Inventor

Tomotaka Takamura

Inventor

Miyagi, JP

Overview

2001–2011

Patent span

Physics

Primary field (CPC G)

Patents· 10 as inventor

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

G03Gprimary

G03GElectrography30%

G02BOptical elements, systems or apparatus22%

H05BElectric heating17%

Y10TTechnical subjects covered by former us classification9%

B41JTypewriters4%

F16CShafts4%

H02KDynamo-electric machines4%

H04NPictorial communication, e.g. television4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

PatentTitleYear

7,898,709'Optical scan apparatus, image formation apparatus, optical deflector manufacturing method, polygon mirror processing method, and polygon mirror processing apparatus'2011 7,813,020'Hydrodynamic bearing unit, and optical deflector, optical scanner and image forming apparatus using the same'2010 7,671,884'Rotary drive apparatus, optical scan apparatus, and image formation apparatus'2010 7,602,540'Optical deflector, optical scanner, and image forming apparatus'2009 7,420,723'Optical deflector, production method thereof, optical scanning device, and image forming apparatus'2008 7,135,660'Induction heating type fixing device for an image forming apparatus and induction heating coil therefor'2006 6,946,629'Induction heating type fixing device for an image forming apparatus and induction heating coil therefor'2005 6,753,515'Induction heating type fixing device for an image forming apparatus and induction heating coil therefor'2004 6,292,648'Fixing device using induction heating for image forming apparatus'2001 6,262,404'Induction heating type fixing device and method of producing an induced current generating member therefor'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2010Patents assigned to RICOH KK (8)· patent assignee history

2001–2010Patents assigned to TOHOKU RIKO KK (7)· patent assignee history

2001–2011Based in Miyagi, JP· patent location history

2011Patents assigned to RICOH CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH KK	8	2001–2010
TOHOKU RIKO KK	7	2001–2010
RICOH CO LTD	1	2011

Locations

Location	Patents	Span
Miyagi, JP	10	2001–2011