YI

Yukinori Ikegawa

HT Headway Technologies: 38 patents #36 of 309Top 15%
Fujitsu Limited: 12 patents #2,592 of 24,456Top 15%
S( Sae Magnetics (H.K.): 5 patents #87 of 585Top 15%
📍 Milpitas, CA: #68 of 3,192 inventorsTop 3%
🗺 California: #7,932 of 386,348 inventorsTop 3%
Overall (All Time): #54,183 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 26–50 of 50 patents

Patent #TitleCo-InventorsDate
9218827 Thermally-assisted magnetic recording head including a return path section Yoshitaka Sasaki, Kazuki Sato, Hiroyuki Ito, Hideo Mamiya, Hironori Araki 2015-12-22
9218835 Thermally-assisted magnetic recording head including a heat sink Yoshitaka Sasaki, Hiroyuki Ito, Kazuki Sato, Seiichiro Tomita, Hideo Mamiya 2015-12-22
9082422 Magnetic head for perpendicular magnetic recording including a main pole and a write shield to provide improved write characteristics without compromising the function of the write shield Yoshitaka Sasaki, Hiroyuki Ito, Kazuki Sato, Shigeki Tanemura, Hironori Araki +1 more 2015-07-14
9076465 Magnetic head including a first and second insulating film between a coil element and a write shield Yoshitaka Sasaki, Hiroyuki Ito, Kazuki Sato, Shigeki Tanemura, Hironori Araki +1 more 2015-07-07
9030776 Magnetic head for perpendicular magnetic recording including a main pole and a shield Yoshitaka Sasaki, Hiroyuki Ito, Kazuki Sato, Shigeki Tanemura, Hironori Araki +1 more 2015-05-12
8947986 Heat sink for thermally assisted magnetic recording (TAMR) Hironori Araki, Yoshitaka Sasaki, Hiroyuki Ito, Shigeki Tanemura, Seiichiro Tomita 2015-02-03
8867169 Magnetic head for perpendicular magnetic recording having a main pole and a shield Yoshitaka Sasaki, Hiroyuki Ito, Shigeki Tanemura, Kazuki Sato, Atsushi Iijima +1 more 2014-10-21
8691102 Method of manufacturing plasmon generator Hironori Araki, Yoshitaka Sasaki, Hiroyuki Ito, Seiichiro Tomita, Shigeki Tanemura 2014-04-08
8576674 Plasmon generator including two portions made of different metals Yoshitaka Sasaki, Hiroyuki Ito, Shigeki Tanemura, Hironori Araki, Kazuki Sato 2013-11-05
8465658 Method of forming main pole of thermally-assisted magnetic recording head Hironori Araki, Yoshitaka Sasaki, Hiroyuki Ito, Kazuki Sato, Shigeki Tanemura 2013-06-18
8461050 Taper-etching method and method of manufacturing near-field light generator Hironori Araki, Yoshitaka Sasaki, Hiroyuki Ito, Kazuki Sato, Shigeki Tanemura 2013-06-11
8416528 Magnetic head for perpendicular magnetic recording having a return path section Yoshitaka Sasaki, Hiroyuki Ito, Shigeki Tanemura, Kazuki Sato, Atsushi Iijima +1 more 2013-04-09
8400884 Method of manufacturing plasmon generator Hironori Araki, Yoshitaka Sasaki, Hiroyuki Ito, Kazuki Sato, Shigeki Tanemura 2013-03-19
6809902 Thin film magnetic head and method of manufacturing the same 2004-10-26
6751052 Thin film magnetic head with short lower magnetic pole piece Ikuya Tagawa, Tomoko Kutsuzawa, Syuji Nishida, Teruo Kiyomiya, Yoshinori Ohtsuka +4 more 2004-06-15
6614620 Thin film magnetic head Ikuya Tagawa, Tomoko Kutsuzawa, Hideo Niwa, Yoshinori Ohtsuka, Hiroshi Maeda +2 more 2003-09-02
6510024 Magnetic head and method of manufacturing the same Yoshinori Otsuka, Ikuya Tagawa, Tomoko Kutsuzawa, Yuji Uehara, Minoru Hasegawa 2003-01-21
6282776 Magnetic head and method of manufacturing the same Yoshinori Otsuka, Ikuya Tagawa, Tomoko Kutsuzawa, Yuji Uehara, Minoru Hasegawa 2001-09-04
6104575 Planar thin-film magnetic head and manufacturing method therefor Michiaki Kanamine 2000-08-15
6088908 Method of making a head slider Takahiro Imamura 2000-07-18
6083410 Thin film magnetic head and process for producing same Takao Koshikawa, Yoshinori Ohtsuka 2000-07-04
5870262 Magneto resistive effect type head having a stressed insulation layer Mutsuo Yoshinami, Eiji Shimizu, Keiji Watanabe 1999-02-09
5777827 Horizontal type magneto-resistive head using flux guide Yoshifumi Mizoshita, Takao Koshikawa, Hitoshi Kanai, Junichi Kane, Yoshinori Otsuka 1998-07-07
5717630 Magnetic memory device Takao Koshikawa, Hiroshi Maeda, Yoshinori Ohtsuka, Takahiro Imamura, Yoshifumi Mizoshita 1998-02-10
5583726 Magneto-resistive head using flux guide Yoshifumi Mizoshita, Takao Koshikawa, Hitoshi Kanai, Junichi Kane, Yoshinori Otsuka 1996-12-10