2003-039708 is referenced by 34 patents.

PROBLEM TO BE SOLVED: To utilize resources effectively by utilizing a storage means attached to a cartridge effectively thereby promoting reuse of the cartridge. SOLUTION: The filling unit 66 comprises an access means 61 for reading out the quantity of used ink in a cartridge 10 requiring to be refilled from a storage means 15 attached to the cartridge 10, and a refill control means 60 for determining the quantity of ink based on the data thus read out. The cartridge 10 is refilled with a quantity of ink corresponding to ink consumption stored in the storage means 15 by means of the filling unit 66.

Title
Filling unit of cartridge
Application Number
2002-129743
Publication Number
2003-039708
Application Date
May 29, 2001
Publication Date
February 13, 2003
Inventor
Otsuki Koichi
Asauchi Noboru
Suda Koji
Koike Hisashi
Assignee
Seiko Epson
IPC
G06F 17/60
B41J 02/01
B41J 02/175