Inventor
SEKIOKA CHIAKI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “SEKIOKA CHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU ISOTEC LTD
8 patentsUS6030440AFeb 29, 2000
Water-based pigment-type ink and ink jet printer
FUJITSU ISOTEC LTD52 citations90
US6899752B2May 31, 2005
Latent image printing ink composition, prints containing latent images recorded with the ink composition, and latent image data-based deciphering method and latent image data deciphering device
FUJITSU ISOTEC LTD13 citations78
US5135803AAug 4, 1992
Ink ribbon for printer and ink therefor
FUJITSU ISOTEC LTD6 citations72
US6296713B1Oct 2, 2001
Erasing method
FUJITSU ISOTEC LTD8 citations71
US6071352AJun 6, 2000
Erasing method and erasing apparatus for performing that erasing method
FUJITSU ISOTEC LTD5 citations71
US5336553AAug 9, 1994
Ink ribbon for printer and ink therefor
FUJITSU ISOTEC LTD3 citations61
US5211490AMay 18, 1993
Ink ribbon cassette with re-inking and drive gear
FUJITSU ISOTEC LTD4 citations60
US5259875ANov 9, 1993
Ink ribbon for printer and ink therefor
FUJITSU ISOTEC LTD1 citations50