Inventor
Kazuhiko Hirokawa
Inventor
Kanagawa, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography23%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments19%
C09DCoating compositions, e.g. paints, varnishes or lacquers19%
B41JTypewriters6%
B41MPrinting, duplicating, marking, or copying processes6%
C07DHeterocyclic compounds6%
Y10TTechnical subjects covered by former us classification6%
B82YSpecific uses or applications of nanostructures3%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
PatentTitleYear
10,494,535Near-infrared absorbent dispersion, aqueous ink for ink jet recording, and aqueous ink set for ink jet recording201910,407,585Aqueous ink for ink jet recording, aqueous ink set for ink jet recording, and ink jet recording method20199,782,976'Liquid supply device and droplet ejecting apparatus'20179,550,902'Aqueous ink, ink cartridge, ink drying system, ink drying method, recording apparatus, and recording method'20178,676,098'Developing device and image forming apparatus'20148,343,701'Image forming material'20138,268,523'Black color material and toner'20128,120,819'Image processing device and image forming device for generating corrected image data for a source image according to absorption wavelength characteristics of invisible coloring material'20128,017,291'Image-forming material'20118,007,975'Colorant and toner'20117,985,291'Perimidine-substituted squarylium dye, dispersion medium, detection medium and image forming material'20117,951,960'Black color material and toner'20117,910,733'Image-forming material'20117,679,807'Display medium, display device and display method'20107,667,047'Colorant'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2019Patents assigned to FUJI XEROX CO LTD (15)· patent assignee history
2010–2019Based in Kanagawa, JP· patent location history
2011–2013Based in Ashigarakami-gun, JP· patent location history
2012–2014Patents assigned to HIROKAWA KAZUHIKO (4)· patent assignee history
2012–2013Patents assigned to FURUKI MAKOTO (3)· patent assignee history
2012–2013Patents assigned to HASEGAWA SHINJI (3)· patent assignee history
2012–2013Patents assigned to ITO YUKA (3)· patent assignee history
2014–2019Based in Ebina, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI XEROX CO LTD | 15 | 2010–2019 |
| HIROKAWA KAZUHIKOself | 4 | 2012–2014 |
| FURUKI MAKOTO | 3 | 2012–2013 |
| HASEGAWA SHINJI | 3 | 2012–2013 |
| ITO YUKA | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 11 | 2010–2019 |
| Ebina, JP | 2 | 2014–2019 |
| Ashigarakami-gun, JP | 2 | 2011–2013 |