HH

Hiroyuki Hirayama

MC Mitsubishi Gas Chemical Company: 6 patents #328 of 1,727Top 20%
Overall (All Time): #892,941 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5175366 Process for producing a denaturated manganese dioxide catalyst for the hydration reaction of cyanohydrins Shuji Ebata, Hirofumi Higuchi, Koichi Kida 1992-12-29
5061675 Process for producing a denaturated manganese dioxide catalyst for the hydration reaction of cyanohydrins Shuji Ebata, Hirofumi Higuchi, Koichi Kida 1991-10-29
4990651 Process for producing carboxylic acid esters Hideo Ikarashi, Yoshio Kawai, Seiji Nagasawa 1991-02-05
4987256 Process for production of .alpha.-hydroxycarboxylic acid amide Shuji Ebata, Takako Uchiyama 1991-01-22
4973739 Process for production of carboxylic acid esters Seiji Nagasawa, Hideo Ikarashi, Yoshio Kawai 1990-11-27
4950801 Process for producing alpha-hydroxycarboxylic acid amide Shuji Ebata, Hirofumi Higuchi, Toshio Kondo, Koichi Kida 1990-08-21