RM

Ryukichi Mizuno

DJ Doryokuro Kakunenryo Kaihatsu Jigyodan: 2 patents #36 of 393Top 10%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
📍 Ibaraki, JP: #3,280 of 6,779 inventorsTop 50%
Overall (All Time): #2,348,008 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4591454 Apparatus and method for melting and treating metal wastes Katsuyuki Ohtsuka, Koji Yanagida, Kazuo Kitagawa, Atsuhiro Ochiai, Minoru Harada +1 more 1986-05-27
4587098 Method of stabilized operation of acid digestion kettle of tantalum Katsuyuki Ohtsuka, Hitoshi Miyazaki, Toshio Fukuzuka, Kazutoshi Shimogori, Hiroshi Satoh +1 more 1986-05-06