MH

Masato Hirao

SS Sanwa Shutter: 3 patents #5 of 45Top 15%
Overall (All Time): #1,652,380 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5460216 Device for moving a winding shaft in a building shutter Yasunori Kobayashi, Noriaki Tokuyama, Masaaki Munekata, Mitsuhiro Yoshida, Yoshihiro Ohtsuka +3 more 1995-10-24
5265662 Shutter curtain for a building opening Yasunori Kobayashi, Noriaki Tokuyama 1993-11-30
4662420 Panel shutter mechanism 1987-05-05