputtering apparatus and sputtering method | Michiko Okubo, Naoyuki Inoue, Nobuaki Yasuda | 1998-04-28 |
| 5652054 | Magnetic recording media having a magnetic thin film made of magnetic metals grains and nonmagnetic matrix | Akira Kikitsu, Hitoshi Iwasaki, Atsuhito Sawabe | 1997-07-29 |
| 5607599 | Method of processing a magnetic thin film | Michiko Okubo, Keiji Horioka | 1997-03-04 |
| 5560776 | Plasma discharge generating antenna | Hideo Sugai, Nobuaki Yasuda, Michiko Okubo | 1996-10-01 |
| 5412627 | A magneto-optical recording system including a recording medium having a reversal preventive layer for preventing a magnetization reversal of a bias layer which is magnetostatically coupled to a recording layer | Sumio Ashida, Akira Kikitsu, Yumi Mizusawa | 1995-05-02 |