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Inventor

Yasuki Sakurai

Inventor
Aichi, JP

Overview

28→
Patents
2004–2020
Patent span
Physics
Primary field (CPC G)

Patents· 28 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus29%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%
H04BTransmission9%
H04JMultiplex communication8%
H04LTransmission of digital information, e.g. telegraphic communication6%
H04WWireless communication networks6%
G06FElectric digital data processing5%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation5%
G09GArrangements or circuits for control of indicating devices using static means to present variable information3%
H01LSemiconductor devices3%
PatentTitleYear
10,749,598Integrated optical device202010,488,592Optical power attenuator201910,469,162Detection device201910,409,011Detection device and manufacturing method of detection device201910,401,579Detection device and manufacturing method of detection device201910,321,492Wireless communication apparatus and wireless communication system201910,305,793Communication device for switching stacks and method of controlling execution of stacks201910,126,510Detection device201810,127,891Spatial optical modulating system201810,054,838Light control system201810,025,034Integrated optical device20189,733,979'Communication device'20179,720,168'Wavelength selective optical switch having specified characteristics of WDM signal light beam'20179,704,455'Information display apparatus and information display method for superimposing additional information on an image'20179,560,637'Management apparatus and communication system'20179,350,651'Packet forwarding device and wireless communication system'20169,306,699'Wavelength-selective switch array'20169,025,094'Wavelength selective optical switching devices'20158,780,319'Wavelength selective optical switch'20148,463,126'Optically variable filter array apparatus'20138,463,125'Optically variable filter array apparatus'20138,441,726'Optically variable filter apparatus and filter characteristic control method thereof'20138,437,634'Wavelength selective optical switch device'20138,107,818'Tunable filter'20127,777,957'Optical filter and tunable filter'20106,961,503'Planar lightwave circuit device and manufacturing method therefor'20056,787,867'Planar lightwave circuit device and manufacturing method therefor'20046,751,011'Characteristic measuring method and characteristic measuring system of wavelength division multiplexing optical amplifier'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2005Patents assigned to FUJITSU LTD (3)· patent assignee history
2004–2005Based in Kawasaki, JP· patent location history
2010–2020Patents assigned to SANTEC CORP (19)· patent assignee history
2010–2020Based in Aichi, JP· patent location history
2012–2019Patents assigned to SAKURAI YASUKI (7)· patent assignee history
2015Based in Kasugai, JP· patent location history
2016–2019Patents assigned to YOKOGAWA ELECTRIC CORP (6)· patent assignee history
2016–2019Based in Musashino, JP· patent location history
2017–2019Based in Tokyo, JP· patent location history
2019Patents assigned to AKISADA YUKIYO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANTEC CORP192010–2020
SAKURAI YASUKIself72012–2019
YOKOGAWA ELECTRIC CORP62016–2019
FUJITSU LTD32004–2005
AKISADA YUKIYO12019
Locations
LocationPatentsSpan
Aichi, JP182010–2020
Tokyo, JP42017–2019
Kawasaki, JP32004–2005
Musashino, JP22016–2019
Kasugai, JP12015