RK

Ryo Kobirumaki

IC Iwatsu Electric Co.: 2 patents #43 of 212Top 25%
Overall (All Time): #2,274,957 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5695912 Desensitizing solution for offset printing Hayato Hyakutake, Hirotsuga Saito 1997-12-09
4886730 Liquid developer for electrostatic photography Ikuo Oto, Hayato Hyakutake 1989-12-12