HH

Haruhiro Hirai

JR Japan Synthetic Rubber: 1 patents #256 of 558Top 50%
📍 Somalomo, CM: #860 of 1,329 inventorsTop 65%
Overall (All Time): #3,982,095 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4694035 Process for preparing large-sized polymer particles Kiyoshi Kasai, Masayuki Hattori, Osamu Kikuchi, Hiromi Takeuchi, Nobuo Sakurai 1987-09-15