YS

Yoshitaka Sasaki

HT Headway Technologies: 342 patents #1 of 309Top 1%
S( Sae Magnetics (H.K.): 185 patents #1 of 585Top 1%
Tdk: 149 patents #3 of 3,796Top 1%
Canon: 23 patents #2,685 of 19,416Top 15%
NC Nhk Spring Co.: 10 patents #50 of 1,116Top 5%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
TO Toshiba: 5 patents #173 of 2,688Top 7%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
IC Ishikawajima-Harima Heavy Industries Co.: 2 patents #134 of 611Top 25%
SL Sae Magnetics (Hong Kong) Limited: 1 patents #9 of 34Top 30%
IC Imasen Electric Industrial Co.: 1 patents #13 of 45Top 30%
YE Yokogawa Electric: 1 patents #658 of 1,441Top 50%
📍 Kawasaki, CA: #1 of 98 inventorsTop 2%
Overall (All Time): #354 of 4,157,543Top 1%
520
Patents All Time

Issued Patents All Time

Showing 301–325 of 520 patents

Patent #TitleCo-InventorsDate
7633714 Magnetic head for perpendicular magnetic recording and method of manufacturing same Hiroyuki Itoh, Tatsushi Shimizu, Tatsuya Shimizu 2009-12-15
7628071 Sensing unit and method of making same Tatsushi Shimizu, Takehiro Horinaka, Kazuo Ishizaki, Shigeki Tanemura 2009-12-08
7630172 Thin film magnetic head Takehiro Kamigama 2009-12-08
7621717 Suction filter, turbo compressor, and method of packaging the compressor Toshimichi Taketomi, Kazumitsu Hasegawa, Yoshiyuki Ogawa 2009-11-24
7617589 Method of manufacturing slider of thin-film magnetic head Takehiro Kamigama 2009-11-17
7609479 Magnetic head for perpendicular magnetic recording and method of manufacturing same Hiroyuki Itoh, Dong-Hong Li, Joseph Smyth, Lijie Guan, Yaw-Shing Tang 2009-10-27
7603764 Method of manufacturing a thin film magnetic head 2009-10-20
7589874 Color processing method and apparatus thereof 2009-09-15
7580222 Thin-film magnetic head, a head gimbal assembly and hard disk drive Lijie Guan, Hiroyuki Ito 2009-08-25
7558020 Thin-film magnetic head structure having a magnetic pole tip with an even width portion method of manufacturing thereof, and thin-film magnetic head having a magnetic pole tip with an even width portion Hironori Araki, Hiroyuki Ito 2009-07-07
7557439 Layered chip package that implements memory device Hiroyuki Ito, Tatsuya Harada, Nobuyuki Okuzawa, Satoru Sueki, Ryuji Hashimoto 2009-07-07
7549216 Method of manufacturing a thin film magnetic head Takehiro Kamigama, Hiroyuki Itoh 2009-06-23
7551394 Magnetic head for perpendicular magnetic recording having a multilayer shield structure and method of manufacturing same Hiroyuki Itoh, Shigeki Tanemura, Hironori Araki, Dong-Hong Li, Tatsushi Shimizu +1 more 2009-06-23
7526857 Method of manufacturing thin-film magnetic head Takehiro Kamigama 2009-05-05
7516538 Method of manufacturing a magnetic head for perpendicular magnetic recording Hiroyuki Itoh, Shigeki Tanemura, Hironori Araki 2009-04-14
7518824 Magnetic head for perpendicular magnetic recording that has a pole layer having a shape for easy forming, reducing track width and improved writing characteristics Hiroyuki Itoh, Hironori Araki, Takehiro Horinaka, Shigeki Tanemura 2009-04-14
7508629 Magnetic head for perpendicular magnetic recording that has a structure to suppress protrusion of an end portion of a shield layer resulting from heat generated by a coil, and method of manufacturing same Hiroyuki Itoh, Dong-Hong Li, Shigeki Tanemura, Hironori Araki 2009-03-24
7492555 Thin-film magnetic head structure, method of manufacturing the same, and thin-film magnetic head Hiroyuki Ito, Takehiro Kamigama, Tatsushi Shimizu, Hironori Araki, Shigeki Tanemura +1 more 2009-02-17
7472471 Method of manufacturing magnetic head for perpendicular magnetic recording Hironori Araki, Shigeki Tanemura, Takehiro Horinaka 2009-01-06
7468864 Magnetic head for perpendicular magnetic recording and method of manufacturing same Dong-Hong Li, Shigeki Tanemura, Hiroyuki Itoh 2008-12-23
7468862 Magnetic head for perpendicular magnetic recording Hiroyuki Itoh, Joseph Smyth 2008-12-23
7468863 Thin-film magnetic head structure adapted to manufacture a thin-film head having a base magnetic pole part, a yoke magnetic pole part, and an intervening insulative film Hiroyuki Ito, Kazuo Ishizaki, Takehiro Horinaka 2008-12-23
7463450 Thin film magnetic head Hiroyuki Itoh, Takehiro Kamigama, Tatsushi Shimizu 2008-12-09
7463448 Thin film magnetic head having upper and lower poles and a gap film within a trench Takehiro Kamigama, Tatsushi Shimizu 2008-12-09
7440229 Thin-film magnetic head having a write shield layer Lijie Guan, Hiroyuki Ito, Dong-Hong Li 2008-10-21