TY

Tomonobu Yoshikawa

Nsk: 12 patents #112 of 1,559Top 8%
SC Sanyo Special Steel Co.: 2 patents #20 of 109Top 20%
Overall (All Time): #388,714 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6905437 Power roller bearing of toroidal-type continuously variable transmission unit Hiroyuki Itoh, Takashi Imanishi, Nobuo Goto, Yasuo Murakami 2005-06-14
6770152 Rolling bearing Shigeru Okita, Akihiro Kiuchi, Hiromichi Takemura 2004-08-03
6746365 Toroidal-type continuously variable transmission Yasuo Murakami 2004-06-08
6666792 Toroidal continuously variable transmission 2003-12-23
6659909 Toroidal continuously variable transmission and manufacturing method thereof Shigeru Okita, Yutaka Ishii 2003-12-09
6626795 Toroidal-type continuously variable transmission 2003-09-30
6623400 Toroidal-type continuously variable transmission Yasuo Murakami 2003-09-23
6443870 Toroidal-type continuously variable transmission Yasuo Murakami 2002-09-03
6440233 Rolling bearing Shigeru Okita, Susumu Tanaka 2002-08-27
6332714 Induction-hardened rolling bearing device Hiromichi Takemura, Nobuaki Mitamura, Yasuo Murakami, Shuhei Kitano, Kazuhiko Hiraoka 2001-12-25
6174085 Linear guide bearing device Nobuaki Mitamura 2001-01-16
6165100 High-cleanness steel and toroidal type continuously variable transmission including components such as input/output discs, power roller and cam disc using the high-cleanness steel Nobuaki Mitamura, Yasuo Murakami 2000-12-26
6165289 Water-resistant long-life rolling bearing Yoichi Matsumoto, Takashi Nagato 2000-12-26