HY

Hiroshi Yamachika

SC Sumitomo Chemical: 3 patents #12 of 256Top 5%
Overall (1982): #4,725 of 81,411Top 6%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4356326 Process for producing 3-oxocyclopentenes Kenji Saito 1982-10-26
4352756 Production of furfuryl alcohols Yukihisa Takisawa, Kenji Saito 1982-10-05
4347386 Process for preparing cyclopentenolones Kenji Saito 1982-08-31