HK

Hirohiko KUMAGAI

SD Showa Denko: 1 patents #231 of 593Top 40%
Overall (All Time): #3,970,279 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4650287 Laser-light shield and method for shielding human body from laser light Yoshio Kudo, Katsunobu Yamaguchi, Saburo Wakamatsu 1987-03-17