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NAKAZAWA MASATAKA

Overview
  • Total Patents
    22
About

NAKAZAWA MASATAKA has a total of 22 patent applications. Its first patent ever was published in 2002. It filed its patents most often in Japan and United States. Its main competitors in its focus markets machines, optics and materials and metallurgy are HERAEUS TENEVO GMBH, SILITEC FIBERS SA and EDITIONS FILMEES.

Patent filings in countries

World map showing NAKAZAWA MASATAKAs patent filings in countries
# Country Total Patents
#1 Japan 21
#2 United States 1

Patent filings per year

Chart showing NAKAZAWA MASATAKAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakazawa Masataka 22
#2 Osono Kazumasa 17
#3 Yo Hei 11
#4 Osuga Kazushi 5
#5 Kurosawa Yoshinori 3
#6 Oka Taichi 3
#7 Nishio Tomoyuki 2
#8 Shirosawa Tatsuya 2
#9 Omura Kenji 2
#10 Murakami Kazuya 2

Latest patents

Publication Filing date Title
JP2005250024A Method of manufacturing photonic crystal fiber
JP2005247621A Method of manufacturing optical fiber with vacancy
JP2005250025A Method of manufacturing photonic crystal optical fiber
JP2005247620A Method of manufacturing photonic crystal fiber
JP2005250022A Plastic holey fiber and its manufacturing method
JP2005250023A Method and apparatus for manufacturing photonic crystal fiber
JP2004226541A High anti-stress optical fiber
JP2004226539A Optical fiber and its manufacturing method
JP2004226540A High stress resistant optical fiber
JP2004085970A Photonic crystal optical fiber and manufacturing method therefor
JP2004020836A Optical fiber and its manufacturing method
JP2004020837A Plastic holey fiber and its manufacturing method
JP2003342032A Preform for photonic crystal optical fiber and its manufacturing method
JP2003342031A Preform for photonic crystal optical fiber and its manufacturing method
JP2003313045A Method for manufacturing holey fiber
JP2003313044A Method for manufacturing photonic crystal fiber
JP2003307653A Connector for photonic crystal optical fiber and manufacturing method thereof
JP2003307632A Photonic crystal optical fiber
JP2003313041A Method for manufacturing photonic crystal optical fiber preform and photonic crystal optical fiber preform
JP2003202445A Photonic crystal optical fiber and its manufacturing method