JO

Junzo Ohtake

AC Asahi Kasei Kogyo Co.: 1 patents #565 of 1,395Top 45%
📍 Okayama, JP: #824 of 1,590 inventorsTop 55%
Overall (All Time): #3,914,259 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4967014 Process for producing formaldehyde and derivatives thereof Junzo Masamoto, Mamoru Kawamura 1990-10-30