KH

Kiichi Hattori

SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
📍 Ooita, JP: #284 of 516 inventorsTop 60%
Overall (All Time): #3,797,668 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5312989 Method for the purification of 4,4'-diamino-diphenylmethane Takahiro Yamamoto, Hirokazu Murata 1994-05-17