HT

Hiroshi Toyota

KC Koyo Seiko Co.: 10 patents #34 of 749Top 5%
JT Jtekt: 1 patents #1,102 of 1,969Top 60%
Kioxia: 1 patents #1,054 of 1,813Top 60%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Yokkaichi, JP: #273 of 2,072 inventorsTop 15%
Overall (All Time): #333,916 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12310017 Semiconductor device and method for manufacturing semiconductor device Masayuki Kitamura, Takuya Hirohashi, Shigeru Kinoshita 2025-05-20
7775030 Power transmission chain, method for manufacturing the same, and power transmission apparatus Shinji Yasuhara 2010-08-17
6808310 Rolling bearing Junya Ooitsu 2004-10-26
6682224 Bearing cage and rolling bearing having the same Junya Ooitsu 2004-01-27
6490137 Information equipment with polymer film in bearing and disk Kazunori Hayashida, Hiroaki Takebayashi, Terukazu Karashima 2002-12-03
6450692 Rolling device 2002-09-17
6240641 Method of forming a lubricating film on a linear motion ball bearing Kazunori Hayashida, Hiroaki Takebayashi 2001-06-05
6126319 Linear motion ball bearing and method for forming lubricating film of the linear motion ball bearing Kazunori Hayashida, Hiroaki Takebayashi 2000-10-03
6121208 Rolling sliding part 2000-09-19
6102576 Bearing assembly Manabu Kai 2000-08-15
D428335 Package Junko KATO 2000-07-18
6007286 Driving screw and a method for forming lubricating film thereon Kazunori Hayashida, Hiroaki Takebayashi 1999-12-28
5939363 Rolling-contact bearing and method of forming film of lubricant Kazunori Hayashida, Hiroaki Takebayashi 1999-08-17
4234066 Dual stage fluid clutch motor with electric controls including time delay Tamio Kawamoto, Etsusou Takehiro 1980-11-18