MS

Masashi Shiraishi

S( Sae Magnetics (H.K.): 99 patents #3 of 585Top 1%
Tdk: 44 patents #58 of 3,796Top 2%
SO Sony: 13 patents #3,381 of 25,231Top 15%
NC Nhk Spring Co.: 5 patents #150 of 1,116Top 15%
NM Nippon Mektron: 2 patents #76 of 286Top 30%
Brother Kogyo: 1 patents #2,155 of 2,767Top 80%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
Overall (All Time): #5,724 of 4,157,543Top 1%
156
Patents All Time

Issued Patents All Time

Showing 26–50 of 156 patents

Patent #TitleCo-InventorsDate
7554773 Micro-actuator, head gimbal assembly and disk drive unit with the same Li Zhu, Ming Gao Yao 2009-06-30
7551405 Rotational PZT micro-actuator with fine head position adjustment capacity, head gimbal assembly, and disk drive unit with same MingGao Yao 2009-06-23
7551386 Head gimbal assembly with flying height controller, disk drive unit using the same, and flying height adjusting method and system thereof MingGao Yao 2009-06-23
7542242 FPC with via holes with filler being welded to suspension and drive apparatus Hiroyoshi Nakajima, Ichiro Yagi 2009-06-02
7535681 Micro-actuator including side arms having back-turned extensions, head gimbal assembly and disk drive unit with the same MingGao Yao 2009-05-19
7525769 Micro-actuator having swing support to allow horizontal swinging movement of slider support Ming Gao Yao 2009-04-28
7525763 Head gimbal assembly with particle filter device, and disk drive unit with the same MingGao Yao 2009-04-28
7522383 System and method for damage prevention by improving the shock resistance of a hard disk actuator arm MingGao Yao, Yiru Xie 2009-04-21
7508634 Micro-actuator, vibration canceller, head gimbal assembly, and disk drive unit with the same MingGao Yao 2009-03-24
7501737 Method and mechanism of PZT micro-actuator attachment for the hard disk driver arm Ming Gao Yao, Yi Xie 2009-03-10
7474512 Miro-actuator, head gimbal assembly, and disk drive unit with the same MingGao Yao, Yiru Xie 2009-01-06
7468869 Micro-actuator, micro-actuator suspension, and head gimbal assembly with the same MingGao Yao 2008-12-23
7446970 Magnetic head assembly, magnetic disk drive and posture control method for magnetic head slider Hiroyoshi Nakajima 2008-11-04
7440216 Rotary piezoelectric microactuator with an optimum suspension arrangement Kai Wu, Tamon Kasajima, Ping Shang 2008-10-21
7433159 Micro-actuator unit, head gimbal assembly, and disk drive unit with vibration canceller MingGao Yao 2008-10-07
7420770 Magnetic disk drive apparatus having first and second connection sections electronically conducted by pressure contact Yiu Sing Ho, Takehiro Kamigama 2008-09-02
7417831 Micro-actuator and head gimbal assembly for a disk drive device MingGao Yao 2008-08-26
7408745 Sway-type micro-actuator with slider holding arms for a disk drive head gimbal assembly MingGao Yao 2008-08-05
7379274 Rotational PZT micro-actuator, head gimbal assembly, and disk drive unit with the same Ming Gao Yao 2008-05-27
7377190 Method and mechanism of the suspension resonance optimization for the hard disk driver Ming Gao Yao 2008-05-27
7369355 Magnetic disk drive apparatus and manufacturing method of magnetic disk drive apparatus Yiu Sing Ho, Takehiro Kamigama 2008-05-06
7359154 Method and apparatus for connecting a micro-actuator to driver arm suspension Ming Gao Yao 2008-04-15
7339766 System and method for a subambient pressure air bearing slider utilizing negative pressure grooves Ming Gao Yao, Yi Xie 2008-03-04
7315434 Magnetic disk drive apparatus support arm fixing structure Yiu Sing Ho, Takehiro Kamigama 2008-01-01
7312956 Micro-actuator, head gimbal assembly, and disk drive unit with the same MingGao Yao 2007-12-25