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Inventor

Tetsuro Inui

Inventor
Yokosuka, JP

Overview

9→
Patents
2005–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

H04Bprimary
H04BTransmission30%
G02BOptical elements, systems or apparatus25%
H04JMultiplex communication20%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices10%
H04LTransmission of digital information, e.g. telegraphic communication10%
C03BManufacture, shaping, or supplementary processes5%
PatentTitleYear
10,686,520Transmission quality estimation system, transmission quality estimation device, and transmission quality estimation method202010,637,568Transmission quality estimation system, transmission quality estimation device, and transmission quality estimation method202010,615,868Communication system and fault detection method202010,527,781Communication system and connector202010,511,381Communication system and fault location specifying method20197,668,459'Dispersion monitoring method and apparatus and dispersion slope temperature dependency compensation method and apparatus'20107,153,613'Process for the fabrication of a phase mask for optical fiber processing, optical fiber-processing phase mask, optical fiber with a Bragg grating, and dispersion compensating device using the optical fiber'20066,958,467'Chirp measurement apparatus'20056,876,792'Phase mask for forming diffraction grating, and optical fiber and optical waveguide having diffraction grating duplicated using the phase mask'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2020Patents assigned to NIPPON TELEGRAPH & TELEPHONE (8)· patent assignee history
2005Patents assigned to DAINIPPON PRINTING CO LTD (1)· patent assignee history
2005–2010Based in Yokohama, JP· patent location history
2005Based in Musashino, JP· patent location history
2006Based in Tokyo, JP· patent location history
2019–2020Based in Yokosuka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON TELEGRAPH & TELEPHONE82005–2020
DAINIPPON PRINTING CO LTD12005
Locations
LocationPatentsSpan
Yokosuka, JP52019–2020
Yokohama, JP22005–2010
Tokyo, JP12006
Musashino, JP12005