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ISUZU GLASS CO LTD

Overview
  • Total Patents
    29
About

ISUZU GLASS CO LTD has a total of 29 patent applications. Its first patent ever was published in 1991. It filed its patents most often in EPO (European Patent Office), United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets materials and metallurgy, optics and machines are ZENASTRA PHOTONICS INC, GALILEO CORP and ISUZU SEIKO GLASS KK.

Patent filings in countries

World map showing ISUZU GLASS CO LTDs patent filings in countries
# Country Total Patents
#1 EPO (European Patent Office) 10
#2 United States 10
#3 WIPO (World Intellectual Property Organization) 8
#4 China 1

Patent filings per year

Chart showing ISUZU GLASS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Einishi Toshihiko 27
#2 Suetsugu Tatsuya 22
#3 Kadono Kohei 22
#4 Tarumi Takashi 16
#5 Kaga Naoko 14
#6 Kimura Kazuhisa 12
#7 Ohtani Takeshi 11
#8 Yamashita Naoto 10
#9 Kominami Norimasa 8
#10 Takada Minoru 8

Latest patents

Publication Filing date Title
US2015280220A1 Negative electrode material for sodium secondary battery and method for producing same, negative electrode for sodium secondary batter, and sodium secondary battery
EP1953122A1 Blue-violet light blocking glass
WO2005080284A1 Process for producing optical device
EP1721874A1 Method for manufacturing optical element of refractive index distribution type
WO03054597A2 Method for forming optical waveguide
US5324691A Glass composition
EP0456351A2 Glass compositions