HK

Hideki Kuwajima

Sumitomo Electric Industries: 63 patents #97 of 21,551Top 1%
Tdk: 13 patents #431 of 3,796Top 15%
PA Panasonic: 7 patents #3,841 of 21,108Top 20%
S( Sae Magnetics (H.K.): 2 patents #193 of 585Top 35%
Overall (All Time): #23,897 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 26–50 of 78 patents

Patent #TitleCo-InventorsDate
7193820 Head actuator having dummy weight used to coincide mass and swing movement centers Takashi Honda, Katsuki Kurihara, Takeshi Wada, Kaoru Matsushita 2007-03-20
7170717 Head suspension assembly and disk drive using the same Zhisheng Deng, Hideyuki Hashi, Mitsuhisa Yoshimura 2007-01-30
7149059 Head supporting device and disk apparatus Hideyuki Hashi 2006-12-12
7146623 Head support device and it's driving method, and drive disk using same Kaoru Matsuoka 2006-12-05
7141911 Driving method of piezoelectric actuator, piezoelectric actuator, and disk recording and reproducing apparatus using the same Hiroyuki Kita 2006-11-28
7119992 Disk drive system with inertial arm preventing shock Makoto Miyamoto 2006-10-10
7110221 Disk drive Hiromi Kita, Shigeo Obata 2006-09-19
7106557 Head supporting mechanism Kaoru Matsuoka 2006-09-12
7095593 Apparatus with head and head support device having rotation supporting point Yoshihiro Ueno, Zhisheng Deng 2006-08-22
7088557 Head supporting device and disk drive unit using the same Makoto Miyamoto, Kenichi Sakamoto 2006-08-08
7084536 Fluid bearing motor, and disk drive mounted with same Shigeo Obata, Kaoru Matsuoka, Kenichi Miyamori, Hiromitsu Noda 2006-08-01
7072149 Head support mechanism and thin film piezoelectric actuator Kaoru Matsuoka 2006-07-04
7072150 Head support mechanism and thin film piezoelectric actuator Kaoru Matsuoka 2006-07-04
7068474 Thin film piezoelectric element; actuator, head support mechanism, and disc recording and reproducing device using the thin film piezoelectric element; and method of manufacturing the thin film piezoelectric element Hirokazu Uchiyama, Yuko Ogawa 2006-06-27
7068469 Head supporting assembly, head driving assembly, and disk drive apparatus Zhisheng Deng 2006-06-27
7046484 Magnetic head supporting device having dummy weight used to coincide mass and swing movement centers Takashi Honda, Katsuki Kurihara, Takeshi Wada, Kaoru Matsushita 2006-05-16
7046485 Piezoelectric actuator, disk drive using the same and manufacturing method thereof Kaoru Matsuoka, Hirokazu Uchiyama 2006-05-16
7035054 Magnetic head apparatus, magnetic head supporting mechanism and magnetic recording apparatus having an improved impact resistance Takashi Honda, Katsuki Kurihara, Yoshihiro Ueno 2006-04-25
7031099 Head positioner and information recording/replaying apparatus Hiroshi Kohso, Toshio Inaji 2006-04-18
7027267 Head support mechanism and thin film piezoelectric actuator Kaoru Matsuoka 2006-04-11
7006335 Head support mechanism and thin film piezoelectric actuator Kaoru Matsuoka 2006-02-28
6992863 Disk drive apparatus Yoshihiro Ueno, Makoto Miyamoto 2006-01-31
6965492 Rotor assembly, information-recording/-reproducing device using the rotor assembly and method of assembling the rotor assembly Shigeo Obata, Kaoru Matsuoka, Koichi Shinohara, Yoshihiro Ueno, Tatsuhiko Inagaki +1 more 2005-11-15
6964086 Method of manufacturing thin film piezoelectric element, and element housing jig Hirosuke Mikami, Hirokazu Uchiyama 2005-11-15
6963473 Head arm assembly and disk drive device with the head arm assembly having enhanced impact resistance Takashi Honda, Katsuki Kurihara, Takeshi Wada, Kai Wu, Kaoru Matsuoka 2005-11-08