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NIPPON SEKIEI GLASS KK

Overview
  • Total Patents
    58
About

NIPPON SEKIEI GLASS KK has a total of 58 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets machines, materials and metallurgy and environmental technology are TATEVOSYAN KAREN M, SOVITEC SA and GLASS BULBS LTD.

Patent filings in countries

World map showing NIPPON SEKIEI GLASS KKs patent filings in countries
# Country Total Patents
#1 Japan 58

Patent filings per year

Chart showing NIPPON SEKIEI GLASS KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kuzuu Shin 18
#2 Goto Yoshihiko 6
#3 Fukunishi Takumi 6
#4 Hayashi Akira 5
#5 Kuno Kenichi 5
#6 Kudo Masakazu 4
#7 Suzuki Seiichi 4
#8 Matsuda Takashi 4
#9 Tanae Kazuhiro 3
#10 Nakamura Yoshitaka 3

Latest patents

Publication Filing date Title
JPH1160258A Welder for silica glass member
JPH1160257A Welding of silica glass member
JPH10152330A Optical material for excimer laser and test thereof
JPH1035016A Light source unit
JPH08295520A Synthetic quartz glass for optical use and preventing method of formation of absorption zone
JPH08295521A Synthetic quartz glass for optical use and preventing method of formation of absorption zone
JPH08265507A Light source unit
JPH08151220A Method for molding quartz glass
JPH08112753A Machining method for quartz glass
JPH08110295A Non-fluorescence cell, its production and reforming method
JPH07126034A Preparation of quartz glass and apparatus for it
JPH07196335A Black quartz glass and its production
JPH07126019A Method and device for producing quartz glass
JPH0789742A Black quartz glass and its production
JPH0743249A Method for evaluating synthetic quartz glass
JPH06287022A Synthetic quartz glass for optical use
JPH06273355A Inspection method for optical material for excimer laser
JPH06265470A Inspection method of optical material for krf excimer laser
JPH06199531A Synthetic quartz glass for optics
JPH06183752A Synthetic silica glass and its production