KO

Katsuyuki Ohtsuka

DJ Doryokuro Kakunenryo Kaihatsu Jigyodan: 1 patents #3 of 20Top 15%
Overall (1982): #49,761 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4364859 Method for producing oxide powder Jin Ohuchi, Yoshiharu Takahashi 1982-12-21