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OPNEXT JAPAN INC

Overview
  • Total Patents
    571
About

OPNEXT JAPAN INC has a total of 571 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets optics, semiconductors and telecommunications are PHOTODIGM INC, HAYASHI SHIGEO and SHANDONG HUAGUANG OPTOELECTRONICS CO LTD.

Patent filings in countries

World map showing OPNEXT JAPAN INCs patent filings in countries
# Country Total Patents
#1 Japan 385
#2 United States 128
#3 EPO (European Patent Office) 38
#4 China 15
#5 Germany 4
#6 Taiwan 1

Patent filings per year

Chart showing OPNEXT JAPAN INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kuwano Hideyuki 42
#2 Kagaya Osamu 42
#3 Tokita Shigeru 37
#4 Naoe Kazuhiko 36
#5 Sakuma Yasushi 34
#6 Sasada Michihide 26
#7 Sasaki Hiroyasu 26
#8 Yamashita Takeshi 25
#9 Okayasu Masanobu 23
#10 Matsushima Naoki 22

Latest patents

Publication Filing date Title
JP2012109628A Electrical field absorption type optical modulator integrated laser device
JP2012138601A Optical receiver module and manufacturing method of the same
JP2012080119A Optical transmission module, wavelength monitor, and wavelength shift detecting method
JP2011211240A Method of manufacturing optical semiconductor element
JP2011221541A Photoelectric conversion module
JP2011171759A Communication semiconductor laser and method of manufacturing communication semiconductor laser
JP2011139110A Method of manufacturing semiconductor laser element
JP2012004537A Rear incidence type semiconductor photo-detector, optical reception module, and optical transceiver
JP2012186330A Method of manufacturing nitride semiconductor laser device
JP2012186336A Nitride semiconductor laser device manufacturing method
JP2012156749A Optical receiver
JP2012151574A Interferometer, demodulator and transceiver
JP2012147226A Optical receiver module
JP2012138523A Semiconductor laser module
JP2012134356A Optical transmission module
JP2012134346A Semiconductor laser device
JP2012129390A Semiconductor light-emitting element, and method of manufacturing the same
JP2012124361A Manufacturing method of semiconductor optical element and semiconductor optical element
JP2011044753A Modulator integrated laser
JP2012119456A Semiconductor light-emitting element