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Inventor

Koyu Takahashi

Inventor
Kanagawa, JP

Overview

9→
Patents
1999–2021
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.

H05Kprimary
H05KPrinted circuits17%
H01PWaveguides14%
G02BOptical elements, systems or apparatus9%
H04BTransmission9%
B63JAuxiliaries on vessels6%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general6%
B01DSeparation3%
B63HMarine propulsion or steering3%
C02FTreatment of water, waste water, sewage, or sludge3%
F01KSteam engine plants3%
PatentTitleYear
11,117,089Apparatus and calculating method of pH202111,105,225Binary power generation system and control apparatus202110,609,812Printed circuit board, optical module, and optical transmission equipment202010,128,554Printed circuit board, optical module, and transmission equipment201810,116,116Printed circuit board and optical module20189,781,824'Differential transmission circuit, optical module and manufacturing method of differential transmission circuit'20178,660,434'Printed circuit board and optical transmission device'20148,385,748'Printed circuit board and optical transmission device'20135,867,314'Structure of optical passive device and assembling method therefor'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Based in Kosai, JP· patent location history
2013–2018Patents assigned to OCLARO JAPAN INC (5)· patent assignee history
2013–2014Patents assigned to KAGAYA OSAMU (2)· patent assignee history
2013–2014Patents assigned to KOGURE TAICHI (2)· patent assignee history
2013–2014Patents assigned to TAKAHASHI KOYU (2)· patent assignee history
2013–2014Based in Yokohama, JP· patent location history
2017–2020Based in Kanagawa, JP· patent location history
2021Patents assigned to FUJI ELECTRIC CO LTD (2)· patent assignee history
2021Based in Hino, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OCLARO JAPAN INC52013–2018
FUJI ELECTRIC CO LTD22021
KAGAYA OSAMU22013–2014
KOGURE TAICHI22013–2014
TAKAHASHI KOYUself22013–2014
Locations
LocationPatentsSpan
Kanagawa, JP42017–2020
Hino, JP22021
Yokohama, JP22013–2014
Kosai, JP11999