Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012342 | Lubricant base oil and method of producing the same | Manabu Kobayashi, Masayuki Saito, Hiroshi Yachi | 2011-09-06 |
| 7938955 | Method for producing super-low sulfur gas oil blending component or super-low sulfur gas oil composition, and super-low sulfur gas oil composition | Yasuhiro Araki | 2011-05-10 |
| 6576119 | Method of producing middle distillate products by two-stage hydrocracking and hydrocracking apparatus | Manabu Kobayashi, Hiroki Koyama, Seiji Togawa, Futoshi Sakaguchi | 2003-06-10 |
| 6551500 | Hydrocracking catalyst, producing method thereof, and hydrocracking method | Toru Saito, Manabu Kobayashi, Kaori Matsuzawa | 2003-04-22 |
| 6383974 | Hydrorefining catalyst and method for manufacturing hydrorefining catalyst | Ryutaro Koide, Koichi Matsushita | 2002-05-07 |
| 5995321 | Carriage structure for disk device | — | 1999-11-30 |
| 5886851 | Frame structure of a disk drive for improved heat dissipation and a disk drive that uses such a frame structure | Osamu Yamazaki, Yoshiaki Nagasawa, Tomoo Sukagawa | 1999-03-23 |
| 5877915 | Ventilation structure of a cover for a disk drive | — | 1999-03-02 |
| 5859746 | Magnetic disk drive and flexible printed board used in such drive | Mitsuhisa Sekino, Yoshiaki Nagasawa, Tomoo Sukagawa, Masaharu Sugimoto, Tsuyoshi Furukawa +4 more | 1999-01-12 |
| 5764435 | Breather filter unit for magnetic disk drive | Masaharu Sugimoto, Yoshiaki Nagasawa, Osamu Yamazaki, Yukihiro Komura, Tomoo Sukagawa | 1998-06-09 |
| 5673159 | Magnetic disk apparatus | Masaki Jinbo, Tsuyoshi Furukawa, Hisashi Kaneko, Masaharu Sugimoto, Tsuneyori Ino +1 more | 1997-09-30 |
| 5602701 | Head actuator for magnetic disk drive unit | Yukihiro Komura, Yoshiaki Nagasawa, Osamu Yamazaki, Tomoo Sukagawa | 1997-02-11 |
| 5590001 | Breather filter unit for magnetic disk drive | Tsuneyori Ino, Tsuyoshi Furukawa, Masaki Jinbo, Hisashi Kaneko, Shinichi Fukuzawa +5 more | 1996-12-31 |
| 5583720 | Magnetic disk drive and flexible printed board used in such drive | Mitsuhisa Sekino, Yoshiaki Nagasawa, Tomoo Sukagawa, Masaharu Sugimoto, Tsuyoshi Furukawa +4 more | 1996-12-10 |
| 5541788 | Magnetic disk drive and flexible printed circuit board | Yoshiaki Nagasawa, Masaharu Sugimoto, Tomoo Sukagawa | 1996-07-30 |
| 5172287 | Magnetic disc apparatus having uniform torque imparting means for imparting uniform torque irrespective of rotational position of a head arm | — | 1992-12-15 |