Inventor
KUBOYAMA HIROKI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “KUBOYAMA HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
15 patentsUS5432534AJul 11, 1995
Reversible thermosensitive coloring composition, recording medium, recording method, and image display apparatus using the recording medium
RICOH KK65 citations96
US5296439AMar 22, 1994
Reversible thermosensitive coloring recording medium, recording method, and image display apparatus using the recording medium
RICOH KK43 citations96
US5525573AJun 11, 1996
Image receiving sheet for sublimation-type thermal image transfer recording and recording method using the same
RICOH KK20 citations92
US5521138AMay 28, 1996
Reversible thermosensitive coloring composition, and recording medium using the same
RICOH KK29 citations92
US7452847B2Nov 18, 2008
Reversible thermosensitive recording medium, reversible thermosensitive recording label, reversible thermosensitive recording device, image processing apparatus, and image processing method
RICOH KK12 citations82
US7049268B2May 23, 2006
Heat reversible recording medium, heat reversible recording label, heat reversible recording member, image processor and image processing method
RICOH KK12 citations82
US5395433AMar 7, 1995
Reversible thermosensitive coloring composition, recording medium, recording method, and image display apparatus using the recording medium
RICOH KK12 citations74
US5348931ASep 20, 1994
Sublimation-type thermal image transfer recording medium
RICOH KK13 citations73
US5302575AApr 12, 1994
Image receiving medium for use with sublimation type thermal image transfer recording medium
RICOH KK16 citations73
US6107245AAug 22, 2000
Thermal transfer recording material and receiving material thereof and recording method therefor
RICOH KK8 citations72
US6656879B2Dec 2, 2003
Method of reversible selective manifestation of different states of functional element
RICOH KK2 citations63
US6104422AAug 15, 2000
Sublimation thermal image transfer recording method and image receiving sheet therefor
RICOH KK6 citations62
US5958832ASep 28, 1999
Sublimation thermal transfer recording method and recording material therefor
RICOH KK2 citations62
US5834396ANov 10, 1998
Sublimation-type thermal image transfer recording medium and thermal image transfer recording method using the same
RICOH KK4 citations62
US5565404AOct 15, 1996
Sublimation-type thermal image transfer recording medium
RICOH KK4 citations62
MITSUBISHI PLASTICS INC
2 patentsUS6989349B2Jan 24, 2006
Information recording-displaying card, image processing method using same, and image processor
MITSUBISHI PLASTICS INC48 citations90
US6969695B2Nov 29, 2005
Information recording-displaying card, image processing method using same, and image processor
MITSUBISHI PLASTICS INC16 citations82