KH

Kazuhide Hayama

ML Mitsubishi Petrochemical Company Limited: 1 patents #19 of 101Top 20%
📍 Yokkaichi, JP: #21 of 86 inventorsTop 25%
Overall (1989): #90,881 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4839457 Developing composition and a sheet for pressure-sensitive copy paper Yukio Saitoh 1989-06-13