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NAKAI YOSHINAGA

Overview
  • Total Patents
    11
About

NAKAI YOSHINAGA has a total of 11 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and transport are JIANMING ZHANG, NINGBO DEKUN IND DESIGN CO LTD and SUZHOU AUTOMOBILE RES INST TSINGHUA UNIV WUJIANG.

Patent filings in countries

World map showing NAKAI YOSHINAGAs patent filings in countries
# Country Total Patents
#1 Japan 11

Patent filings per year

Chart showing NAKAI YOSHINAGAs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Nakai Yoshinaga 11

Latest patents

Publication Filing date Title
JP2002315551A Preservative for food and method for producing the same
JP2001088145A Method for forming spectacles frame made of resin, spectacles frame made of resin and apparatus for manufacturing alkaline ionic water
JPH10321425A Magnet for electromagnetic shielding, member for electromagnetic shielding, and glasses for electromagnetic shielding
JPH10319353A Electromagnetic shielding spectacles and electromagnetic shielding mask
JPH10276811A Electromagnetic wave shielding earring
JPH0879347A Handset with earphone
JPH06245667A Nucleus for culturing pearl and its production
JPH04146772A Club
JPH02149280A Sporting apparatus improved in toughness
JPH0252678A Golf club
JPS61110649A Seat belt and automatic seat belt device