YK

Yasuhito Kohashi

DC Daiwa Fine Chemicals Co.: 2 patents #10 of 33Top 35%
Overall (All Time): #2,222,625 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6235093 Aqueous solutions for obtaining noble metals by chemical reductive deposition Yoshiaki Okuhama, Takao Takeuchi, Keigo Obata, Hidemi Nawafune 2001-05-22
6183545 Aqueous solutions for obtaining metals by reductive deposition Yoshiaki Okuhama, Takao Takeuchi, Masakazu Yoshimoto, Shigeru Takatani, Emiko Tanaka +8 more 2001-02-06