Inventor
HATTORI TOSHIRO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “HATTORI TOSHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
8 patentsUS5465183ANov 7, 1995
Control system for positioning head in disk device by estimating and correcting actuator parameters based on head position and actuator drive current obtained by vibrating the head
NEC CORP59 citations95
US6043957AMar 28, 2000
Head positioning mechanism for magnetic disk device provided with micro tracking actuator using magnetic force and drive control method therefor
NEC CORP36 citations92
US5867342AFeb 2, 1999
Tracking servo system for magnetic disc drive with reduced head-settling time
NEC CORP27 citations92
US6510016B1Jan 21, 2003
Head positioning control system for disk drive
NEC CORP10 citations73
US6414812B1Jul 2, 2002
Medium replacement type disc apparatus
NEC CORP10 citations73
US6342987B1Jan 29, 2002
Head positioning mechanism for magnetic disk device provided with micro tracking actuator using magnetic force drive control method therefor
NEC CORP9 citations73
US6320720B1Nov 20, 2001
Head-positioning system with an improved fine tracking actuator control scheme
NEC CORP9 citations73
US6061208AMay 9, 2000
Magnetic disc device with stopper on carriage to limit rotational movement of support spring
NEC CORP14 citations73
MAEKAWA SEISAKUSHO KK
5 patentsUS6202424B1Mar 20, 2001
System for compressing contaminated gas
MAEKAWA SEISAKUSHO KK29 citations92
US7165947B2Jan 23, 2007
Screw compressor capable of manually adjusting both internal volume ratio and capacity and combined screw compressor unit accommodating variation in suction or discharge pressure
MAEKAWA SEISAKUSHO KK14 citations84
US6659729B2Dec 9, 2003
Screw compressor equipment for accommodating low compression ratio and pressure variation and the operation method thereof
MAEKAWA SEISAKUSHO KK16 citations84
US6881040B2Apr 19, 2005
Multi-stage screw compressor unit accommodating high suction pressure and pressure fluctuations and method of operation thereof
MAEKAWA SEISAKUSHO KK9 citations74
US6585801B2Jul 1, 2003
Operating method of gas engine accommodating to sour gas and the system thereof
MAEKAWA SEISAKUSHO KK2 citations50