SK

Seiji Kageyama

HI Hitachi: 19 patents #1,906 of 28,497Top 7%
RS Ricoh Printing Systems: 5 patents #20 of 200Top 10%
HC Hitachi Koki Co.: 2 patents #413 of 888Top 50%
HS Hitachi Microsoftware Systems: 2 patents #7 of 44Top 20%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
📍 Fuchu, JP: #32 of 926 inventorsTop 4%
Overall (All Time): #132,504 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
5058037 Method and apparatus for controlling printer Keiichi Nakane, Hiroaki Kambayashi 1991-10-15
5033880 Printer with character expansion in accordance with line pitch Tomohiko Yanagita, Junichi Enomoto 1991-07-23
4992958 Method and apparatus for controlling printer Keiichi Nakane, Hiroaki Kambayashi 1991-02-12
4941108 Interface for sending printer request signals to a printer Yuuji Aoyagi 1990-07-10