KO

Kazuhira Ojima

HI Hitachi: 1 patents #1,533 of 3,950Top 40%
HC Hitachi Building Systems Co.: 1 patents #1 of 9Top 15%
Overall (2002): #178,984 of 266,432Top 70%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6390270 Escalator Hirofumi Utsunomiya, Chuichi Saito 2002-05-21