FK

Futoshi Kuniyoshi

HI Hitachi: 31 patents #867 of 28,497Top 4%
NC Neomax Co.: 3 patents #21 of 95Top 25%
PR Proterial: 3 patents #41 of 267Top 20%
SC Sumitomo Special Metals Co.: 3 patents #65 of 262Top 25%
Overall (All Time): #78,417 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
9324494 Treatment device Shohji Nakayama 2016-04-26
9293252 R-T-B sintered magnet manufacturing method 2016-03-22
8317937 Alloy for sintered R-T-B-M magnet and method for producing same 2012-11-27
8317941 R-T-B-type sintered magnet and method for production thereof Rintaro Ishii 2012-11-27
8287661 Method for producing R-T-B sintered magnet Rintaro Ishii 2012-10-16
8142573 R-T-B sintered magnet and method for producing the same Hiroya Kobayashi 2012-03-27
8092619 R-T-Cu-Mn-B type sintered magnet Rintaro Ishii, Hiroyuki Tomizawa 2012-01-10
7931756 Method and machine of making rare-earth alloy granulated powder and method of making rare-earth alloy sintered body Tomoiku Otani 2011-04-26
7622010 Method and apparatus for producing granulated powder of rare earth alloy and method for producing rare earth alloy sintered compact Tomoiku Otani 2009-11-24
7214343 Method for producing granulated powder of R—FE—B type alloy and method for producing R—FE—B type alloy sintered compact Yuji Kaneko, Akihito Tsujimoto, Kazunari Shimauchi, Kazuo Tanaka, Shizuo Mori +1 more 2007-05-08
7141126 Rare earth magnet and method for manufacturing the same Hitoshi Morimoto 2006-11-28
6969244 Powder compacting apparatus and method of producing a rare-earth magnet using the same Koki Tokuhara, Kunitoshi Kanno, Hitoshi Morimoto, Tomoiku Ohtani, Ryoji Ono 2005-11-29
6511631 Powder compacting apparatus and method of producing a rare-earth magnet using the same Koki Tokuhara, Kunitoshi Kanno, Hitoshi Morimoto, Tomoiku Ohtani, Ryoji Ono 2003-01-28
6482353 Method for manufacturing rare earth magnet Hitoshi Morimoto 2002-11-19
6344168 Method of producing R-Fe-B type sintered magnet, method of preparing alloy powder material for R-Fe-B type sintered magnet, and method of preserving the same 2002-02-05