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HARMONIC DRIVE SYSTEMS

Overview
  • Total Patents
    1,577
  • GoodIP Patent Rank
    2,718
  • Filing trend
    ⇩ 42.0%
About

HARMONIC DRIVE SYSTEMS has a total of 1,577 patent applications. It decreased the IP activity by 42.0%. Its first patent ever was published in 1976. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets mechanical elements, machines and electrical machinery and energy are HARMONIC DRIVE AG, STERLING ELECTRIC MOTORS INC and MUSASHI SEIMITSU KOGYO KK.

Patent filings per year

Chart showing HARMONIC DRIVE SYSTEMSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kiyosawa Yoshihide 216
#2 Kobayashi Masaru 195
#3 Ishikawa Shoichi 130
#4 Takizawa Noboru 109
#5 Handa Jun 105
#6 Shirokoshi Norio 101
#7 Kanayama Naoki 86
#8 Koyama Junji 74
#9 Ito Yoshinori 67
#10 Hoshina Tatsuro 61

Latest patents

Publication Filing date Title
WO2021024825A1 Rotary actuator
US2021018081A1 Strain wave gearing
WO2021059494A1 Flat strain wave gear device
WO2021038773A1 Push–pull solenoid
WO2021033319A1 Unit-type wave gear device
WO2021014647A1 Planetary reduction gear
KR20210009361A Wave gear device with roller bearing type wave generator
WO2020234924A1 Speed ratio-switching strain wave gearing device
WO2020188668A1 Optical rotary encoder, servo motor, and actuator
TW202022324A Dual absolute encoder
WO2020117237A1 Dual absolute encoder
WO2020105186A1 Strain wave gearing device
WO2020105187A1 Wave generator of strain wave gearing device
WO2020100309A1 Unit-type strain wave gearing device
JP2020078851A Gear-cutting processing method for external gear of wave gear device
KR20200088450A Lubrication method of wave gear device
US2020284333A1 Unit-type strain wave gearing
WO2020044524A1 Wave motion generator for wave motion gear device
WO2020008604A1 Rack gear mount structure and rack gear
EP3812613A1 Hollow strain-wave gear device