HY

Hiroaki Yoda

KT Kabushiki Kaisha Toshiba: 207 patents #12 of 21,451Top 1%
HI Hitachi: 13 patents #3,142 of 28,497Top 15%
SC Sumitomo Chemical: 4 patents #1,124 of 4,033Top 30%
SH Sk Hynix: 2 patents #2,373 of 4,849Top 50%
Toshiba Memory: 2 patents #853 of 1,971Top 45%
HT Hitachi Plant Technologies: 2 patents #55 of 279Top 20%
TH Ttec Holdings: 1 patents #4 of 10Top 40%
NU National University Corporation Tohoku University: 1 patents #86 of 170Top 55%
Overall (All Time): #2,329 of 4,157,543Top 1%
235
Patents All Time

Issued Patents All Time

Showing 176–200 of 235 patents

Patent #TitleCo-InventorsDate
6751846 Magnetic head manufacturing method Susumu Hashimoto, Michiko Hara, Tomohiko Nagata, Kohichi Tateyama, Masatoshi Yoshikawa +3 more 2004-06-22
6750469 Phase change nonvolatile storage device and drive circuit Katsutaro Ichihara 2004-06-15
6741431 Magnetic head and magnetic recording/reproduction device Tomomi Funayama, Yuichi Osawa, Masatoshi Yoshikawa 2004-05-25
6717845 Magnetic memory Yoshiaki Saito, Katsuya Nishiyama, Shigeki Takahashi, Minoru Amano, Tomomasa Ueda +3 more 2004-04-06
6665143 Magnetic head, method for producing same, and magnetic recording and/or reproducing system Yuichi Osawa, Tomomi Funayama 2003-12-16
6606225 Yoke-type magnetic head and device having a granular structure in which a non-magnetic and electrical insulating material surrounds magnetic particles Tomomi Funayama, Yuichi Osawa, Masatoshi Yoshikawa 2003-08-12
6564445 Magnetic head manufacturing method Susumu Hashimoto, Michiko Hara, Tomohiko Nagata, Kohichi Tateyama, Masatoshi Yoshikawa +3 more 2003-05-20
6495275 Multi-layered thin-film functional device and magnetoresistance effect element Yuzo Kamiguchi, Akiko Saito, Katsuhiko Koui, Masatoshi Yoshikawa, Hiromi Yuasa +4 more 2002-12-17
6414818 Magnetic head and magnetic disk apparatus using the same Kazushi Tanimoto, Shigeru Hoshina, Hiromi Sakata 2002-07-02
6369992 Yoke-type head with magneto-resistance effect film recessed from medium facing surface and extending across magnetic gap Atsuhito Sawabe, Hitoshi Iwasaki, Yuichi Ohsawa, Masashi Sahashi, Tadahiko Kobayashi 2002-04-09
6362940 Recording-reproducing magnetic head Atsuhito Sawabe, Hitoshi Iwasaki, Naoyuki Inoue, Akio Hori 2002-03-26
6333840 Magnetic recording apparatus Tadahiko Kobayashi, Kohichi Tateyama, Hiromi Sakata 2001-12-25
6307708 Exchange coupling film having a plurality of local magnetic regions, magnetic sensor having the exchange coupling film, and magnetic head having the same Masatoshi Yoshikawa, Yuichi Ohsawa, Tomomi Funayama 2001-10-23
6305072 Method for manufacturing thin film magnetic head Susumu Hashimoto, Michiko Hara, Masashi Sahashi 2001-10-23
6304415 Magnetic head Kohichi Tateyama, Tadahiko Kobayashi, Hiromi Sakata, Michiko Hara, Akio Hori +2 more 2001-10-16
6303218 Multi-layered thin-film functional device and magnetoresistance effect element Yuzo Kamiguchi, Akiko Saito, Katsuhiko Koui, Masatoshi Yoshikawa, Hiromi Yuasa +4 more 2001-10-16
6285528 Thin-film magnetic head Junichi Akiyama 2001-09-04
6285531 Magnetic head with magneto-resistance effect element disposed on opposite side of magnetic core pair from recording coil Yuichi Ohsawa, Akio Hori, Masatoshi Yoshikawa, Masashi Sahashi 2001-09-04
6256863 Yoke type magnetoresistance head and manufacturing method of the same Kazuhiro Saito, Akiko Saito, Hitoshi Iwasaki, Akihiko Tsutai, Tadahiko Kobayashi +3 more 2001-07-10
6256171 Thin film magnetic head having an improved heat dispersion and magnetic recording apparatus using the same Akio Hori, Yuichi Ohsawa, Masashi Sahashi, Masatoshi Yoshikawa, Miki Mori 2001-07-03
6198597 Thin-film magnetic head having improved magnetic pole structure Kohichi Tateyama, Atsuhito Sawabe, Naoyuki Inoue, Akio Hori, Tadahiko Kobayashi +6 more 2001-03-06
6195233 Perpendicular thin-film magnetic head Junichi Akiyama 2001-02-27
6172858 Thin film head Yuichi Ohsawa, Kohichi Tateyama, Reiko Kondoh, Toshihiko Ohta, Junichi Akiyama +1 more 2001-01-09
6157525 Magnetic head Hitoshi Iwasaki, Reiko Kondoh, Yuichi Ohsawa, Yuzo Kamiguchi, Susumu Hashimoto 2000-12-05
6139745 Purification apparatus Takashi Mizumori, Koichi Tsuzuki, Junichi Kobayashi, Takeo Takagi, Kazuo Kobayashi 2000-10-31