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Inventor

Youko Yamanashi

Inventor
Tokyo, JP

Overview

2→
Patents
2012–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C03Bprimary
C03BManufacture, shaping, or supplementary processes50%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light50%
PatentTitleYear
8,537,458'Optical fiber for optical amplification, optical fiber amplifier, and optical fiber laser'20138,141,391'Glass preform manufacturing method'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2013Patents assigned to FURUKAWA ELECTRIC CO LTD (2)· patent assignee history
2012–2013Patents assigned to YAMANASHI YOUKO (2)· patent assignee history
2012Patents assigned to TAKAHASHI KENICHI (1)· patent assignee history
2012Based in Chiyoda-ku, JP· patent location history
2013Patents assigned to MATSUMOTO SHIGETO (1)· patent assignee history
2013Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FURUKAWA ELECTRIC CO LTD22012–2013
YAMANASHI YOUKOself22012–2013
MATSUMOTO SHIGETO12013
TAKAHASHI KENICHI12012
Locations
LocationPatentsSpan
Tokyo, JP12013
Chiyoda-ku, JP12012