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Inventor

Naohiko Baba

Inventor
Fujisawa, JP

Overview

9→
Patents
2001–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

H04Bprimary
H04BTransmission21%
H04LTransmission of digital information, e.g. telegraphic communication21%
G02BOptical elements, systems or apparatus14%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light14%
G01MTesting static or dynamic balance of machines or structures7%
H03KPulse technique7%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses7%
H05KPrinted circuits7%
PatentTitleYear
10,379,303Optical module and method for aligning optical module201910,129,983Optical module and flexible printed circuit board20187,164,865'Optical fiber communication equipment and its applied optical systems'20077,031,620'Optical transmission device and optical transmission system using the same'20066,829,441'Driver circuit and optical-transmission module'20046,661,503'Method for manufacturing optic transmission modules and system for inspecting bit error rate characters'20036,606,177'Driver circuit and optical-transmission module'20036,501,583'Optical receiver module optical transmitter module phase-locked loop circuit voltage-controlled oscillator and frequency response controllable amplifier'20026,229,832'Optical wavelength stability control apparatus, optical transmitter and multiple wavelength transmitter'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2003Patents assigned to HITACHI LTD (3)· patent assignee history
2001–2007Based in Fujisawa, JP· patent location history
2002–2007Patents assigned to OPNEXT JAPAN INC (4)· patent assignee history
2003–2006Based in Yokohama, JP· patent location history
2018–2019Patents assigned to OCLARO JAPAN INC (2)· patent assignee history
2018–2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OPNEXT JAPAN INC42002–2007
HITACHI LTD32001–2003
OCLARO JAPAN INC22018–2019
Locations
LocationPatentsSpan
Fujisawa, JP52001–2007
Tokyo, JP22018–2019
Yokohama, JP22003–2006