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TLV CO LTD

Overview
  • Total Patents
    4,692
  • GoodIP Patent Rank
    2,678
  • Filing trend
    ⇧ 41.0%
About

TLV CO LTD has a total of 4,692 patent applications. It increased the IP activity by 41.0%. Its first patent ever was published in 1974. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets mechanical elements, control and machines are SARCO INT CORP, GESTRA KSB VERTRIEB GMBH and KATSUJI FUJIWARA.

Patent filings per year

Chart showing TLV CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yumoto Hideaki 446
#2 Koike Tadashi 352
#3 Morii Takayuki 349
#4 Yokoyama Takeshi 194
#5 Okamoto Masakatsu 194
#6 Fujiwara Katsuji 179
#7 Asada Tetsuo 169
#8 Fujiwara Yoshiyasu 168
#9 Fujita Satoyuki 150
#10 Yonemura Masao 146

Latest patents

Publication Filing date Title
WO2021070924A1 Diagnostic system, method for operating diagnostic system, and diagnostic program
WO2021070923A1 Diagnostic system, operation method for diagnostic system, and diagnostic program
WO2021019926A1 Cleaning device and valve device equipped with same
WO2021024595A1 Discharge valve unit and fluid device
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WO2020225961A1 Mixing valve
WO2020208920A1 Position detection sensor
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WO2020111058A1 Exhaust valve
WO2020111057A1 Exhaust valve
WO2020158072A1 Monitoring system, monitoring method, and monitoring program for steam-using equipment
WO2020110531A1 Piping diagnosis history display device, piping diagnosis history display method, and piping diagnosis history display program
WO2020110530A1 Piping diagnosis history display device, piping diagnosis history display method, and piping diagnosis history display program
WO2020110529A1 Piping diagnosis history display device, piping diagnosis history display method, and piping diagnosis history display program
WO2020084887A1 Float type check valve
WO2020066197A1 Operating cost assessment method and operating cost assessment program
WO2020066196A1 Device lifespan assessment method, device lifespan assessment device and device lifespan assessment program
JP2020199485A Gas-liquid separator
WO2020026568A1 Valve device
WO2020026569A1 Valve device