MH

Mitsuru Hirai

NK Nikko Kogyo Kabushiki Kaisha: 1 patents #1 of 6Top 20%
TC Tokyo Gas Co.: 1 patents #1 of 17Top 6%
Overall (2003): #157,344 of 273,478Top 60%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6505866 Pipe joint Yoshitaka Nakamura, Akihiro Tanaka, Tsutomu Uno, Osamu Igarashi, Noriyoshi Komiyama 2003-01-14