HH

Hideyuki Hiraoka

HC Hiraoka & Co.: 3 patents #3 of 15Top 20%
Overall (All Time): #1,683,768 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4410575 Lap welding method for textile fabrics Tsutomu Obayashi 1983-10-18
4324827 Water-proof, fuse-bonding fabric Tsutomu Obayashi 1982-04-13
4298645 Tarpaulins having great tearing strength Tsutomu Obayashi 1981-11-03