TH

Tadayoshi Hiraga

The Yokohama Rubber Co.: 2 patents #475 of 1,136Top 45%
Overall (All Time): #2,341,491 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D290105 Automobile tire Tadanobu Nagumo, Riichiro Mama, Tadashi Harashima, Izumi Kuramochi 1987-06-02
4649975 Pneumatic tire tread Tomohiko Kogure, Riichiro Mama, Nobuhito Takasugi 1987-03-17