YH

Yoshihisa Hiraoka

TK Tokyo Keiki: 1 patents #60 of 166Top 40%
Overall (All Time): #3,886,651 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5053582 Electromagnetic waves shield tape Takashige Terakawa, Wataru Kusakabe, Toshihisa Sugiyama 1991-10-01