TO

Takefumi Ohwada

HI Hitachi: 1 patents #814 of 2,935Top 30%
📍 Hitachinaka, JP: #68 of 240 inventorsTop 30%
Overall (1989): #52,608 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4815195 Method of combining plurality of parts and structure of plurality of parts combined by same Kazuhiro Tsuruoka, Hisanobu Kanamaru, Isao Hayase, Masao Mizukami 1989-03-28