Learn more

HARD GLASS KOGYO KK

Overview
  • Total Patents
    14
About

HARD GLASS KOGYO KK has a total of 14 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Japan. Its main competitors in its focus markets machines are LIANYUNGANG HONGYANG QUARTZ PRODUCTS CO LTD, PK B GUSEVSKOGO FILIALA GNII S and ASIA OPTICS CO LTD.

Patent filings in countries

World map showing HARD GLASS KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 14

Patent filings per year

Chart showing HARD GLASS KOGYO KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machines

Focus technologies

Top inventors

# Name Total Patents
#1 Fujiwara Kenichi 14

Latest patents

Publication Filing date Title
JPH0960404A Intertruss bracing guide rail
JPH08100574A Glass door
JPH07187693A Device for producing bent tempered glass
JPH04280827A Production of colored cast glass
JPH04254426A Deformation preventive device for bent and tempered sheet glass
JPH04254430A Hanging device for sheet glass
JPH04254427A Pressing pipe in machine for producing bent and tempered sheet glass
JPH04254428A Pressing pipe in machine for producing bent and tempered sheet glass
JPH04209723A Production of sand mold
JPH04209727A Production of figured glass
JPH032483A Hanging structure of movable partition
JPS62275041A Production of decorative reinforced glass
JPS61204488A Adhesion of frame of reinforced glass door
JPS61197435A Production of reinforced glass plates with three-dimensional pattern