HI

Hiroyuki Itoh

HT Headway Technologies: 53 patents #26 of 309Top 9%
HI Hitachi: 43 patents #413 of 28,497Top 2%
Nsk: 26 patents #25 of 1,559Top 2%
S( Sae Magnetics (H.K.): 22 patents #21 of 585Top 4%
NO Nippon Oil: 16 patents #27 of 773Top 4%
Fujitsu Limited: 15 patents #1,986 of 24,456Top 9%
MI Mitsui Toatsu Chemicals, Incorporated: 15 patents #51 of 1,543Top 4%
Tdk: 9 patents #675 of 3,796Top 20%
SS Sumitomo Wiring Systems: 4 patents #805 of 2,615Top 35%
MC Meiji Milk Products Co.: 4 patents #8 of 143Top 6%
DE Denso: 3 patents #3,857 of 11,792Top 35%
JR Japan Synthetic Rubber: 3 patents #110 of 558Top 20%
SO Sony: 2 patents #12,963 of 25,231Top 55%
SC Sankyo Holdings Co.: 2 patents #300 of 700Top 45%
DN Dsm N.V.: 2 patents #144 of 669Top 25%
Canon: 2 patents #12,681 of 19,416Top 70%
OC Ono Pharmaceutical Co.: 2 patents #224 of 559Top 45%
HC Hitachi Instruments Engineering Co.: 2 patents #8 of 126Top 7%
NE Nec Electronics: 1 patents #715 of 1,789Top 40%
HK Hks: 1 patents #3 of 13Top 25%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
KO Komatsu: 1 patents #1,163 of 2,087Top 60%
MC Meiji Co.: 1 patents #75 of 202Top 40%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
TC Techno Polymer Co.: 1 patents #33 of 68Top 50%
TC Toyo Ink Mfg. Co.: 1 patents #227 of 499Top 50%
📍 Suita, CA: #1 of 3 inventorsTop 35%
Overall (All Time): #3,087 of 4,157,543Top 1%
208
Patents All Time

Issued Patents All Time

Showing 51–75 of 208 patents

Patent #TitleCo-InventorsDate
7375925 Magnetic head for perpendicular magnetic recording and method of manufacturing same Yoshitaka Sasaki, 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 Yoshitaka Sasaki, Dong-Hong Li, Hironori Araki, Kazuo Ishizaki 2008-05-06
7365942 Thin-film magnetic head Yoshitaka Sasaki, Takehiro Kamigama, Tatsushi Shimizu 2008-04-29
7336442 Magnetic head and method of manufacturing same, and magnetic head substructure Yoshitaka Sasaki, Hironori Araki, Kazuo Ishizaki 2008-02-26
7291956 Laminate coil and brushless motor using same Tadaaki Hourai 2007-11-06
7285507 Ceramic composition being fired at low temperature and having high strength and method for preparing the same, and laminated electronic parts using the same Tsuyoshi Fukuta, Osamu Yamada 2007-10-23
7257666 Method of writing, erasing, and controlling memory for memory device Shinpei Komatsu, Yumi Ishii, Tomohiro Hayashi, Shogo Shibazaki, Masaru Takehara 2007-08-14
7240418 Method of manufacturing slider of thin-film magnetic head Yoshitaka Sasaki, Takehiro Kamigama 2007-07-10
7227720 Magnetic head for perpendicular magnetic recording and method of manufacturing same Yoshitaka Sasaki 2007-06-05
7215464 Optical amplifier Kosuke Komaki 2007-05-08
7193816 Magnetic head for perpendicular magnetic recording and method of manufacturing same Yoshitaka Sasaki, Dong-Hong Li, Po-Kang Wang, Lijie Guan 2007-03-20
7155809 Method of manufacturing thin-film magnetic head Yoshitaka Sasaki, Takehiro Kamigama 2007-01-02
7154706 Thin-film magnetic head and method of manufacturing same Yoshitaka Sasaki, Takehiro Kamigama 2006-12-26
7151647 Thin film magnetic head and manufacturing method for creating high surface recording density and including a second yoke portion having two layers of which one is etched to form a narrow portion and a sloped flare portion Yoshitaka Sasaki, Takehiro Kamigama, Kazuo Ishizaki, Shigeki Tanemura, Hironori Araki 2006-12-19
7082672 Method of manufacturing thin-film magnetic head Yoshitaka Sasaki, Shigeki Tanemura, Kazuo Ishizaki, Takehiro Kamigama 2006-08-01
7075751 Thin-film magnetic head and method of manufacturing same Yoshitaka Sasaki, Takehiro Kamigama 2006-07-11
7062839 Method of manufacturing thin-film magnetic head Yoshitaka Sasaki, Shigeki Tanemura, Kazuo Ishizaki, Takehiro Kamigama 2006-06-20
7060207 Thin film magnetic head and magnetic recording apparatus having a lowered coil resistance value, reduced generated heat, and high-frequency Yoshitaka Sasaki, Takehiro Kamigama 2006-06-13
6994531 High-speed fluidic device Satoshi Dairokuno, Taikou Nawamoto, Hideo Okano, Takashi Baba 2006-02-07
6976302 Slider manufacturing aid Kazuo Ishizaki 2005-12-20
6940689 THIN-FILM MAGNETIC HEAD COMPRISING A FIRST POLE LAYER HAVING MULTIPLE LAYERS INCLUDING A SECOND LAYER AND A THIN-FILM COIL HAVING A PORTION DISPOSED BETWEEN THE SECOND LAYER AND A COUPLING PORTION AND METHOD OF MANUFACTURING THE THIN-FILM MAGNETIC HEAD Yoshitaka Sasaki, Takehiro Kamigama 2005-09-06
6934124 Rotating recording medium and slider of thin-film magnetic head device Yoshitaka Sasaki, Takehiro Kamigama 2005-08-23
6905437 Power roller bearing of toroidal-type continuously variable transmission unit Takashi Imanishi, Nobuo Goto, Yasuo Murakami, Tomonobu Yoshikawa 2005-06-14
6902509 Toroidal type continuously variable transmission Hisashi Machida, Kouji Ishikawa, Takashi Imanishi, Tomofumi Yamashita 2005-06-07
6894578 Irreversible circuit module including a directional coupler Yasushi Kishimoto, Hideto Horiguchi, Manabu Yumoto, Youichi Takahashi, Shinichirou Takeuchi 2005-05-17