KK

Koichi Kotoku

The Yokohama Rubber Co.: 9 patents #159 of 1,136Top 15%
HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
Overall (All Time): #506,443 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
D851579 Automobile tire Hideki Hamanaka 2019-06-18
10183531 Pneumatic tire 2019-01-22
9950570 Pneumatic tire 2018-04-24
9849730 Pneumatic tire Hideki Hamanaka, Koshi Iga 2017-12-26
9783003 Pneumatic tire Koshi Iga, Hideki Hamanaka 2017-10-10
9604503 Pneumatic tire Koshi Iga, Hideki Hamanaka 2017-03-28
9604502 Pneumatic tire Tsuyoshi Kunugi, Koshi Iga, Hideki Hamanaka 2017-03-28
9259971 Pneumatic tire Hideki Hamanaka, Koshi Iga 2016-02-16
D729148 Automobile tire 2015-05-12
8361255 Copper alloy material and method of making same Hiroaki Takano, Yoshiki Yamamoto, Chingping Tong 2013-01-29