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Inventor

Kyouzou Tsujikawa

Inventor
Tsukuba, JP

Overview

3→
Patents
2015–2016
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 apparatus60%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light40%
PatentTitleYear
9,515,450'Amplifying optical fiber and optical amplifier'20169,252,556'Amplifying optical fiber and optical amplifier'20169,121,995'Optical fiber having holes'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2016Patents assigned to FUJIKURA LTD (3)· patent assignee history
2015–2016Patents assigned to NIPPON TELEGRAPH & TELEPHONE (3)· patent assignee history
2015Patents assigned to MATSUI TAKASHI (1)· patent assignee history
2015Based in Musashino, JP· patent location history
2016Patents assigned to NAT UNIV CORP SHIMANE UNIV (2)· patent assignee history
2016Patents assigned to UNIV OSAKA PREFECT PUBLIC CORP (2)· patent assignee history
2016Based in Tsukuba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJIKURA LTD32015–2016
NIPPON TELEGRAPH & TELEPHONE32015–2016
NAT UNIV CORP SHIMANE UNIV22016
UNIV OSAKA PREFECT PUBLIC CORP22016
MATSUI TAKASHI12015
Locations
LocationPatentsSpan
Tsukuba, JP22016
Musashino, JP12015