HM

Hiromitsu Muraki

Nsk: 13 patents #98 of 1,559Top 7%
Overall (All Time): #388,350 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7040813 Rolling bearing apparatus for swing arm Kenji Takei 2006-05-09
6761485 Rolling bearing unit Takafumi Yasuhara 2004-07-13
6709162 Rolling bearing unit Norihiro Edwin Aoki, Norikazu Kitagawa 2004-03-23
6634103 Method of stabilizing high-speed control of ball bearing device Katsuhiko Tanaka, Shigeru Endo, Chuichi Sato, Ikunori Sakatani, Shoji Noguchi 2003-10-21
6461050 Ball bearing device for a swing arm Katsuhiko Tanaka, Shigeru Endo, Chuichi Sato 2002-10-08
6354743 Rolling bearing Hiroshi Tani, Takashi Seshimo, Toru Takamizawa 2002-03-12
6293702 Rolling bearing Hiroshi Tani, Takashi Seshimo, Toru Takamizawa 2001-09-25
6172847 Rotational assembly for disc drive device having small runout and reduced axial displacement Ikunori Sakatani, Katsuhiko Tanaka, Etsuo Maeda, Hideo Okano, Kazuhiro Uemura 2001-01-09
6081057 Spindel motor for a disc drive Katsuhiko Tanaka, Ikunori Sakatani, Shoji Moguchi 2000-06-27
6074098 Hydro-dynamic fluid bearing device and manufacturing method of the same Hiromitsu Asai, Katsuhiko Tanaka, Ikunori Sakatani 2000-06-13
6053638 Ball bearing device for a swing arm Katsuhiko Tanaka, Shigeru Endo, Chuichi Sato, Ikunori Sakatani, Shoji Noguchi 2000-04-25
6033118 Hydro-dynamic fluid bearing device and manufacturing method of the same Hiromitsu Asai, Katsuhiko Tanaka, Ikunori Sakatani 2000-03-07
5683183 Spindle device and bearing device therefor Katsuhiko Tanaka, Ikunori Sakatani 1997-11-04