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 326–350 of 520 patents

Patent #TitleCo-InventorsDate
7436627 Magnetic head for perpendicular magnetic recording and method of manufacturing same Hironori Araki, Hiroyuki Itoh, Kazuo Ishizaki 2008-10-14
7433151 Method of manufacturing magnetic head using magnetic head sub-structure with indicators for indicating the location of the ABS Hiroyuki Itoh, Shigeki Tanemura, Hironori Araki 2008-10-07
7417825 Thin film magnetic head structure, adapted to manufacture a thin film magnetic head Hironori Araki, Shigeki Tanemura, Hiroyuki Ito, Lijie Guan 2008-08-26
7408740 Thin film magnetic head for perpendicular magnetic recording having a main pole with plural grooves in a lower surface thereof and manufacturing method therefore Takehiro Kamigama, Tatsushi Shimizu 2008-08-05
7392578 Thin film magnetic head and manufacturing method thereof Takehiro Kamigama 2008-07-01
7394621 Using bilayer lithography process to define neck height for PMR Donghong Li 2008-07-01
7375925 Magnetic head for perpendicular magnetic recording and method of manufacturing same Hiroyuki Itoh, Hironori Araki, Shigeki Tanemura, Kazuo Ishizaki 2008-05-20
7369361 Magnetic head and magnetic head substructure including resistor element whose resistance corresponds to the length of the track width defining portion of the pole layer Hiroyuki Itoh, Dong-Hong Li, Hironori Araki, Kazuo Ishizaki 2008-05-06
7365942 Thin-film magnetic head Hiroyuki Itoh, Takehiro Kamigama, Tatsushi Shimizu 2008-04-29
7360301 Method of manufacturing a thin film magnetic head Takehiro Kamigama 2008-04-22
7336442 Magnetic head and method of manufacturing same, and magnetic head substructure Hiroyuki Itoh, Hironori Araki, Kazuo Ishizaki 2008-02-26
7333296 Magnetic head for perpendicular magnetic recording including pole-layer-encasing layer that opens in the top surface thereof and nonmagnetic conductive layer disposed on the top surface of the pole-layer-encasing layer Hironori Araki, Shigeki Tanemura, Takehiro Horinaka 2008-02-19
7313863 Method to form a cavity having inner walls of varying slope Donghong Li 2008-01-01
7308753 Method of manufacturing slider of thin-film magnetic head Takehiro Kamigama 2007-12-18
7275305 Method of manufacturing a thin-film magnetic head Tohru Inoue 2007-10-02
7249408 Method of manufacturing a thin-film magnetic head Takehiro Kamigama, Hironori Araki 2007-07-31
7240418 Method of manufacturing slider of thin-film magnetic head Hiroyuki Itoh, Takehiro Kamigama 2007-07-10
7239479 Thin film magnetic head and manufacturing method thereof Takehiro Kamigama 2007-07-03
7227719 Thin film magnetic head and method of manufacturing the same Takehiro Kamigama 2007-06-05
7227720 Magnetic head for perpendicular magnetic recording and method of manufacturing same Hiroyuki Itoh 2007-06-05
7210217 Method of manufacturing thin film magnetic head Takehiro Kamigama 2007-05-01
7193816 Magnetic head for perpendicular magnetic recording and method of manufacturing same Hiroyuki Itoh, Dong-Hong Li, Po-Kang Wang, Lijie Guan 2007-03-20
7185416 Method of manufacturing a slider for a thin-film magnetic head Takehiro Kamigama 2007-03-06
7173792 Thin-film magnetic head having a cooling layer formed coplanar with a lower pole and from the same material as the lower pole 2007-02-06
7168156 Method of manufacturing a thin-film magnetic head Takehiro Kamigama 2007-01-30