YT

Yasuharu Tanakamaru

DC Dai-Ichi Kogyo Seiyaku Co.: 1 patents #153 of 288Top 55%
MC Mitsubishi Oil Co.: 1 patents #37 of 83Top 45%
Overall (All Time): #3,974,625 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4666523 Sizing agent suitable for use in paper making Kinya Yokota, Akinobu Ichihara, Yoshio Takahashi 1987-05-19