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KUROSAWA KENSETSU KK

Overview
  • Total Patents
    422
  • GoodIP Patent Rank
    29,873
  • Filing trend
    ⇩ 55.0%
About

KUROSAWA KENSETSU KK has a total of 422 patent applications. It decreased the IP activity by 55.0%. Its first patent ever was published in 1975. It filed its patents most often in Japan, Republic of Korea and United States. Its main competitors in its focus markets civil engineering, consumer goods and machines are KAWATETSU TECHNO WIRE KK, WIRE ROPE IND LTD and SAMSON ROPE TECHNOLOGIES.

Patent filings per year

Chart showing KUROSAWA KENSETSU KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kurosawa Ryohei 246
#2 Tanabe Keizo 113
#3 Kurosawa Riyouhei 37
#4 Hirai Kei 33
#5 Hasui Takeshi 31
#6 Otaka Hideo 20
#7 Matsuura Katsuharu 17
#8 Murota Manabu 13
#9 Yamada Fumio 12
#10 Kurosawa Shiro 10

Latest patents

Publication Filing date Title
US2021079643A1 Method of introducing prestress to beam-column joint in triaxial compression
JP2020204232A Prestress application method for preparation when exchanging seismic isolator
JP2020200732A PC arch artificial ground for huge tsunami and its construction method
JP2020176461A Non-tension pc steel rod concrete column beam structure
JP2020176458A Construction method for reclaimed land on sea
JP2020153106A Spring type seismic damper
JP2020063598A Hinge part reinforcement method and reinforcement structure in hinged girder bridge with pc
JP2019152006A Bridge pc floor slab provided with fiber-reinforced concrete
JP2019135371A Construction method of freezing/refrigerating warehouse
JP2019116778A Viaduct using pc bridge pier with double circular spiral shear reinforcement
JP2019108725A Coupling structure and coupling method of precast pc floor slabs
JP2019090216A Overpass using pc bridge pier with double shear reinforcement arrangement
JP2019078056A Rigid frame structure using wing wall and joint method thereof
JP2019044473A Quay wall or revetment structure, and construction method of the same
JP2019031880A Ground anchor load releasing coupler
JP2018199967A Column-beam joint structure with thrust force induced by swollen beam members
JP2018150645A Double rustproofing pc steel stranded wire
JP2018105073A Construction method for aseismic base isolation refrigeration or freezing warehouse
JP2018105091A Method of constructing artificial ground on subbasement type road
JP2018080469A Junction of column and beam and its design method