MD

Masafumi Doi

HW Hisaka Works: 1 patents #2 of 6Top 35%
📍 Daito, JP: #3 of 10 inventorsTop 30%
Overall (1982): #45,107 of 81,411Top 60%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4314605 Condenser Hiroyuki Sumitomo, Kazuyuki Kobayashi, Katsutoshi Fukami, Kenzo Kawanishi 1982-02-09