TK

Toru Kofukuda

TK Toyo Boseki Kabushiki Kaisha: 3 patents #234 of 1,085Top 25%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
TL Toyo Kasei Kogyo Company Limited: 1 patents #26 of 53Top 50%
Overall (All Time): #1,223,949 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8350050 Bis-(1(2)H-tetrazol-5-yl) amine and production method therefor Toshiyuki Toda 2013-01-08
7846304 Process for purification of 2-chloro-5-chloromethyl-1,3-thiazole Toshikazu Oga 2010-12-07
7781603 Method for producing trimethylsilyl azide Shigeto Nakazawa 2010-08-24
7531067 Process for purification of 2-chloro-5-chloromethyl-1,3-thiazole Toshikazu Oga 2009-05-12