YS

Yoshihiro Sawada

TC Tokyo Ohka Kogyo Co.: 3 patents #7 of 91Top 8%
Overall (2019): #61,377 of 560,194Top 15%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10504732 Impurity diffusion agent composition and method for manufacturing semiconductor substrate Yu TAKAHASHI 2019-12-10
10242874 Diffusing agent composition and method of manufacturing semiconductor substrate 2019-03-26
10242875 Impurity diffusion agent composition and method for manufacturing semiconductor substrate Yu TAKAHASHI, Takuya Ohhashi 2019-03-26