KM

Katsutoshi Muramatsu

NT Ntn: 14 patents #110 of 1,364Top 9%
SC Showa Highpolymer Co.: 1 patents #45 of 102Top 45%
Overall (All Time): #321,509 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
10048214 Rolling element inspection method, rolling element manufacturing method, and rolling element Yutaka Tanaka, Hiroaki Suzuki, Daichi Ito, Masayuki Nozaki 2018-08-14
9452503 Green ball grinding method, ceramic sphere fabrication method, and grinding apparatus Yasutake Hayakawa 2016-09-27
9103382 Rolling bearing, hub unit, rolling contact member, universal joint, torque transmission member for universal joint, and method of producing the same 2015-08-11
9097280 Rolling contact member, rolling bearing, and method of producing rolling contact member 2015-08-04
9089947 Spherical body polishing apparatus, method for polishing spherical body and method for manufacturing spherical member Yutaka Tanaka 2015-07-28
9032626 Green ball grinding method, ceramic sphere fabrication method, and grinding apparatus Yasutake Hayakawa 2015-05-19
8449198 Rolling bearing, hub unit, rolling contact member, universal joint, torque transmission member for universal joint, and method of producing the same 2013-05-28
8376624 Rolling contact member and rolling bearing 2013-02-19
8371758 Rolling contact member and rolling bearing Masaaki Honda, Hikaru Ishida, Nobuyuki Ninoyu 2013-02-12
8366558 Rolling contact member, rolling bearing, and method of producing rolling contact member 2013-02-05
8080084 Method for recycling steelmaking dust Shozo Goto, Norio Misaki 2011-12-20
7842119 Solidification product of dust generated during steel making and method for production thereof Norio Misaki 2010-11-30
6596395 Balls of single crystal silicon and method of making the same 2003-07-22
5823510 Sintered ceramics material and disk valve assembly Toshiaki Kaneko, Kouichi Kiyohara, Kenji Ito, Yoshimi Nishihara, Hiroyuki Inoue +1 more 1998-10-20
5324556 Polyester blow-molded articles Toshiaki Hino, Eiichiro Takiyama 1994-06-28