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 patentsUS5958122ASep 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 patentsUS11767379B2Sep 26, 2023
Method for manufacturing fluoropolymer
DAIKIN IND LTD7 citations85
US11512155B2Nov 29, 2022
Production method for fluoropolymer, surfactant for polymerization, and use of surfactant
DAIKIN IND LTD3 citations72
US11279814B2Mar 22, 2022
Production method for fluoropolymer, surfactant for polymerization, and use of surfactant
DAIKIN IND LTD2 citations72
US12435213B2Oct 7, 2025
Production method of modified polytetrafluoroethylene and composition
DAIKIN IND LTD0 citations62
US12410266B2Sep 9, 2025
Method for manufacturing fluoropolymer
DAIKIN IND LTD0 citations62
US12404387B2Sep 2, 2025
Production method for fluoropolymer, surfactant for polymerization, and use of surfactant
DAIKIN IND LTD0 citations62
US12195617B2Jan 14, 2025
Composition and stretched body
DAIKIN IND LTD0 citations62
US12012470B2Jun 18, 2024
Production method for fluoropolymer, surfactant for polymerization, and use of surfactant
DAIKIN IND LTD0 citations62
DENSO CORP
7 patentsUS12204360B2Jan 21, 2025
Pedal device
DENSO CORP3 citations74
US12269452B2Apr 8, 2025
Pedal device
DENSO CORP2 citations73
US10975793B2Apr 13, 2021
Air flow measurement device
DENSO CORP4 citations73
US11326918B2May 10, 2022
Flowmeter
DENSO CORP2 citations72
US12304304B2May 20, 2025
Vehicle pedal module
DENSO CORP1 citations63
US11274621B2Mar 15, 2022
Air flow measurement device
DENSO CORP1 citations63
US11199430B2Dec 14, 2021
Physical quantity measurement device for measuring a physical quantity of a fluid
DENSO CORP1 citations63
MATSUSHITA ELECTRIC WORKS LTD
6 patentsUS6319211B1Nov 20, 2001
Facial aesthetic treatment apparatus
MATSUSHITA ELECTRIC WORKS LTD87 citations97
US6986212B2Jan 17, 2006
Hair dryer with minus ion generator
MATSUSHITA ELECTRIC WORKS LTD33 citations92
US6468235B2Oct 22, 2002
Facial aesthetic treatment apparatus
MATSUSHITA ELECTRIC WORKS LTD29 citations92
US6910281B2Jun 28, 2005
Hair drier with minus ion producer
MATSUSHITA ELECTRIC WORKS LTD12 citations84
US7165341B2Jan 23, 2007
Hair dryer with minus ion generator
MATSUSHITA ELECTRIC WORKS LTD11 citations83
US7120007B2Oct 10, 2006
Ion generating unit
MATSUSHITA ELECTRIC WORKS LTD17 citations80
WACKER CHEMIE GMBH
1 patentPANASONIC ELEC WORKS CO LTD
1 patentFUJI HEAVY IND LTD
1 patentSUBARU CORP
1 patentShowing the top 50 of 83 patents by PatentIndex Score.