Keigo Obata

DC Daiwa Fine Chemicals Co.: 1 patents #1 of 5Top 20%

IC Ishihara Chemical Co.: 1 patents #1 of 5Top 20%

📍 Himeji, JP: #42 of 140 inventorsTop 30%

Overall (2011): #245,179 of 364,097Top 70%

Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7938948	Silver and silver alloy plating bath	Kiyotaka Tsuji, Tetsuji Nishikawa, Takao Takeuchi, Hidemi Nawafune	2011-05-10