SY

Shuho Yokokawa

HC Hitachi Koki Co.: 2 patents #7 of 116Top 7%
📍 Ibaraki, JP: #70 of 586 inventorsTop 15%
Overall (1997): #23,959 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5652949 Preheating controller for a two-stage electrophotographic printing system Hiroyuki Ogawa, Hiroshi Hakuta, Takao Chikuzenya, Isao Nakajima, Hiroshi Ueno 1997-07-29
5606403 Toner supply control system for an electrophotographic apparatus Toru Kikuchi, Isao Watanabe, Satoshi Aita, Hidenori Takayasu, Shigeo Nemoto +4 more 1997-02-25