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Inventor

Shigeo Nagashima

Inventor
Yokohama, JP

Overview

3→
Patents
2013–2020
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus100%
PatentTitleYear
10,649,147Optical module202010,310,159Optical waveguide device20198,467,642'Waveguide type optical device'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2020Patents assigned to NIPPON TELEGRAPH & TELEPHONE (3)· patent assignee history
2013–2020Patents assigned to NTT ELECTRONICS CORP (3)· patent assignee history
2013Patents assigned to INOUE YASUYUKI (1)· patent assignee history
2013Patents assigned to KAMEI SHIN (1)· patent assignee history
2013Patents assigned to MORIYA YUJI (1)· patent assignee history
2013–2020Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON TELEGRAPH & TELEPHONE32013–2020
NTT ELECTRONICS CORP32013–2020
INOUE YASUYUKI12013
KAMEI SHIN12013
MORIYA YUJI12013
Locations
LocationPatentsSpan
Yokohama, JP32013–2020