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Inventor

Katsuhiko Iwashita

Inventor
Tokyo, JP

Overview

3→
Patents
2001–2004
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 apparatus67%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light33%
PatentTitleYear
6,741,776'Optical waveguide module optically connected with an optical fiber'20046,320,695'Optical amplifying apparatus'20016,257,769'Optical waveguide component'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2004Patents assigned to FURUKAWA ELECTRIC CO LTD (3)· patent assignee history
2001Patents assigned to NIPPON TELEGRAPH & TELEPHONE (1)· patent assignee history
2001–2004Based in Tokyo, JP· patent location history
2001Based in Ichihara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FURUKAWA ELECTRIC CO LTD32001–2004
NIPPON TELEGRAPH & TELEPHONE12001
Locations
LocationPatentsSpan
Tokyo, JP22001–2004
Ichihara, JP12001