RO

Ryotaro Ohno

JR Japan Synthetic Rubber: 2 patents #169 of 558Top 35%
Overall (All Time): #2,361,076 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4390717 Process for preparing carboxylic acid esters of dicyclopentadienes Katuhiro Ishikawa, Masatoshi Arakawa 1983-06-28
4370447 Unsaturated polyester resin compositions Katuhiro Ishikawa, Masatoshi Arakawa 1983-01-25