Inventor

Katsushi Iwashita

Inventor

Miura, JP

Overview

2→

Patents

1990–1999

Patent span

Physics

Primary field (CPC G)

Patents· 2 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 light25%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein25%

H04BTransmission25%

H04NPictorial communication, e.g. television25%

PatentTitleYear

5,896,216'AM/PM converter and optical signal transmission system'1999 4,979,825'Device for measuring optical frequency modulation characteristics'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1999Patents assigned to NIPPON TELEGRAPH & TELEPHONE (2)· patent assignee history

1990Based in Kanagawa, JP· patent location history

1999Based in Miura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON TELEGRAPH & TELEPHONE	2	1990–1999

Locations

Location	Patents	Span
Miura, JP	1	1999
Kanagawa, JP	1	1990