MA

Masahiro Ashizawa

3M: 5 patents #2,937 of 11,543Top 30%
Overall (All Time): #1,013,759 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D683545 Lint roller cover Philipp Refior 2013-06-04
D682555 Lint roller cover Philipp Refior 2013-05-21
6491745 Water/oil repellent composition 2002-12-10
5475070 Fluorine system water- and oil-repellent agent Kengo Imamura, Atsushi Udagawa, Makoto Nagase 1995-12-12
5308511 Solvent-based water- and oil-repellent treating agent Dirk M. Coppens, Makoto Nagase 1994-05-03