Inventor

Taku Amada

Inventor

Kanagawa, JP

Overview

1999–2016

Patent span

Physics

Primary field (CPC G)

Patents· 30 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus38%

B41JTypewriters28%

H04NPictorial communication, e.g. television15%

G03GElectrography13%

G06KGraphical data reading3%

G01BMeasuring length, thickness or similar linear dimensions1%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein1%

H01N1%

PatentTitleYear

9,228,825'Positional change measurement device, positional change measurement method, and image forming apparatus'2016 8,928,716'Optical scanning device and image forming apparatus in which a plurality of scanning optical systems except one include a reflecting mirror'2015 8,908,001'Optical scanning device and image forming apparatus'2014 8,593,497'Flow guide for optical scanning device and image forming apparatus'2013 8,270,053'Holding mechanism for long length optical element, optical scanning device, and image forming device'2012 8,228,583'Optical scanning device and image forming apparatus'2012 8,217,978'Optical scanning apparatus, an image formation apparatus, and a phase modulation method'2012 8,174,747'Optical scanning apparatus and image forming apparatus'2012 RE042865'Image forming system employing effective optical scan-line control device'2011 8,031,362'Optical scanning device, image forming apparatus, and liquid crystal element'2011 7,936,492'Light source device, optical scanning device, and image forming apparatus'2011 7,800,641'Light source unit, optical scan apparatus, and image formation apparatus'2010 7,777,774'Image forming system employing effective optical scan-line control device'2010 7,719,737'Optical scanning device, image forming apparatus and liquid crystal device driving method'2010 7,710,445'Light source unit, optical scan apparatus, and image formation apparatus'2010 7,706,040'Optical scanning apparatus, illuminant apparatus and image forming apparatus'2010 7,684,100'Optical-element holding device, method of adjusting shape of optical element, optical-element shape adjusting device, method of correcting scanning line variation, optical scanning device, and image forming apparatus'2010 7,532,227'Optical scanner and image forming apparatus'2009 7,525,561'Optical scanner and image forming apparatus'2009 7,505,060'Light scanning apparatus having a liquid crystal deflector and image forming apparatus using the same'2009 7,460,145'Multi-beam pitch adjusting apparatus and image forming apparatus'2008 7,450,274'Optical scanning apparatus, image forming apparatus, and beam positioning method'2008 7,403,316'Optical scanning device, image forming apparatus and liquid crystal device driving method'2008 7,333,254'Optical scanning apparatus, illuminant apparatus and image forming apparatus'2008 7,206,014'Multi-beam pitch adjusting apparatus and image forming apparatus'2007 7,145,589'Light scanning apparatus having a liquid crystal deflector and image forming apparatus using the same'2006 7,050,082'Image forming system employing effective optical scan-line control device'2006 6,771,300'Multi-beam scanning device'2004 6,621,512'Multi-beam light source device and multi-beam scanning apparatus using the same'2003 5,952,649'Optical write apparatus with an operation for even charging of photosensitive element'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2010Patents assigned to RICOH KK (19)· patent assignee history

1999–2015Based in Kanagawa, JP· patent location history

2004–2008Based in Yokohama, JP· patent location history

2010–2016Based in Yamato, JP· patent location history

2011–2016Patents assigned to RICOH CO LTD (11)· patent assignee history

2012–2016Patents assigned to AMADA TAKU (8)· patent assignee history

2012–2013Patents assigned to NAKAJIMA TOMOHIRO (2)· patent assignee history

2012Patents assigned to ATSUUMI HIROMICHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH KK	19	1999–2010
RICOH CO LTD	11	2011–2016
AMADA TAKUself	8	2012–2016
NAKAJIMA TOMOHIRO	2	2012–2013
ATSUUMI HIROMICHI	1	2012

Locations

Location	Patents	Span
Kanagawa, JP	22	1999–2015
Yamato, JP	5	2010–2016
Yokohama, JP	3	2004–2008