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Inventor

Shigenori Yaguchi

Inventor
Shizuoka, JP

Overview

33→
Patents
1998–2021
Patent span
Physics
Primary field (CPC G)

Patents· 33 as inventor

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

G03Gprimary
G03GElectrography51%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering7%
B29BPreparation or pretreatment of the material to be shaped5%
B29CShaping or joining of plastics5%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
C08LCompositions of macromolecular compounds4%
B05DProcesses for applying fluent materials to surfaces, in general2%
B22FWorking metallic powder2%
B29LIndexing scheme associated with subclass b29c, relating to particular articles2%
PatentTitleYear
11,066,758Resin powder having pillar shape and specific circularity for solid freeform fabrication, device for solid freeform fabrication object, and method of manufacturing solid freeform fabrication object202111,052,649Resin powder for solid freeform fabrication, device for fabricating solid freeform fabrication object, and resin powder202110,800,096Resin powder for solid freeform fabrication and device for solid freeform fabrication object20209,782,935'Powder material for three-dimensional modeling, kit for three-dimensional modeling, device for manufacturing three-dimensional object, and method of manufacturing three-dimensional object'20179,519,234'Carrier, two-component developer, supplemental developer, image forming method, process cartridge and image forming apparatus'20169,304,427'Carrier for developing an electrostatic latent image, developer and image forming apparatus'20169,298,119'Carrier for two-component developer, two-component developer using the carrier, and image forming method and process cartridge using the two-component developer'20169,261,817'Replenishing developer housing container and image forming apparatus'20169,229,347'Carrier for two-component developer, two-component developer using the carrier, and process cartridge and image forming method and apparatus using the two component developer'20169,146,487'Carrier for developing electrostatic latent image, and electrostatic latent image developer'20158,916,325'Carrier for developing electrostatic latent image, tow-component developer and image forming method'20148,918,025'Image forming method and image forming apparatus'20148,903,270'Developing device, image forming apparatus, and process cartridge'20148,877,418'Developing method and image forming method'20148,787,804'Developing device including a developer container with toner particles and magnetic carrier particles (Rz=0.5−3.0 gm) and a developer bearing member (Rz=10−30 gm), and an image forming apparatus and process cartridge containing the same'20148,778,587'Carrier for electrostatic latent image developer, electrostatic latent image developer formed of carrier and toner, and process cartridge using the developer'20148,728,696'Toner, image forming method, and process cartridge'20148,663,892'Latent electrostatic image developing carrier, process cartridge and image forming apparatus'20148,652,738'Contact developing method, image forming apparatus, and process cartridge'20148,652,735'Carrier, developer, method of manufacturing carrier, developer container, image forming method, process cartridge, image forming apparatus, and supplemental developer'20148,637,218'Carrier for developing electrostatic latent image and developer'20148,524,436'Developing device, image forming method and apparatus, and process cartridge'20138,512,928'Carrier for developing electrostatic latent image, and two-component developer, supplemental developer, image forming apparatus, process cartridge, and image forming method using the carrier'20137,813,674'Developing toner for electrophotography and electro-photographic device'20107,570,904'Image forming apparatus'20097,459,252'Electrophotographic toner'20087,435,519'Electrophotographic toner and image forming apparatus'20087,327,974'Electrophotographic toner and image-forming system'20087,144,667'Electrostatic charge image developing toner, and developer, image forming apparatus and image forming method using the same toner'20067,022,448'Electrophotographic toner and image-forming system'20066,783,909'Electrostatic image developing toner and image forming method'20046,696,210'Electrostatic charge developing toner and image forming method using the same'20045,830,616'Magnetic latent image developing toner'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Based in Hachioji, JP· patent location history
2004–2010Based in Ibaraki, JP· patent location history
2008Based in Hitachinaka, JP· patent location history
2013–2021Patents assigned to RICOH CO LTD (23)· patent assignee history
2013–2021Patents assigned to YAGUCHI SHIGENORI (22)· patent assignee history
2013–2021Patents assigned to IWATSUKI HITOSHI (18)· patent assignee history
2013–2016Patents assigned to TANO TOYOAKI (14)· patent assignee history
2013–2016Patents assigned to KISHIDA HIROYUKI (13)· patent assignee history
2013–2017Based in Shizuoka, JP· patent location history
2020–2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD232013–2021
YAGUCHI SHIGENORIself222013–2021
IWATSUKI HITOSHI182013–2021
TANO TOYOAKI142013–2016
KISHIDA HIROYUKI132013–2016
Locations
LocationPatentsSpan
Shizuoka, JP202013–2017
Ibaraki, JP82004–2010
Tokyo, JP32020–2021
Hitachinaka, JP12008
Hachioji, JP11998