Inventor

Setsuo Misaizu

Inventor

Yokohama, JP

Overview

14→

Patents

1996–2008

Patent span

Electricity

Primary field (CPC H)

Patents· 14 as inventor

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

H04Bprimary

H04BTransmission30%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light20%

H03GControl of amplification10%

H04LTransmission of digital information, e.g. telegraphic communication10%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%

H03FAmplifiers7%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light3%

H03KPulse technique3%

H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses3%

H04JMultiplex communication3%

PatentTitleYear

7,382,987'Identification level control method and optical receiver'2008 7,257,332'Optical transmitter and its control method'2007 6,807,245'PLO device'2004 6,707,024'Bias circuit for a photodetector, and an optical receiver'2004 6,501,774'Optical transmission apparatus for multiple wavelengths and optical transmission wavelength control method'2002 6,229,833'Laser diode protecting circuit and laser driving current control circuit'2001 6,097,746'Laser diode protecting circuit'2000 5,900,959'Optical transmitter, optical communication system and optical communication method'1999 5,706,117'Drive circuit for electro-absorption optical modulator and optical transmitter including the optical modulator'1998 5,646,763'Optical transmitter and laser diode module for use in the optical transmitter'1997 5,636,048'Equalizing amplifier, receiver using the same and preamplifier'1997 5,625,181'Light-receipt system with current bias circuit and pre-amplifier for use in optical digital communication'1997 5,557,445'Optical signal transmitter having an apc circuit with automatic bias current control'1996 5,499,258'Automatic temperature control circuit of laser diode and electric/optical signal converting unit using the same'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2008Patents assigned to FUJITSU LTD (14)· patent assignee history

1996–2008Based in Yokohama, JP· patent location history

1997–1998Based in Oyama, JP· patent location history

2002–2007Based in Sapporo, JP· patent location history

2004Based in Hokkaido, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJITSU LTD	14	1996–2008

Locations

Location	Patents	Span
Yokohama, JP	7	1996–2008
Sapporo, JP	3	2002–2007
Oyama, JP	3	1997–1998
Hokkaido, JP	1	2004