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Inventor

Kyoichi Shirota

Inventor
Wakayama, JP

Overview

7→
Patents
2001–2016
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

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

C04Bprimary
C04BLime, magnesia33%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds17%
C09DCoating compositions, e.g. paints, varnishes or lacquers17%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments8%
C11DDetergent compositions8%
G02BOptical elements, systems or apparatus8%
PatentTitleYear
9,376,532'Quaternary ammonium salt compound'20168,680,174'Water-based ink for ink-jet printing'20148,394,871'Aqueous ink for inkjet recording'20137,470,733'Additive for hydraulic compositions'20087,030,178'Powder dispersant for hydraulic compositions'20067,030,177'Powder dispersant for hydraulic compositions'20066,239,241'Concrete admixture'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2016Patents assigned to KAO CORP (7)· patent assignee history
2001–2016Based in Wakayama, JP· patent location history
2013–2014Patents assigned to DOI YASUHIRO (2)· patent assignee history
2013–2014Patents assigned to HIRAISHI ATSUSHI (2)· patent assignee history
2013–2014Patents assigned to SHIROTA KYOICHI (2)· patent assignee history
2013Patents assigned to NARITA MASAYUKI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAO CORP72001–2016
DOI YASUHIRO22013–2014
HIRAISHI ATSUSHI22013–2014
SHIROTA KYOICHIself22013–2014
NARITA MASAYUKI12013
Locations
LocationPatentsSpan
Wakayama, JP72001–2016