LexDanaLexDanabeta
Inventor

Toyoshi Sawada

Inventor
Kanagawa, JP

Overview

52→
Patents
2003–2021
Patent span
Physics
Primary field (CPC G)

Patents· 52 as inventor

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

G03Gprimary
G03GElectrography85%
Y10TTechnical subjects covered by former us classification5%
B41MPrinting, duplicating, marking, or copying processes3%
B82YSpecific uses or applications of nanostructures3%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
11,061,344Toner, toner stored unit, image forming apparatus, and image forming method202110,620,557Toner, toner set, toner accommodating unit, image forming method, and image forming apparatus202010,564,571Toner set, image forming apparatus, and image forming method202010,451,987Toner, image forming apparatus, image forming method, and toner accommodating unit20199,885,967'Resin for toner, toner, developer, image forming apparatus, and process cartridge'20189,851,649Toner, developer, image forming apparatus, and image forming method20179,804,515'Toner, image forming apparatus, image forming method, process cartridge, and developer'20179,785,075'Toner, developer, image forming apparatus, and process cartridge'20179,594,322'Toner for image formation, and developer and image forming apparatus using the toner'20179,176,406'Toner, development agent, image forming apparatus, and process cartridge'20159,176,409'Toner, development agent, toner container, and image forming apparatus'20159,146,487'Carrier for developing electrostatic latent image, and electrostatic latent image developer'20158,927,186'Toner, and developer, image forming method and process cartridge using the toner'20158,903,270'Developing device, image forming apparatus, and process cartridge'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'20148,785,093'Image forming toner, and developer and process cartridge using the toner'20148,778,583'Toner, developer, image forming apparatus, and process cartridge'20148,778,587'Carrier for electrostatic latent image developer, electrostatic latent image developer formed of carrier and toner, and process cartridge using the developer'20148,748,071'Image forming method, toner and image forming apparatus'20148,741,520'Image forming toner, image forming apparatus, image forming method, and process cartridge'20148,663,892'Latent electrostatic image developing carrier, process cartridge and image forming apparatus'20148,652,735'Carrier, developer, method of manufacturing carrier, developer container, image forming method, process cartridge, image forming apparatus, and supplemental developer'20148,652,738'Contact developing method, image forming apparatus, and process cartridge'20148,637,218'Carrier for developing electrostatic latent image and developer'20148,603,713'Toner, and developer, toner cartridge, image forming apparatus, process cartridge and image forming method using the same'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'20138,383,307'Toner, developer, and image forming method and apparatus using the toner'20138,377,620'Image forming apparatus, image forming method, and toner for image forming apparatus'20138,263,302'Carrier for electrophotography and two-component developer'20127,824,834'Toner for developing electrostatic image, method for preparing the toner, and image forming method and apparatus using the toner'20107,799,498'Toner used for image forming apparatus'20107,695,878'Image forming apparatus, process cartridge and toner for use in the image forming apparatus'20107,550,243'Toner, developer, toner container, process cartridge, fixing process, image forming apparatus, and image forming process'20097,413,839'Toner, developer, toner container, process cartridge, and an image forming apparatus'20087,386,266'Image removing method, image removing device, and image forming apparatus'20087,379,696'Toner for developing electrostatic image, fixing method for fixing image formed of the toner, and image forming method and process cartridge using the toner'20087,235,338'Toner and image forming method and process cartridge for image forming apparatus using the toner'20077,217,485'Toner for electrophotography, and image fixing process, image forming process, image forming apparatus and process cartridge using the same'20077,163,774'Toner for forming image, method for developing electrostatic latent image, method for fixing toner image, image forming method and process cartridge using the toner'20077,132,210'Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming process'20067,060,407'Image removing method, image removing device, and image forming apparatus'20067,052,815'Color toner for developing electrostatic images, toner container containing the color toner, and image forming method and apparatus using the color toner'20067,049,037'Color toner, method for manufacturing the toner, and image forming apparatus and method using the toner'20066,977,129'Charge control agent, toner using same developer containing the toner and developing device containing the developer'20056,939,653'Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming process'20056,858,365'Toner for developing electrostatic latent image, developing method and developing apparatus'20056,852,459'Color toner, method for manufacturing the toner, and image forming apparatus and method using the toner'20056,830,859'Charge control agent and toner using same'20046,821,698'Toner for developing electrostatic latent image, toner cartridge, image forming method, process cartridge and image forming apparatus'20046,716,561'Toner for developing electrostatic latent image and image forming method using same'20046,653,037'Toner for developing latent electrostatic images, and image forming method and device'20036,566,026'Toner for developing electrostatic latent image, toner container containing the toner, and image forming method and apparatus using the toner'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2010Patents assigned to RICOH KK (22)· patent assignee history
2003–2009Based in Odawara, JP· patent location history
2005–2018Based in Kanagawa, JP· patent location history
2010–2014Based in Hiratsuka, JP· patent location history
2012–2021Patents assigned to RICOH CO LTD (29)· patent assignee history
2012–2021Patents assigned to SAWADA TOYOSHI (29)· patent assignee history
2013–2015Patents assigned to YAGUCHI SHIGENORI (9)· patent assignee history
2013–2015Patents assigned to IWATSUKI HITOSHI (7)· patent assignee history
2014Based in Hiraisuka, JP· patent location history
2019–2021Based in Shizuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD292012–2021
SAWADA TOYOSHIself292012–2021
RICOH KK222003–2010
YAGUCHI SHIGENORI92013–2015
IWATSUKI HITOSHI72013–2015
Locations
LocationPatentsSpan
Kanagawa, JP232005–2018
Odawara, JP162003–2009
Hiratsuka, JP62010–2014
Shizuoka, JP42019–2021
Hiraisuka, JP12014