Inventor
ARAI MASAKATSU
JP11 patents
⚠️ This page may combine multiple inventors who share the name “ARAI MASAKATSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RISO KAGAKU CORP
9 patentsUS7168797B2Jan 30, 2007
Ink container
RISO KAGAKU CORP19 citations92
USD524366SJul 4, 2006
Ink container
RISO KAGAKU CORP16 citations83
US6899028B2May 31, 2005
Container
RISO KAGAKU CORP12 citations83
US7344213B2Mar 18, 2008
Method and system for calculating ink residue and ink container
RISO KAGAKU CORP8 citations72
US7799123B2Sep 21, 2010
Inkjet ink
RISO KAGAKU CORP7 citations68
US7040223B2May 9, 2006
Stencil printing ink container, stencil printing ink cartridge, method of manufacturing the ink cartridge, and inner plug for the ink container
RISO KAGAKU CORP6 citations62
US6810803B2Nov 2, 2004
Stencil printing ink container
RISO KAGAKU CORP3 citations55
US9010913B1Apr 21, 2015
Ink cartridge
RISO KAGAKU CORP0 citations50
US6854837B2Feb 15, 2005
Ink supply system and ink supply method for stencil printer and ink container
RISO KAGAKU CORP0 citations40