AA

Akira Arai

HI Hitachi: 2 patents #336 of 2,935Top 15%
Overall (1989): #11,952 of 140,708Top 9%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4839783 Lighting apparatus 1989-06-13
4822250 Apparatus for transferring small amount of fluid Kuniyoshi Tsubouchi, Shohei Yoshida, Kiyoshi Namura, Tsutomu Okusawa 1989-04-18
4808084 Apparatus for transferring small amount of fluid Kuniyoshi Tsubouchi, Shohei Yoshida, Kiyoshi Namura 1989-02-28