MO

Mutsuro Ohta

HG HGST: 13 patents #117 of 1,677Top 7%
IBM: 11 patents #9,995 of 70,183Top 15%
HB Hgst Netherlands, B.V.: 3 patents #257 of 972Top 30%
WT Western Digital Technologies: 2 patents #1,273 of 3,180Top 45%
Overall (All Time): #131,870 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
9747956 Base for protecting external welds of hermetically sealed electronic devices Jiro Kaneko, Gantaro Nakamura, Koichi Suzuki, Naoshi Mizumoto, Naoaki Kanada +1 more 2017-08-29
9672870 Sealed bulkhead electrical feed-through X-Y positioning control Naoshi Mizumoto, Naoaki Kanada, Gentaro Nakamura 2017-06-06
8699166 Magnetic head drive device with micro-actuators of end arms rotating in a direction opposite micro-actuators of intermediate arms Kenji Suzuki, Shinsuke Nakagawa, Toshihiko Shimizu, Eiji Soga, Takaaki Deguchi 2014-04-15
8514523 Flexible-printed-circuit voice-coil assembly configured for integration in a voice-coil motor Kenji Suzuki, Takaaki Deguchi, Fu-Ying Huang, Shinsuke Nakagawa 2013-08-20
8467152 Actuator latching mechanism for magnetic disk drive Takeshi Chawanya, Masakazu Sasaki 2013-06-18
8305714 Voice-coil motor with voice coils configured oriented in the same direction and substantially overlayed to reduce head vibrations in a disk drive Kenji Suzuki, Hiromitsu Masuda, Eiji Soga, Takaaki Deguchi 2012-11-06
8289657 Actuator mechanism for magnetic disk drive Masakazu Sasaki, Takeshi Chawanya, Kenji Suzuki 2012-10-16
8009390 Head gimbal assembly with recessed portion and manufacturing method thereof Takaaki Deguchi, Shinichi Kimura, Hiroshi Matsuda 2011-08-30
7830639 Data storage device and disk drive Takaaki Deguchi, Hiroshi Matsuda, Katsuhiko Ohta, Shinichi Kimura 2010-11-09
7787218 Data storage device Takaaki Deguchi, Shingo Tsuda, Taichi Nakamura 2010-08-31
7609483 Data storage device with load/unload tab inclined towards a disk Takaaki Deguchi, Hiroshi Matsuda 2009-10-27
7570455 Data storage device and magnetic disk drive in hermetically sealed condition Takaaki Deguchi, Kanako Abe, Akira Morita 2009-08-04
7564645 Rotating disk storage device with mounting structure and enhanced fixing mechanism Shingo Tsuda, Akira Morita 2009-07-21
7450347 Head suspension with bridge portion separating apertures near lift tab Kohichi Suzuki, Shingo Tsuda, Hiroyasu Tsuchida, Akihiro Aoyagi 2008-11-11
7203034 Using eddy-currents for releasing actuator suspension assembly of rotary disk storage device Takeshi Chawanya, Satoshi Hayakawa 2007-04-10
7030527 Data storage device with mechanism to control rotation of spindle motor Shingo Tsuda, Hiroki Kitahori, Kazutaka Okasaka 2006-04-18
6952323 System and method of constraining vibration in a disk drive unit and motor device Yoshihiro Hirasaka, Takaaki Deguchi 2005-10-04
6900956 Disk device and data-erasing method Hiroki Kitahori, Kenji Kuroki, Hiroshi Matsuda, Satoshi Noguchi, Keishi Takahashi +1 more 2005-05-31
6639758 Disk drive apparatus including a load/unload ramp with different angles for standard and depopulated versions Hiroshi Matsuda, Takahide Nakamura, Keishi Takahashi 2003-10-28
6636380 Hard disk drive Dale C. Goeke, Koichi Takeuchi, Shingo Tsuda 2003-10-21
6633452 Disk drive apparatus, hard disk drive, and enclosure for hard disk drive Yoshihiro Hirasaka, Keishi Takahasi, Kohji Serizawa 2003-10-14
6532137 Head assembly, disk drive apparatus, hard disk drive and method for manufacturing disk drive apparatus Fu-Ying Huang, Keishi Takahashi, Kohichi Takeuchi 2003-03-11
6507461 Inertial latch for an actuator in a disk drive device Shinichi Kimura, Jun Ishikawa, Kohji Takahashi 2003-01-14
6137658 Apparatus for guiding and locking a rotary actuator Shinichi Matsuzaki, Kohji Serizawa, Keishi Takahashi 2000-10-24
6034843 Actuator arm assembly and wiring aparatus used in a disk storage system for wiring voice coil wires to a flex cable Hitoshi Tsujino, David W. Albrecht 2000-03-07