JO

Jin Ohuchi

DJ Doryokuro Kakunenryo Kaihatsu Jigyodan: 1 patents #3 of 20Top 15%
Overall (1982): #54,150 of 81,411Top 70%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

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