HS

Hideaki Sakamoto

Sumitomo Electric Industries: 1 patents #327 of 1,127Top 30%
📍 Amuru, UG: #4 of 27 inventorsTop 15%
Overall (1989): #104,284 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D303173 Vacuum cleaner Isshin Miyamoto, Yasuo Nagamatsu, Yasuhiko Tanaka, Masaharu Sakamoto, Masataka Hidaka +1 more 1989-08-29