YS

Yukio Sumiya

HC Hitachi Construction Machinery Co.: 1 patents #16 of 51Top 35%
📍 Ibaraki, JP: #186 of 576 inventorsTop 35%
Overall (1994): #46,501 of 165,921Top 30%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5335547 Ultrasonic flaw detector Kichio Nakajima, Kazuo Honma, Takeshi Yamaguchi, Hiroshi Inamitsu, Eiji Minamiyama 1994-08-09