LexDanaLexDanabeta
Inventor

Ryosuke Fujii

Inventor
Wakayama, JP

Overview

21→
Patents
1980–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 21 as inventor

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

G03Gprimary
G03GElectrography17%
A61KPreparations for medical, dental or toiletry purposes15%
A61QSpecific use of cosmetics or similar toiletry preparations15%
C08BPolysaccharides9%
C07DHeterocyclic compounds4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
C08LCompositions of macromolecular compounds4%
C11DDetergent compositions4%
A01KAnimal husbandry2%
A45DHairdressing or shaving equipment2%
PatentTitleYear
11,048,181Electrophotographic photoreceptor, process cartridge, and image-forming apparatus202111,016,404Electrophotographic photoreceptor, process cartridge, and image forming apparatus202110,890,854Electrophotographic photoreceptor, process cartridge, image forming apparatus, and imide compound202110,732,168Cell imaging device, cell imaging method, and sample cell202010,705,441Electrophotographic photoreceptor, process cartridge, and image-forming apparatus202010,663,897Fixing member, method for producing fixing member, fixing device, and image forming apparatus202010,641,386Automatic transmission control decice202010,514,621Electrophotographic photoreceptor, process cartridge, image forming apparatus, and imide compound201910,459,389Image forming apparatus201910,195,135Organopolysiloxane graft polymer201910,039,702Cleansing composition for skin or hair20189,874,844Image forming system and image forming apparatus20189,868,793'Cationic group-containing cellulose ether'20189,458,249'Cellulose ether containing cationic group'20169,456,977'Cationized glycerolated cellulose'20169,040,476'Skin cleanser composition'20158,141,517'Expandable pet pen'20127,858,567'Skin cleansing compositions'20107,435,710'Detergent composition comprising a sub-stoichiometric alkoxylated phosphate ester'20087,183,244'Detergent compositions comprising a mixture of phosphate esters'20074,217,762'Ice making equipment'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2019Patents assigned to KAO CORP (9)· patent assignee history
2007–2019Based in Wakayama, JP· patent location history
2012–2015Patents assigned to FUJII RYOSUKE (2)· patent assignee history
2015Patents assigned to DOI YASUHIRO (1)· patent assignee history
2018–2019Patents assigned to KONICA MINOLTA INC (2)· patent assignee history
2018–2019Based in Hachioji, JP· patent location history
2019–2021Patents assigned to FUJI XEROX CO LTD (5)· patent assignee history
2019–2021Based in Kanagawa, JP· patent location history
2020Based in Kobe, JP· patent location history
2020Based in Atsugi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAO CORP92007–2019
FUJI XEROX CO LTD52019–2021
FUJII RYOSUKEself22012–2015
KONICA MINOLTA INC22018–2019
DOI YASUHIRO12015
Locations
LocationPatentsSpan
Wakayama, JP92007–2019
Kanagawa, JP62019–2021
Hachioji, JP22018–2019
Kobe, JP12020
Atsugi, JP12020