KO

Kiyoaki Okayama

ML Mitsubishi Petrochemical Company Limited: 2 patents #172 of 670Top 30%
📍 Yokkaichi, JP: #880 of 2,072 inventorsTop 45%
Overall (All Time): #1,656,330 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5177132 Flame retardant resin composition Hiroshi Takahashi, Seiko Nakano, Ichiro Ohkawachi 1993-01-05
4368298 Process for producing novolak-type epoxy resin Makoto Nishizuka 1983-01-11
4215210 Novel .alpha.-glycol resin composition and process for its preparation Yojiro Yamamoto 1980-07-29