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Inventor

Tatsuhiko Saito

Inventor
Yokohama, JP

Overview

20→
Patents
1985–2018
Patent span
Chemistry
Primary field (CPC C)

Patents· 20 as inventor

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

C03Bprimary
C03BManufacture, shaping, or supplementary processes23%
G02BOptical elements, systems or apparatus14%
Y02PClimate change mitigation technologies in the production or processing of goods12%
C03CChemical composition of glasses, glazes or vitreous enamels9%
H04JMultiplex communication7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B01DSeparation5%
H04BTransmission5%
H04QSelecting5%
A61BDiagnosis2%
PatentTitleYear
9,978,368Information providing system20189,450,698'Optical transmission device, optical transmission system, and optical transmission method'20169,270,382'Optical communication apparatus and control method thereof'20169,112,637'Optical transmission device and method'20159,077,475'Optical packet switching system and method for controlling the peak power'20159,040,859'Detecting apparatus, removing apparatus, detecting method, and removing method'20159,002,439'Blood vessel wall analyzing device and blood vessel wall analyzing method'20157,212,717'Optical fiber'20076,709,997'Silica glass article and manufacturing process therefor'20046,438,997'Method of elongating glass preform'20026,333,283'Silica glass article and manufacturing process therefor'20016,138,481'Glassrod elongation heating furnance having double bellows'20005,983,673'Silica glass article and manufacturing process therefor'19995,942,019'Elongating apparatus and method for glass preform and furnace body for elongating apparatus'19995,755,849'Method for elongating glass preform'19985,474,589'UV light-permeable glass and article comprising the same'19955,438,640'Optical waveguide device for receiving functional component'19955,236,482'Method for producing glass preform for optical fiber'19934,780,178'Rotary evaporator with control system'19884,522,684'Elevational operating device for a rotary evaporator'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1988Based in Machida, JP· patent location history
1993–2015Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (13)· patent assignee history
1993Based in Osaka, JP· patent location history
1995–2015Based in Yokohama, JP· patent location history
2015–2016Patents assigned to FUJITSU LTD (4)· patent assignee history
2015–2016Patents assigned to FUJITSU TELECOM NETWORKS LTD (4)· patent assignee history
2015Patents assigned to SAITO TATSUHIKO (3)· patent assignee history
2015Patents assigned to SUGANUMA HIROSHI (2)· patent assignee history
2015–2016Based in Kawasaki, JP· patent location history
2018Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO ELECTRIC INDUSTRIES131993–2015
FUJITSU LTD42015–2016
FUJITSU TELECOM NETWORKS LTD42015–2016
SAITO TATSUHIKOself32015
SUGANUMA HIROSHI22015
Locations
LocationPatentsSpan
Yokohama, JP121995–2015
Kawasaki, JP42015–2016
Machida, JP21985–1988
Tokyo, JP12018
Osaka, JP11993