Inventor

Masaaki Furuhashi

Inventor

Tokyo, JP

Overview

6→

Patents

1993–1999

Patent span

Physics

Primary field (CPC G)

Patents· 6 as inventor

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

G01Mprimary

G01MTesting static or dynamic balance of machines or structures33%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein22%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light22%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light11%

H04BTransmission11%

PatentTitleYear

5,933,227'Testing method for optical fiber'1999 5,870,184'Optical pulse tester'1999 5,596,449'Light pulse generator'1997 5,557,401'Optical masking apparatus'1996 5,408,310'Optical time domain reflectometer having shortened dead zone'1995 5,233,619'High power light pulse generator'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1999Patents assigned to ANDO ELECTRIC (6)· patent assignee history

1993–1999Based in Tokyo, JP· patent location history

1997Patents assigned to NIPPON TELEGRAPH & TELEPHONE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ANDO ELECTRIC	6	1993–1999
NIPPON TELEGRAPH & TELEPHONE	1	1997

Locations

Location	Patents	Span
Tokyo, JP	6	1993–1999