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SMM PREC CO LTD

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    172,222
About

SMM PREC CO LTD has a total of 20 patent applications. Its first patent ever was published in 2008. It filed its patents most often in Japan, China and Taiwan. Its main competitors in its focus markets optics and machines are NORTEL NETWORKS PHOTONICS PTY, SUZHOU CRYSTALENT CO LTD and MOXTEK.

Patent filings in countries

World map showing SMM PREC CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 17
#2 China 2
#3 Taiwan 1

Patent filings per year

Chart showing SMM PREC CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics
#2 Machines

Top inventors

# Name Total Patents
#1 Iida Junji 9
#2 Watanabe Akio 5
#3 Yamauchi Yoshihiko 4
#4 Saito Hideo 4
#5 Mineshima Kazuhiro 2
#6 Yokoyama Yuichi 1

Latest patents

Publication Filing date Title
JP2021006856A Faraday rotor, manufacturing method therefor, optical isolator and optical transmission device
JP2020194149A Optical element, manufacturing method thereof, optical isolator, and optical transmission device
JP2019219435A Optical isolator and manufacturing method thereof
JP2018084743A Optical isolator and optical transmission device using the same
JP2018045168A Pigtail fiber module and manufacturing method thereof, and light transmission device
JP2016224359A Pigtail fiber module
JP2016090872A Optical component for optical isolator
JP2015125374A Optical isolator element and optical isolator
JP2015084016A Optical isolator optical element and manufacturing method of the same
JP2014041290A In-line optical isolator
JP2013045000A Polarization-independent optical isolator
JP2013003490A Polarization-independent optical isolator
JP2012242591A Polarization-independent optical isolator
JP2012220816A Polarization-independent optical isolator
JP2011090291A In-line optical isolator
JP2011069875A Polarization-dependent type in-line optical isolator
JP2010151903A Optical isolator