Inventor

Mikio Maeda

Inventor

Tokyo, JP

Overview

6→

Patents

1984–1996

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 structures30%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems20%

H04BTransmission20%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light10%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein10%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications10%

PatentTitleYear

5,557,401'Optical masking apparatus'1996 5,500,731'Optical time domain reflectometer using ring laser light source'1996 5,390,018'Optical pulse tester capable of displaying Raman or Rayleigh scattered light'1995 5,361,157'Bidirectional light transmission system and optical device therefor'1994 4,563,731'Resonant type constant voltage supply apparatus'1986 4,424,556'Self-oscillating DC to DC converter'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1986Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history

1984–1986Based in Katano, JP· patent location history

1994Patents assigned to JAPAN BROADCASTING CORP (1)· patent assignee history

1994–1996Based in Tokyo, JP· patent location history

1995–1996Patents assigned to ANDO ELECTRIC (3)· patent assignee history

1995–1996Patents assigned to NIPPON TELEGRAPH & TELEPHONE (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ANDO ELECTRIC	3	1995–1996
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	2	1984–1986
NIPPON TELEGRAPH & TELEPHONE	2	1995–1996
JAPAN BROADCASTING CORP	1	1994

Locations

Location	Patents	Span
Tokyo, JP	4	1994–1996
Katano, JP	2	1984–1986