SK

Shinji Koganezawa

Fujitsu Limited: 23 patents #1,155 of 24,456Top 5%
TD Toshiba Storage Device: 2 patents #15 of 150Top 10%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
NC Nhk Spring Co.: 1 patents #555 of 1,116Top 50%
Overall (All Time): #155,797 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
8259418 Head suspension assembly and disk device with the same 2012-09-04
8098461 Micro actuator device, head suspension assembly and storage medium driving device Yusuke Nojima 2012-01-17
8006562 Atmospheric pressure measuring apparatus and method of measuring atmospheric pressure Yoshitaka Suzuki, Takahiro Imamura 2011-08-30
7551399 Head suspension including flexure having as elastic bending section Takuma Kido, Keiji Aruga, Toru Watanabe 2009-06-23
7215068 Piezoelectric actuator head suspension unit employing piezoelectric actuator, and magnetic disk drive employing head suspension unit Hideki Kashima 2007-05-08
7154702 Head actuator Hiroshi Takekawa, Tomoyoshi Yamada 2006-12-26
7126782 Acceleration sensor and disk drive employing it 2006-10-24
7095591 Head slider having microactuator Takahiro Imamura, Yukihiro Uematsu, Hitoshi Kanai, Ryosuke Koishi, Takeaki Shimanouchi 2006-08-22
7085092 Head slider receiving variable urging force in recording medium drive 2006-08-01
7061724 Disc drive magnetic head fine positioning mechanism including a base connecting a suspension to an arm, and having a piezoelectric drive element adjacent thereto 2006-06-13
6741012 Piezoelectric actuator Kenichi Makino, Shuichi Heya, Shinji Hiraoka 2004-05-25
6724560 Head assembly employing microactuator in recording medium drive Takahiro Imamura 2004-04-20
6697211 Magnetic head drive device 2004-02-24
6671120 Head carriage assembly drive system and disk drive Tomoyoshi Yamada 2003-12-30
6538854 Actuator using piezoelectric element and head-positioning mechanism using the actuator Tomoyoshi Yamada, Yukihiro Uematsu, Tadayoshi Noguchi, Hisashi Nakano, Ryuma Sakamoto +2 more 2003-03-25
6532138 Mechanism for producing minute movement of a head of a disk device 2003-03-11
6498706 Dual driving unit for a magnetic head carriage assembly and magnetic disk drive Hiroshi Takekawa 2002-12-24
6392848 Head carriage assembly and disk device incorporating thereof 2002-05-21
6327120 Actuator using piezoelectric element and head-positioning mechanism using the actuator Toru Kohei, Tomoyoshi Yamada, Yukihiro Uematsu, Tadayoshi Noguchi, Hisashi Nakano +3 more 2001-12-04
6081990 Method for incorporating disk media into magnetic disk drive Yasumasa Kuroba, Tomoyoshi Yamada, Toru Kohei, Mitsuaki Yoshida, Hiroyuki Iwahara 2000-07-04
6064550 Head actuator with dual drive means 2000-05-16
6025973 Construction for attaching a disk in a disk drive Yoshifumi Mizoshita, Tomoyoshi Yamada, Yasumasa Kuroba, Toru Kouhei, Takao Sugawara +4 more 2000-02-15
6016237 Shaft construction of a disk drive Yoshifumi Mizoshita, Tomoyoshi Yamada, Yasumasa Kuroba, Toru Kouhei, Takao Sugawara +4 more 2000-01-18
5880904 Disk drive having a thickness equal to an IC memory card Yoshifumi Mizoshita, Tomoyoshi Yamada, Yasumasa Kuroba, Toru Kouhei, Takao Sugawara +4 more 1999-03-09
5781381 Double-driving head actuator Yoshifumi Mizoshita 1998-07-14