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KYOWA METAL WORKS CO LTD

Overview
  • Total Patents
    68
  • GoodIP Patent Rank
    123,638
  • Filing trend
    ⇩ 100.0%
About

KYOWA METAL WORKS CO LTD has a total of 68 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1989. It filed its patents most often in China, EPO (European Patent Office) and United States. Its main competitors in its focus markets mechanical elements, machines and machine tools are KONSTRUKTION UND VERWERTUNG AU, NEUENSTEIN ZAHNRADWERK and FREEBORN POWER CONVERTERS LTD.

Patent filings per year

Chart showing KYOWA METAL WORKS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hiraiwa Kazuyoshi 43
#2 Kazuyoshi Hiraiwa 9
#3 Horiguchi Hirotaka 6
#4 Yagi Ryo 6
#5 Takahashi Kotei 6
#6 Kume Tatsuya 5
#7 Hiraiwa Kazumi 2
#8 Yamaguchi Yasuharu 1
#9 Hiraiwa Ichimi 1
#10 Yamaguchi Yasuharu Kyowa Metal 1

Latest patents

Publication Filing date Title
EP3249256A1 Synchromesh mechanism and transmission
EP3249263A1 Parallel axis type transmission
GB201507680D0 Shift device with synchronizer
CN106195053A Synchronizer used for speed change mechanism
US2016312838A1 Shift device with synchronizer
PH12013000321A1 Shift device with synchronizer
PH12013000320A1 Shift device with synchronizer
PH12013000047A1 Shift device with synchronizer
EP2302245A1 Shift device with synchronizer
CN102022450A Synchronization device for gearbox
DE102006036154A1 Multi-stage automatic transmission for motor vehicle, has sun gears engaged with intermediate gear held at gear box by brake, which is arranged and connected with input shaft over gear wheel, where carrier is held at gearbox
CN1161419A Synchronizing apparatus for transmission
KR0172998B1 Synchronizing device of transmission