Inventor

Eiji Sawamura

Inventor

Yokohama, JP

Overview

1995–2012

Patent span

Physics

Primary field (CPC G)

Patents· 12 as inventor

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

G03Gprimary

G03GElectrography65%

H04NPictorial communication, e.g. television24%

G01KMeasuring temperature6%

Y10TTechnical subjects covered by former us classification6%

PatentTitleYear

8,137,883'Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container'2012 7,989,131'Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container'2011 7,643,784'Fixing apparatus, fixing member used in the fixing apparatus, and image forming apparatus having the fixing apparatus'2010 7,480,478'Method and apparatus for image forming capable of effectively fixing a toner image on a recording sheet by using induction heating'2009 5,999,789'Fixing device for an image forming apparatus'1999 5,913,095'Image forming apparatus'1999 5,774,232'Image recording apparatus'1998 5,745,664'Image synthesizing method and image recording apparatus which electronically synthesizes an image with a page of information'1998 5,717,843'Image recording apparatus'1998 5,602,651'Image recording apparatus'1997 5,426,495'Image fixing device having heating portion at one end thereof'1995 5,400,123'Image forming apparatus capable of erasing an image recorded in a sheet'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2010Patents assigned to RICOH KK (10)· patent assignee history

1995–2012Based in Yokohama, JP· patent location history

1999Based in Kanagawa, JP· patent location history

2011–2012Patents assigned to RICOH CO LTD (2)· patent assignee history

2012Patents assigned to EMOTO SHIGERU (1)· patent assignee history

2012Patents assigned to INOUE RYOTA (1)· patent assignee history

2012Patents assigned to OHKI MASAHIRO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH KK	10	1995–2010
RICOH CO LTD	2	2011–2012
EMOTO SHIGERU	1	2012
INOUE RYOTA	1	2012
OHKI MASAHIRO	1	2012

Locations

Location	Patents	Span
Yokohama, JP	10	1995–2012
Kanagawa, JP	2	1999