HH

Hidefuni Hirai

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,973,728 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4663478 Process for producing a para-substituted phenol derivative Makoto Komiyama, Izuru Sugiura 1987-05-05