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Inventor

Takeshi Sowa

Inventor
Matsumoto, JP

Overview

30→
Patents
2003–2019
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.

B41Jprimary
B41JTypewriters34%
G02BOptical elements, systems or apparatus30%
G03GElectrography19%
H04NPictorial communication, e.g. television9%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light2%
H05BElectric heating2%
PatentTitleYear
10,379,427Projector and method of driving projector20199,507,247'Projector'20168,405,700'Exposure head and image forming apparatus with light emitting element emitting light forming first and second diagrams having angle'20138,355,185'Exposure head and image forming apparatus'20138,274,741'Lens array, an exposure head and an image forming apparatus'20128,264,510'Exposure head and image forming apparatus'20128,253,767'Line head and image forming apparatus'20128,194,112'Line head and image forming apparatus'20128,184,140'Line head and image forming apparatus'20128,179,416'Line head and image forming apparatus'20128,120,635'Exposure head and an image forming apparatus'20128,089,695'Line head and image forming apparatus using the same'20128,089,499'Exposure head and an image forming apparatus'20128,085,470'Line head and an image forming apparatus'20118,022,975'Line head and image forming apparatus using the same'20118,018,511'Solid-state imaging device'20117,952,601'Lens array, exposure head, and image forming apparatus'20117,929,008'Line head and an image forming apparatus'20117,889,222'Lens array for a line head, a line head and an image forming apparatus'20117,848,023'Lens array, an exposure head and an image forming apparatus'20107,787,003'Image forming apparatus'20107,733,363'Line head and image forming device using the same'20107,719,560'Line head and imaging apparatus incorporating the same'20107,679,798'Optical scanning device and cover glass cleaning mechanism for optical scanning device'20107,385,619'Image forming apparatus'20087,330,295'Optical scanning device and cover glass cleaning mechanism for optical scanning device'20087,256,918'Optical scanning device and image forming apparatus incorporating the same'20077,098,448'Method and apparatus for measuring beam spot of scanning light'20066,628,443'Optical scanner'20036,621,610'Light deflective optical system'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2019Patents assigned to SEIKO EPSON CORP (28)· patent assignee history
2003–2013Based in Nagano, JP· patent location history
2010–2019Based in Matsumoto, JP· patent location history
2010Based in Suwa, JP· patent location history
2011–2013Patents assigned to SOWA TAKESHI (12)· patent assignee history
2011–2012Patents assigned to NOMURA YUJIRO (8)· patent assignee history
2011Based in Kyoto, JP· patent location history
2012–2013Patents assigned to KOIZUMI RYUTA (7)· patent assignee history
2012–2013Patents assigned to IKUMA KEN (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP282003–2019
SOWA TAKESHIself122011–2013
NOMURA YUJIRO82011–2012
KOIZUMI RYUTA72012–2013
IKUMA KEN62012–2013
Locations
LocationPatentsSpan
Matsumoto, JP182010–2019
Nagano, JP102003–2013
Kyoto, JP12011
Suwa, JP12010