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WARTSILA JAPAN LTD

Overview
  • Total Patents
    27
  • GoodIP Patent Rank
    165,898
  • Filing trend
    ⇧ 300.0%
About

WARTSILA JAPAN LTD has a total of 27 patent applications. It increased the IP activity by 300.0%. Its first patent ever was published in 2009. It filed its patents most often in WIPO (World Intellectual Property Organization), EPO (European Patent Office) and Japan. Its main competitors in its focus markets mechanical elements and transport are ASHBRIDGE & ROSEBURGH INC, HUHN GUSTAV and TREMOLIERES GUSTAVE HENRI.

Patent filings per year

Chart showing WARTSILA JAPAN LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements
#2 Transport

Focus technologies

# Technology
#1 Pistons and sealings
#2 Marine propulsion
#3 Ships

Top inventors

# Name Total Patents
#1 Himeno Nobuhiro 17
#2 Kyogoku Mashiba 10
#3 Tamura Masakazu 10
#4 Fujii Masahiko 7
#5 Inaba Motofumi 7
#6 Takayasu Minoru 7
#7 Okamoto Mitsuhiro 6
#8 Yoshida Hisashi 5
#9 Himeno Naohiro 2
#10 Dingemans Michel 2

Latest patents

Publication Filing date Title
WO2020105105A1 Draught meter and vessel
JP2019138461A Lip seal, seal ring, seal ring device, and ship
JP2018197098A Oil circulation system for stern tube and vessel
WO2019155600A1 Lip seal, seal ring, seal ring device, and ship
WO2018216155A1 Oil circulation system for stern tube, and ship
JP2017124810A Stern tube seal system, stern tube seal device, ship, and stern tube seal method
CN107207084A Stern tube sealing system, stern tube sealing device, ship and stern tube encapsulating method
JP2012154349A Seal device
JP2012127447A Lip seal
EP2410216A1 Seal ring and stern tube sealing device
WO2011004456A1 Seal device and method for replacement of seal for propeller shaft of marine vessel