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Inventor

Kouhei Nakagawa

Inventor
Tokyo, JP

Overview

22→
Patents
2008–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 22 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers57%
B41JTypewriters32%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments5%
B41MPrinting, duplicating, marking, or copying processes3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
PatentTitleYear
10,864,747Ink jet recording method and ink jet recording apparatus202010,843,482Ink jet recording method and ink jet recording apparatus202010,843,483Ink jet recording method and ink jet recording apparatus202010,723,135Ink jet recording method and ink jet recording apparatus202010,603,909Ink jet recording method and ink jet recording apparatus202010,562,305Ink jet recording method and ink jet recording apparatus202010,563,076Ink jet recording method and ink jet recording apparatus202010,479,082Ink jet recording method and ink jet recording apparatus201910,280,326Ink jet recording method and ink jet recording device20199,957,399Aqueous ink, ink cartridge, and ink jet recording method20189,605,170'Ink set and ink jet recording method'20179,598,592'Ink set and ink jet recording method'20179,388,322'Ink, ink cartridge and ink jet recording process'20169,045,660'Ink set and ink jet recording method'20158,876,962'Aqueous ink, ink cartridge, and ink jet recording method'2014RE044863'Ink, ink jet recording method, ink cartridge, and ink jet recording apparatus'20148,273,168'Ink, ink jet recording method, ink cartridge, and ink jet recording apparatus'20127,976,146'Ink jet recording ink tank'20117,901,500'Ink set, ink jet recording method, ink cartridge, recording unit, ink jet recording apparatus, and image forming method'20117,854,798'Ink set, image forming method, ink jet recording method, ink cartridge, and recording unit'20107,705,071'Aqueous ink, ink-jet recording method, ink cartridge, recording unit and ink jet recording apparatus'20107,381,257'Aqueous ink, ink-jet recording method, ink cartridge, recording unit and ink jet recording apparatus'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2020Patents assigned to CANON KK (22)· patent assignee history
2008–2011Based in Yokohama, JP· patent location history
2010–2016Based in Kawasaki, JP· patent location history
2012–2014Patents assigned to NAKAGAWA KOUHEI (2)· patent assignee history
2012–2014Patents assigned to OKAZAKI SHUICHI (2)· patent assignee history
2012Patents assigned to HAKAMADA SHINICHI (1)· patent assignee history
2012Patents assigned to KAKIKAWA HIROSHI (1)· patent assignee history
2017–2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK222008–2020
NAKAGAWA KOUHEIself22012–2014
OKAZAKI SHUICHI22012–2014
HAKAMADA SHINICHI12012
KAKIKAWA HIROSHI12012
Locations
LocationPatentsSpan
Tokyo, JP122017–2020
Kawasaki, JP72010–2016
Yokohama, JP32008–2011