Inventor
ISHIDA KATSUAKI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “ISHIDA KATSUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
11 patentsUS5590001ADec 31, 1996
Breather filter unit for magnetic disk drive
FUJITSU LTD52 citations95
US5995321ANov 30, 1999
Carriage structure for disk device
FUJITSU LTD25 citations92
US5886851AMar 23, 1999
Frame structure of a disk drive for improved heat dissipation and a disk drive that uses such a frame structure
FUJITSU LTD24 citations92
US5877915AMar 2, 1999
Ventilation structure of a cover for a disk drive
FUJITSU LTD25 citations92
US5764435AJun 9, 1998
Breather filter unit for magnetic disk drive
FUJITSU LTD25 citations92
US5541788AJul 30, 1996
Magnetic disk drive and flexible printed circuit board
FUJITSU LTD32 citations92
US5859746AJan 12, 1999
Magnetic disk drive and flexible printed board used in such drive
FUJITSU LTD21 citations91
US5583720ADec 10, 1996
Magnetic disk drive and flexible printed board used in such drive
FUJITSU LTD33 citations91
US5673159ASep 30, 1997
Magnetic disk apparatus
FUJITSU LTD14 citations73
US5172287ADec 15, 1992
Magnetic disc apparatus having uniform torque imparting means for imparting uniform torque irrespective of rotational position of a head arm
FUJITSU LTD13 citations73
US5602701AFeb 11, 1997
Head actuator for magnetic disk drive unit
FUJITSU LTD4 citations62
JAPAN ENERGY CORP
5 patentsUS7938955B2May 10, 2011
Method for producing super-low sulfur gas oil blending component or super-low sulfur gas oil composition, and super-low sulfur gas oil composition
JAPAN ENERGY CORP35 citations92
US6383974B1May 7, 2002
Hydrorefining catalyst and method for manufacturing hydrorefining catalyst
JAPAN ENERGY CORP25 citations89
US6551500B1Apr 22, 2003
Hydrocracking catalyst, producing method thereof, and hydrocracking method
JAPAN ENERGY CORP15 citations80
US6576119B2Jun 10, 2003
Method of producing middle distillate products by two-stage hydrocracking and hydrocracking apparatus
JAPAN ENERGY CORP13 citations79
US8012342B2Sep 6, 2011
Lubricant base oil and method of producing the same
JAPAN ENERGY CORP3 citations60