FY

Fumitoshi Yamashita

Sumitomo Electric Industries: 28 patents #554 of 21,551Top 3%
PA Panasonic: 8 patents #3,315 of 21,108Top 20%
MC Minebea Co.: 5 patents #117 of 736Top 20%
MM Minebea Mitsumi: 1 patents #239 of 442Top 55%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #73,744 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 1–25 of 42 patents

Patent #TitleCo-InventorsDate
10511212 Inner rotor-type permanent magnet motor with annular magnetic poles Osamu Yamada, Shiho OHYA, Akihiro Yamane 2019-12-17
9266311 Manufacturing method of laminated magnet film end product with self-bonding layer Shinsaku Nishimura, Noboru Menjo 2016-02-23
8421293 Method of rare earth-iron based annular magnet and motor fabricated thereby 2013-04-16
8371021 Manufacturing method of rare earth-iron ring magnet with continuous orientation controlled anisotropy Kiyomi Kawamura, Yukihiro Okada, Hiroshi Murakami 2013-02-12
8329056 Anisotropic rare earth-iron based resin bonded magnet Osamu Yamada, Shiho OHYA 2012-12-11
8269391 Micro rotor and rotary electric machine incorporating same Shinsaku Nishimura, Noboru Menjo 2012-09-18
8183732 Radial anisotropic magnet manufacturing method, permanent magnet motor using radial anisotropic magnet, and iron core-equipped permanent magnet motor Hiroshi Murakami, Kiyomi Kawamura 2012-05-22
8069552 Method of manufacturing rotor magnet for micro rotary electric machine 2011-12-06
8072109 Radial anisotropic magnet manufacturing method, permanent magnet motor using radial anisotropic magnet, and iron core-equipped permanent magnet motor Hiroshi Murakami, Kiyomi Kawamura 2011-12-06
8044547 Radial-direction gap type magnet motor Hiroshi Murakami, Yukihiro Okada, Kiyomi Kawamura 2011-10-25
7967919 Process for producing self-assembled rare earth-iron bonded magnet and motor utilizing the same 2011-06-28
7902707 Anisotropic permanent magnet motor Kiyomi Kawamura, Hiroshi Murakami 2011-03-08
7828988 Anisotropic rare earth bonded magnet having self-organized network boundary phase and permanent magnet motor utilizing the same 2010-11-09
7759833 Permanent magnet rotator and motor using the same Hiroshi Murakami, Yukihiro Okada, Kiyomi Kawamura 2010-07-20
7381280 Manufacturing methods of flexible bonded magnet and motor using the same 2008-06-03
6995488 Permanent magnet field small DC motor Yuichiro Sasaki 2006-02-07
6978533 Method of manufacturing rare earth-iron bond magnet Yuichiro Sasaki 2005-12-27
6941637 Method of manufacturing a motor comprising a rare earth thick film magnet Hirotoshi Fukunaga, Masaki Nakano 2005-09-13
6708388 Method of making a permanent magnet field-type compact DC motor Shinji Toda, Eiji Uenishi, Yuichiro Sasaki 2004-03-23
6602569 Production process for ring shaped resin bonded magnet Hiroshi Ueda, Sunao Hashimoto 2003-08-05
6599450 Method of producing recycled raw material powder for use in bonded magnet and method of recycling bonded magnet Takahiko Terada, Hiroshi Onishi, Yoshikazu Yamagata 2003-07-29
6533837 Method of recovering and recycling magnetic powder from rare earth bond magnet Yoshikazu Yamagata 2003-03-18
6391382 Manufacturing method of magnet resin compound 2002-05-21
6387294 Rare earth resin magnet, magnet rotor, magnet motor using the same, and its manufacturing method Yoshikazu Yamagata, Hiromichi Fujimoto 2002-05-14
6365078 Production process for ring shaped resin bonded magnet Hiroshi Ueda, Sunao Hashimoto 2002-04-02