Inventor

Waka Hasegawa

Inventor
Tokyo, JP

Overview

28→
Patents
2009–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 28 as inventor

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

G03Gprimary
G03GElectrography33%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments25%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
C09DCoating compositions, e.g. paints, varnishes or lacquers13%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%
G02BOptical elements, systems or apparatus3%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices3%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds1%
C07DHeterocyclic compounds1%
C08LCompositions of macromolecular compounds1%
PatentTitleYear
10,545,424Liquid developer and method of producing liquid developer202010,423,084Method for producing liquid developer201910,087,328Compound having azo skeleton, pigment dispersant, pigment composition, pigment dispersion, and toner20189,926,450'Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner'20189,897,936'Method of producing curable liquid developer and curable liquid developer'20189,880,482'Ultraviolet-curable liquid developer and method of producing same'20189,857,716'Curable liquid developer and image-forming method using curable liquid developer'20189,834,683Compound having azo skeleton structure, pigment dispersant, pigment composition, pigment dispersion, and toner20179,777,087'Polymer including phthalocyanine structure, method for producing the polymer, pigment composition, pigment dispersion, and toner'20179,740,118'Method of producing liquid developer'20179,715,187'Method of producing a compound having a colorant structure, and toner containing a compound obtained by the production method'20179,625,845'Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner'20179,618,867'Pigment dispersion and toner'20179,593,243'Compound, pigment dispersing agent, pigment composition, pigment dispersion and toner containing said compound'20179,556,290'Method for producing compound having colorant structure at main chain terminal of polymer, and pigment dispersant, pigment composition, pigment dispersion and toner containing compound obtained by the production method'20179,470,995'Compound having azo skeleton and pigment dispersant, pigment composition, pigment dispersion, and toner containing the compound'20169,298,118'Azo compound, pigment dispersant containing the azo compound, pigment composition, pigment dispersion and toner'20169,249,308'Compound having bisazo dye skeleton, pigment composition containing the same, pigment dispersion, ink, and color filter resist composition'20169,229,345'Toner'20169,176,407'Toner and method for manufacturing toner particles'20158,962,726'Compound having bisazo skeleton, pigment dispersant containing the compound, pigment composition, pigment dispersion, ink and resist composition for color filter'20158,936,894'Magenta toner containing compound having AZO skeleton'20158,927,187'Cyan toner containing compound having azo skeleton'20158,916,318'Black toner containing compound having azo skeleton'20148,815,484'Toner including compound having bisazo skeleton'20147,981,207'Dye compound and ink containing dye compound'20117,981,205'Dye compound and ink containing dye compound'20117,504,488'Dye, dye production method and ink containing dye'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2020Patents assigned to CANON KK (28)· patent assignee history
2009–2015Based in Kawasaki, JP· patent location history
2015–2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK282009–2020
Locations
LocationPatentsSpan
Tokyo, JP212015–2020
Kawasaki, JP72009–2015