CI

Chio Ishihara

HC Hitachi Powdered Metals Co.: 18 patents #1 of 246Top 1%
HC Hitachi Industrial Equipment Systems Co.: 9 patents #44 of 550Top 8%
JC Japan Servo Co.: 7 patents #13 of 161Top 9%
DE Denso: 4 patents #3,129 of 11,792Top 30%
HC Hitachi Chemical Company: 3 patents #513 of 1,946Top 30%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
KS Kobe Steel: 2 patents #616 of 1,773Top 35%
RE Resonac: 2 patents #101 of 474Top 25%
NS Nidec Servo: 1 patents #45 of 83Top 55%
Overall (All Time): #161,019 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
12053820 Dust core compound, molded body, and dust core Arisa TAIRA, Teruo ITOH, Kosuke URASHIMA, Kazumasa Takeuchi 2024-08-06
11732124 Compound and tablet Kazumasa Takeuchi, Hideo Maeda, Masahiko Osaka, Takashi Inagaki 2023-08-22
10074468 Powder magnetic core for reactor Takashi Inagaki, Noriyuki Nakayama 2018-09-11
9859044 Powder magnetic core and reactor using the same Takashi Inagaki, Hiroaki Kondo 2018-01-02
9754710 Powder magnetic core, method of manufacturing powder compact for magnetic core, die and die assembly for manufacturing powder magnetic core, and die lubricating composition for manufacturing powder magnetic core Takashi Inagaki, Noriyuki Nakayama, Jiro Shima 2017-09-05
9646756 Powder magnetic core and method for producing the same Takashi Inagaki 2017-05-09
8445105 Iron-based soft magnetic powder for dust core, method for production thereof, and dust core Hiroyuki Mitani, Nobuaki Akagi, Hirofumi Houjou, Makoto Iwakiri, Sohei Yamada +1 more 2013-05-21
8398879 Soft magnetic powdered core and method for producing same Kohei Muramatsu, Masaki Yanaka 2013-03-19
8236087 Powder core and iron-base powder for powder core Hiroyuki Mitani, Nobuaki Akagi, Hirofumi Houjou, Makoto Iwakiri, Sohei Yamada +1 more 2012-08-07
8062583 Method for producing soft magnetic powdered core Kazuo Asaka, Kohei Muramatsu, Tsuyoshi Akao, Hirotake Hamamatsu 2011-11-22
8029626 Method for producing soft magnetic powdered core Kazuo Asaka, Kohei Muramatsu, Tsuyoshi Akao, Hirotake Hamamatsu 2011-10-04
7795774 Multiple phase claw pole type motor Yuji Enomoto, Motoya Ito, Kenji Miyata, Ryoso Masaki, Yasuaki Motegi +2 more 2010-09-14
7791244 Multiphase claw-pole type electric rotary machine, cogging torque adjustment system of the same, generator system, and motor system Yuji Enomoto, Motoya Ito, Ryoso Masaki, Shoji Ohiwa 2010-09-07
7714466 Claw-teeth-type rotating electrical machine Masashi Kitamura, Fumio Tajima, Shigeru Kakugawa, Yuji Enomoto, Motoya Ito +2 more 2010-05-11
7714475 Multiple phase claw pole type motor Yuji Enomoto, Motoya Ito, Kenji Miyata, Ryoso Masaki, Yasuaki Motegi +2 more 2010-05-11
7649298 Claw teeth type electric rotary machine and manufacturing method for stators Yuji Enomoto, Motoya Ito, Masashi Kitamura, Ryoso Masaki, Katsuyuki Yamazaki +3 more 2010-01-19
7626301 Electric rotating machine having permanent magnets and method of manufacturing teeth portions of the stator iron core Yuji Enomoto, Haruo Koharagi, Motoya Ito, Katsuyuki Yamasaki, Ryoso Masaki +2 more 2009-12-01
7605517 Claw pole rotating electric machine Yuji Enomoto, Motoya Ito, Shoji Ohiwa, Ryozo Masaki 2009-10-20
7592734 Three-phase permanent magnet brushless motor Yuji Enomoto, Akeshi Takahashi, Motoya Ito, Ryoso Masaki, Katsuyuki Yamazaki +5 more 2009-09-22
7470332 Production method for soft magnetic sintered member Kazuo Asaka 2008-12-30
D572660 Claw teeth motor core Yuji Enomoto, Motoya Ito, Kazumasa Ide, Masashi Kitamura, Ryoso Masaki +4 more 2008-07-08
7273527 Production method for powdered core Kazuo Asaka, Kei Ishii, Tamio Takada, Tsuyoshi Akao, Isao Makino 2007-09-25
7211158 Production method for powdered core Kazuo Asaka, Kei Ishii, Tamio Takada, Tsuyoshi Akao, Isao Makino 2007-05-01
6344273 Treatment solution for forming insulating layers on magnetic particles process for forming the insulating layers, and electric device with a soft magnetic powder composite core Yuichi Satsu, Hideaki Katayama, Yuzo Ito, Akio Takahashi, Noboru Baba +4 more 2002-02-05
6054219 Process for forming insulating layers on soft magnetic powder composite core from magnetic particles Yuichi Satsu, Hideaki Katayama, Yuzo Ito, Akio Takahashi, Noboru Baba +4 more 2000-04-25