RA

Ryuji Arai

JI Japan Atomic Energy Research Institute: 1 patents #188 of 609Top 35%
Overall (All Time): #3,888,688 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5061057 Porous contact lens and method for making it Minoru Kumakura, Isao Kaetsu, Yoshihide Komaki, Tsutomu Sakurai, Yasuji Sejima +3 more 1991-10-29