HK

Hirotsugu Kusano

JT Jtekt: 7 patents #230 of 1,969Top 15%
KC Koyo Seiko Co.: 2 patents #228 of 749Top 35%
KC Koyo Machine Industries Co.: 1 patents #26 of 86Top 35%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
📍 Kashihara, JP: #41 of 287 inventorsTop 15%
Overall (All Time): #564,299 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
10787195 Electric power steering system Toshihiro Asakura, Hirokazu Tojo 2020-09-29
9638307 Electric power steering device Arata Kikuchi, Yasutaka Fukumoto 2017-05-02
9499194 Electric power steering system Wataru Yamada, Arata Kikuchi, Yoshitomo NAGAI 2016-11-22
9404530 Bearing cup and cross shaft joint Takeshi Koyama, Masanori Kobayashi, Kenichi Hashimoto, Hiroshi Kobayashi 2016-08-02
8459402 Electric power steering system Jun Hamakita 2013-06-11
7736064 Rolling bearing and motor device using the same Masayoshi Yamamoto 2010-06-15
7568550 Worm support device and power assist unit having the same Hirotaka YASUDA, Wataru Yamada, Yoshiyuki Saito, Shuzo Hirakushi 2009-08-04
5238254 Ferrofluid seal apparatus Hirokazu Takii, Tetsuo Oda, Shinji Abe, Kazuya Suzuki 1993-08-24
5152539 Ferrofluid seal apparatus Hirokazu Takii, Tetsuo Oda, Shinji Abe, Kazuya Suzuki 1992-10-06