HK

Hiroyuki Kaidoo

The Yokohama Rubber Co.: 2 patents #475 of 1,136Top 45%
Overall (All Time): #2,316,846 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5019617 Rubber compositions containing carbon blacks of specified physical characteristics Takao Muraki 1991-05-28
4947916 Pneumatic radial tire having belt reinforcements Yasuhiro Ishikawa, Sadakazu Takei, Shuji Takahashi 1990-08-14