TO

Tatsuro Okamura

UN Unknown: 3 patents #7,366 of 83,584Top 9%
YK Yoshida Kogyo K.K.: 3 patents #136 of 468Top 30%
Overall (All Time): #1,683,525 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4402750 Building materials and method for manufacturing same Hideki Irifune 1983-09-06
4399046 Flame-retardant building materials and method for making same Hideki Irifune 1983-08-16
4363739 Aluminum hydroxide-based spray-on insulating material for building and method for the preparation thereof Hideki Irifune 1982-12-14