YK

Yoshitaka Kawahara

JR Japan Synthetic Rubber: 1 patents #256 of 558Top 50%
📍 Ibaraki, JP: #4,343 of 6,779 inventorsTop 65%
Overall (All Time): #3,936,542 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4861931 Process for producing 5-alkylidenenorbornene Yasuo Hara, Ryuji Oashi, Mikio Takeuchi 1989-08-29