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Inventor

Katsusuke Tajima

Inventor
Katsuta, JP

Overview

3→
Patents
1990–2007
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%
C03BManufacture, shaping, or supplementary processes20%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure20%
PatentTitleYear
7,228,040'Hole-assisted single mode optical fiber'20075,303,318'High power acceptable optical fiber and fabrication method thereof'19944,913,521'Single-polarization optical fiber'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2007Patents assigned to NIPPON TELEGRAPH & TELEPHONE (3)· patent assignee history
1990–1994Based in Katsuta, JP· patent location history
2007Based in Tsukuba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON TELEGRAPH & TELEPHONE31990–2007
Locations
LocationPatentsSpan
Katsuta, JP21990–1994
Tsukuba, JP12007