HH

Hirokazu Haraguchi

Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
Kawasaki: 3 patents #725 of 2,943Top 25%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
Overall (All Time): #729,417 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10138972 Air spring and carriage for vehicle Jun Yoshida, Kazuo Isomura, Takanori Tojo, Masahiro Sakahira, Jun Shirasaki +2 more 2018-11-27
10086850 Air spring Takehiro Nishimura, Yasufumi Okumura 2018-10-02
9759282 Air spring Yasuhiko Ura, Takayuki Sawa, Jun Yoshida 2017-09-12
9340217 Railcar bogie Yoshi Sato, Yukitaka Taga, Kazuo Isomura, Makoto Tamaki, Junichi Shirakawa +2 more 2016-05-17
9309944 Air spring Yoshiyuki Kita 2016-04-12
9085105 Foam molding mold and foam molding method Masanori Okumura, Taichi Itabashi, Masakazu Igarashi 2015-07-21
8540220 Air spring for vehicle and railway truck for vehicle Takayuki Sawa, Hideki Kitada, Toshihisa Adachi 2013-09-24