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Inventor

Yohichiroh Miyaguchi

Inventor
Yokohama, JP

Overview

5→
Patents
2003–2010
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G03Gprimary
G03GElectrography100%
PatentTitleYear
7,672,604'Image forming apparatus and image forming method using electrostatic transport and hopping'20107,526,238'Developing device, process cartridge and image forming apparatus moving toner particles by a phase-shifting electric field'20097,308,222'Toner supplying system for an image forming apparatus'20077,236,720'Image forming apparatus and process cartridge'20076,597,884'Image forming apparatus including electrostatic conveyance of charged toner'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2010Patents assigned to RICOH KK (5)· patent assignee history
2003–2007Based in Kanagawa, JP· patent location history
2007–2010Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK52003–2010
Locations
LocationPatentsSpan
Yokohama, JP32007–2010
Kanagawa, JP22003–2007