P

Inventor

ITO KENGO

JP83 patents
⚠️ This page may combine multiple inventors who share the name “ITO KENGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

25 patents
US5958122ASep 28, 1999

Printing apparatus and recording solution

SONY CORP54 citations96
US5462910AOct 31, 1995

Composition for fixing water-color ink, cover film for thermal transfer image using composition for fixing water color-ink, and thermal transfer image recorded medium

SONY CORP49 citations96
US6033466AMar 7, 2000

Pigment and pigment ink by applying the pigment

SONY CORP36 citations93
US5560996AOct 1, 1996

Printing paper, dye-receiving layer forming composition for preparing it, ink composition suitable for it, and image forming method using them

SONY CORP25 citations93
US5179065AJan 12, 1993

Recording material with a display composition including a coloring pigment

SONY CORP46 citations93
US5160371ANov 3, 1992

Display composition, coloring pigment, and recording material

SONY CORP40 citations93
US4957352ASep 18, 1990

Electrochromic display device

SONY CORP30 citations93
US4940689AJul 10, 1990

Display material

SONY CORP26 citations93
US4496646AJan 29, 1985

Photosensitive imaging material

SONY CORP36 citations93
US5594480AJan 14, 1997

Printing device and photographic paper

SONY CORP20 citations92
US5644350AJul 1, 1997

Ink jet recording apparatus

SONY CORP46 citations91
US6281270B1Aug 28, 2001

Printing paper, dye-receiving layer forming composition for preparing it, ink composition suitable for it, and image forming method using them

SONY CORP12 citations82
US6177501B1Jan 23, 2001

Printing paper, dye-receiving layer forming composition for preparing it, ink composition suitable for it, and image forming method using them

SONY CORP4 citations74
US6063836AMay 16, 2000

Printing paper, dye-receiving layer forming composition for preparing it, ink composition suitable for it, and image forming method using them

SONY CORP7 citations74
US5324705AJun 28, 1994

Printing sheet comprising an image-receiving layer made of an acidic resin

SONY CORP8 citations74
US5543453AAug 6, 1996

Composition for fixing water-color ink, cover film for thermal transfer image using composition for fixing water-color ink, and thermal transfer image recorded medium

SONY CORP12 citations73
US5656759AAug 12, 1997

Hydrophobic cationic dye compounds

SONY CORP14 citations72
US5446012AAug 29, 1995

Sheet capable of releasing a thermal transfer image-receiving layer, a method for transferring a thermal trnasfer image-receiving layer from the sheet and a method for forming images

SONY CORP5 citations71
US5948149ASep 7, 1999

Water-based ink composition

SONY CORP11 citations67
US6841204B2Jan 11, 2005

Recording medium for printer

SONY CORP5 citations63
US6623818B2Sep 23, 2003

Recording medium for printer

SONY CORP2 citations63
US5547739AAug 20, 1996

Recording medium for heat sensitive transfer printing

SONY CORP2 citations63
US5516746AMay 14, 1996

Image-forming method and an ink ribbon and a printing sheet used for the method

SONY CORP4 citations63
US5391535AFeb 21, 1995

Ink ribbon and image forming method using the same

SONY CORP2 citations63
US5356854AOct 18, 1994

Dye and dye carrier ink ribbon for thermal dye transfer hard copy

SONY CORP2 citations63

DAIKIN IND LTD

8 patents

DENSO CORP

7 patents

MATSUSHITA ELECTRIC WORKS LTD

6 patents

WACKER CHEMIE GMBH

1 patent

PANASONIC ELEC WORKS CO LTD

1 patent

FUJI HEAVY IND LTD

1 patent

SUBARU CORP

1 patent

Showing the top 50 of 83 patents by PatentIndex Score.