Keigo Obata

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

IC Ishihara Chemical Co.: 1 patents #1 of 7Top 15%

📍 Himeji, JP: #53 of 186 inventorsTop 30%

Overall (2003): #180,098 of 273,478Top 70%

Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6607653	Plating bath and process for depositing alloy containing tin and copper	Kiyotaka Tsuji, Takao Takeuchi, Hidemi Nawafune, Tetsuji Nishikawa	2003-08-19