YH

Yoshio Honma

HC Hitachi Chemical Company: 1 patents #29 of 108Top 30%
📍 Okutama, JP: #5 of 6 inventorsTop 85%
Overall (2002): #86,683 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6420269 Cerium oxide abrasive for polishing insulating films formed on substrate and methods for using the same Jun Matsuzawa, Yasushi Kurata, Kiyohito Tanno 2002-07-16