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Inventor

Akira Uematsu

Inventor
Suwa, JP

Overview

15→
Patents
1993–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 15 as inventor

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

H01Lprimary
H01LSemiconductor devices20%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation20%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light17%
A61BDiagnosis7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
G02BOptical elements, systems or apparatus7%
H04LTransmission of digital information, e.g. telegraphic communication7%
G11CStatic stores5%
G01BMeasuring length, thickness or similar linear dimensions2%
H04BTransmission2%
PatentTitleYear
10,241,033Spectroscopic sensor device and electronic equipment20199,885,604'Optical sensor and electronic apparatus'20189,691,803'Semiconductor wafer, method for manufacturing light receiving sensor, and light receiving sensor'20179,683,894'Spectroscopic sensor and electronic apparatus'20179,400,213'Spectroscopic sensor device and electronic equipment'20169,357,956'Spectroscopic sensor and electronic apparatus'20168,976,357'Optical sensor and electronic apparatus utilizing an angle limiting filter'20158,848,187'Spectroscopic sensor device and electronic equipment'20148,710,606'Optical sensor and electronic apparatus'20147,567,800'Content delivery system'20097,176,709'Receiving device'20077,075,897'Method for resolving duplication of terminal identifiers in a wireless communication system'20066,778,508'Multiple access communication system'20045,345,420'Semiconductor memory device'19945,260,899'Sense amplifier for semiconductor memory device'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2019Patents assigned to SEIKO EPSON CORP (12)· patent assignee history
1993–1994Based in Nagano, JP· patent location history
2004–2009Patents assigned to NEC CORP (3)· patent assignee history
2004–2009Based in Tokyo, JP· patent location history
2007–2019Based in Suwa, JP· patent location history
2014–2016Patents assigned to UEMATSU AKIRA (4)· patent assignee history
2014–2015Patents assigned to SATO YOICHI (3)· patent assignee history
2014–2016Patents assigned to KOMATSU AKIRA (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP121993–2019
UEMATSU AKIRAself42014–2016
NEC CORP32004–2009
SATO YOICHI32014–2015
KOMATSU AKIRA22014–2016
Locations
LocationPatentsSpan
Suwa, JP102007–2019
Tokyo, JP32004–2009
Nagano, JP21993–1994