YH

Yoji Hirasawa

NC Nippon Paint Holdings Co.: 4 patents #150 of 834Top 20%
Overall (All Time): #1,289,449 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5696293 Catalyst composition for producing polyether polyamine and production method of polyether polyamine by use of the catalysts composition Christopher Phillips, Keiichi Okajima, Julius John Batty, Brian L. Booth 1997-12-09
4976785 Paint resin Shinji Nakano, Koichi Tsutsui, Shoji Ikeda 1990-12-11
4767846 Production of polymeric polyols Robert F. T. Stepto, Richard H. Still 1988-08-30
4556683 Pigment dispersing resin and composition containing same Shoji Ikeda 1985-12-03