HK

Hiroshi Kemmochi

JC Japan Metals & Chemicals Co.: 1 patents #70 of 152Top 50%
Overall (All Time): #3,907,804 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4943418 Method of preparing high-purity manganese compounds Koichi Kambe, Kiyoshi Matsuura, Tatsuo Seino, Yoshiyuki Kimura, Koichi Yoshioka +1 more 1990-07-24