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HIRANO YOSHITSUGU

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    241,434
About

HIRANO YOSHITSUGU has a total of 30 patent applications. Its first patent ever was published in 1989. It filed its patents most often in Japan. Its main competitors in its focus markets civil engineering are KI AVTOMOBILNO DOROZHNYJ INST, MASAIR and POLLITT CLIFFORD B.

Patent filings in countries

World map showing HIRANO YOSHITSUGUs patent filings in countries
# Country Total Patents
#1 Japan 30

Patent filings per year

Chart showing HIRANO YOSHITSUGUs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Platform constructions

Top inventors

# Name Total Patents
#1 Hirano Yoshitsugu 27
#2 Kasakura Nobuo 1
#3 Hayashi Nobuo 1
#4 Suzuki Toshinori 1

Latest patents

Publication Filing date Title
JP2017128989A Underground burying valve chest
JP2012026251A Iron cover for being buried in ground
JP2011084999A Hinge structure of iron lid
JP2006057430A Ditch lid with instruction mark
JP2004044338A Iron lid for underground structure
JP2003278175A Underground valve chamber upper structure
JP2003213737A Iron cover for underground valve chest
JP2003193551A Catch basin lid
JP2003119843A Structural member of underground valve chamber
JP2003119842A Case under underground valve chamber
JP2002061218A Attaching construction for accessory hardware with lid body for underground structure
JP2002047697A Underground built-up valve chest
JP2002021104A Blocking plate structure of iron cover
JP2001355252A Hinge structure for steel cover
JP2001295310A Built-up valve chest for underground section
JP2001193145A Locking device for pit cover
JP2001049682A Iron lid for underground structure
JP2000291118A Ditch cover
JP2000096592A Iron cover for underground facility
JPH11222910A Sliding iron cover with swing arm