LexDanaLexDanabeta
Inventor

Yoji Sonobe

Inventor
Machida, JP

Overview

3→
Patents
1990–1991
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.

G01Jprimary
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light100%
PatentTitleYear
4,995,724'Optical spectrum analyzer with high performance measurement function'19914,969,740'Spectrometer'19904,918,491'Emission spectral width measuring apparatus for light source'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1991Patents assigned to ANRITSU CORP (3)· patent assignee history
1990–1991Based in Machida, JP· patent location history
1990Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ANRITSU CORP31990–1991
Locations
LocationPatentsSpan
Machida, JP21990–1991
Tokyo, JP11990