Inventor

Kohki Katoh

Inventor
Shizuoka, JP

Overview

22→
Patents
2000–2008
Patent span
Physics
Primary field (CPC G)

Patents· 22 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 classification8%
B82YSpecific uses or applications of nanostructures4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
7,346,287'Transfer device for forming a stable transfer electric field, and an image forming apparatus including the transfer device'20087,122,286'Toner for development of electrostatic latent images, method of forming images, image formation apparatus, toner container containing the toner therein, and image formation apparatus equipped with the toner container'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'20066,916,587'Toner, developer, and image forming method and apparatus'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'20056,829,450'Transfer bias applying method for an image forming apparatus and device for the same'20046,818,370'Toner for developing electrostatic latent image, toner cartridge containing the toner and image forming apparatus'20046,785,500'Image forming apparatus including image transfer body with elastic layer and coating layer'20046,741,821'Image forming apparatus, and process cartridge for use in image forming apparatus'20046,740,461'Carrier and two-component developer for electrophotography'20046,733,939'Toner, developer and container for the developer, and method of and apparatus for forming an image'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'20036,618,565'Transfer bias applying method for an image forming apparatus and device for the same'20036,566,026'Toner for developing electrostatic latent image, toner container containing the toner, and image forming method and apparatus using the toner'20036,363,229'Full-color toner image fixing method and apparatus'20026,303,258'Electrophotographic toner and image forming method using the toner'20016,258,502'Two-component developer, two-component developer holding container, and electrophotographic image formation apparatus equipped with the container'20016,183,926'Toner and two-component developer for electrophotographic process and image formation method and image formation apparatus using the toner'20016,074,794'Toner for dry developing'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2008Patents assigned to RICOH KK (22)· patent assignee history
2000–2006Based in Shizuoka, JP· patent location history
2003–2006Based in Tokyo, JP· patent location history
2003–2004Based in Sunto-gun, JP· patent location history
2005Based in Nishikamo-gun, JP· patent location history
2008Based in Meguro-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK222000–2008
Locations
LocationPatentsSpan
Shizuoka, JP92000–2006
Tokyo, JP92003–2006
Sunto-gun, JP22003–2004
Meguro-ku, JP12008
Nishikamo-gun, JP12005