Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6303205 | Magnetic disk including protective layer having surface with protrusions, and substrate therefor | Hideaki Tanaka, Kenichi Gomi, Yoshihiko Miyake, Sigeru Sano, Youichi Inomata +2 more | 2001-10-16 |
| 6074275 | Polishing system and method of control of same | Kouji Ishibashi | 2000-06-13 |
| 6062949 | Polishing amount control system and method for same | Katsunori Nagao, Takamitsu Shimoide, Akihiko Yamaya | 2000-05-16 |
| 6041465 | Cleaning apparatus | Yuusuke Inoue | 2000-03-28 |
| 6012193 | Apparatus for washing disc-shaped workpieces | Yusuke Inoue | 2000-01-11 |
| 5930073 | Magnetic disk including protective layer having surface with magnetic disk including protrusions, and magnetic disk apparatus including the magnetic disk | Hideaki Tanaka, Kenichi Gomi, Yoshihiko Miyake, Sigeru Sano, Youichi Inomata +2 more | 1999-07-27 |
| 5879569 | Magnetic disk and method of and apparatus for manufacturing magnetic disk | Hiroshi Matsumoto, Yoichi Inomata, Tatsuya Yoneda, Kazuhiko Tsutsumi, Noriyuki Shige +1 more | 1999-03-09 |
| 5773124 | Magnetic recording medium comprising a protective layer having specified electrical resistivity and density | Fuminori Ishikawa, Hideaki Tanaka, Toshinori Hirano, Hiroko Saito, Kenichi Gomi +2 more | 1998-06-30 |
| 5690838 | Magnetic recording medium and process for producing same | Yoshihiro Moriguchi, Youichi Inomata, Yoshiki Kato, Kenichi Gomi, Hideaki Tanaka | 1997-11-25 |
| 5656349 | Magnetic disk, method of manufacturing the same and magnetic disk apparatus including the magnetic disk | Kenichi Gomi, Hideaki Tanaka, Hiroyuki Sugimoto, Shoichi Sawahata, Masaki Ohura +4 more | 1997-08-12 |
| 5504646 | Magnetic disk including protective layer having surface with protusions and magnetic disk apparatus including the magnetic disk | Hideaki Tanaka, Kenichi Gomi, Yoshihiko Miyake, Sigeru Sano, Youichi Inomata +2 more | 1996-04-02 |
| 5411630 | Magnetic disk manufacturing method | Norikazu Nagase, Yoshihiro Moriguchi, Youichi Inomata, Masaki Ohura, Yoshiki Kato | 1995-05-02 |
| 4939614 | Magnetic disk medium with circumferentially textured surfaces and varied surface roughness and method of producing the same | Takaaki Shirakura, Shinya Matsuoka, Masanori Arayashiki, Masaki Ohura | 1990-07-03 |
| 4872009 | Method and apparatus for data compression and restoration | Tokuhiro Tsukiyama, Osamu Hirose | 1989-10-03 |
| 4766788 | Superprecision lathe | Kenji Morita | 1988-08-30 |