TH

Takao Hirose

NO Nippon Oil: 20 patents #14 of 773Top 2%
DK Daiichi Denshi Kogyo Kabushiki Kaisha: 3 patents #6 of 50Top 15%
SC Shinagawa Refractories Co.: 3 patents #20 of 162Top 15%
AC Allied Consulting: 2 patents #297 of 1,310Top 25%
SU Sumitomo: 1 patents #19 of 62Top 35%
DT Director-General Of Agency Of Industrial Science And Technology: 1 patents #194 of 696Top 30%
JT Japan Tobacco: 1 patents #582 of 1,187Top 50%
KC Kureha Chemical Industry Co.: 1 patents #91 of 215Top 45%
📍 Kamakura, JP: #52 of 1,212 inventorsTop 5%
Overall (All Time): #148,245 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4229221 Method for producing refractories Seiichi Uemura, Syunichi Yamamoto, Hiroaki Takashima, Osamu Kato, Minoru Nagai 1980-10-21
4220474 Amorphous refractory compositions Seiichi Uemura, Syunichi Yamamoto, Hiroaki Takashima, Osamu Kato, Minoru Nagai 1980-09-02