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Inventor

Chiaki Yamada

Inventor
Ibaraki, JP

Overview

31→
Patents
1988–2020
Patent span
Physics
Primary field (CPC G)

Patents· 31 as inventor

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

G03Gprimary
G03GElectrography36%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture11%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
C12NMicroorganisms or enzymes4%
C12YEnzymes4%
C13KSaccharides obtained from natural sources or by hydrolysis of naturally occurring disaccharides, oligosaccharides or polysaccharides4%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations2%
B01DSeparation2%
PatentTitleYear
10,761,466Fixing device for setting the glossiness of the toner image202010,563,238Method of producing a sugar liquid202010,558,159Image forming device and method for controlling the same202010,435,728Endoxylanase mutant, enzyme composition for biomass decomposition, and method of producing sugar solution201910,310,400Developer for electrostatic latent image201910,253,343Method of producing sugar solution and xylooligosaccharide201910,180,635Liquid developer201910,175,620Fixing device and image forming apparatus201910,041,100Method of producing sugar solution20189,989,906Fixing device, image forming apparatus, and method of controlling image forming apparatus20189,909,158'Method of producing sugar solution including washing with aqueous alkaline and inorganic salt solutions'20189,605,291'Sugar-solution production method'20179,581,925'Liquid developer and method for manufacturing the same'20179,429,890'Fixing device, image forming apparatus and fixing method'20169,395,641'Liquid developer'20169,389,530'Liquid developer'20169,291,929'Toner for developing electrostatic latent image'20169,291,930'Toner for developing electrostatic latent image'20169,164,407'Electrostatic latent image developer'20159,146,488'Liquid developer'20159,115,051'Method for producing polyamine composition from plant'20159,023,571'Liquid developer'20158,974,996'Liquid developer'20158,617,782'Liquid developer'20138,119,318'Wet developer'20126,909,868'Brush charger for static-charging a photosensitive member and image forming apparatus'20056,355,370'Solid polyelectrolyte fuel cell having a solid polyelectrolyte membrane with varying water content'20026,242,123'Solid polyelectrolyte membrane for fuel cells, and method for producing it'20016,224,994'Solid polyelectrolyte-type fuel cell'20015,638,209'Mirror apparatus'19974,793,651'Heat-retaining air-filled seat cover for lumbar support'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2002Patents assigned to AISIN SEIKI (5)· patent assignee history
1997–2001Based in Hekinan, JP· patent location history
2001–2002Based in Aichi, JP· patent location history
2012–2015Patents assigned to KONICA MINOLTA BUSINESS TECH (3)· patent assignee history
2012–2015Patents assigned to YAMADA CHIAKI (3)· patent assignee history
2012–2020Based in Ibaraki, JP· patent location history
2015–2020Patents assigned to KONICA MINOLTA INC (15)· patent assignee history
2017–2020Patents assigned to TORAY INDUSTRIES (6)· patent assignee history
2017–2020Based in Kamakura, JP· patent location history
2019–2020Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONICA MINOLTA INC152015–2020
TORAY INDUSTRIES62017–2020
AISIN SEIKI51988–2002
KONICA MINOLTA BUSINESS TECH32012–2015
YAMADA CHIAKIself32012–2015
Locations
LocationPatentsSpan
Ibaraki, JP162012–2020
Kamakura, JP52017–2020
Osaka, JP22019–2020
Aichi, JP22001–2002
Hekinan, JP21997–2001