HH

Hisao Hiraga

DC Dainihon Glass Industry Co.: 2 patents #4 of 18Top 25%
SC Shimizu Construction Co.: 2 patents #41 of 352Top 15%
Overall (All Time): #2,329,792 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4819395 Textile reinforced structural components Minoru Sugita, Teruyuki Nakatsuji, Tadashi Fujisaki, Takashi Nishimoto, Minoru Futagawa 1989-04-11
4706430 Concrete reinforcing unit Minoru Sugita, Teruyuki Nakatsuji, Tadashi Fujisaki, Takashi Nishimoto, Minoru Futagawa 1987-11-17