Learn more

IWATSU ELECTRIC CO LTD

Overview
  • Total Patents
    3,186
  • GoodIP Patent Rank
    105,271
  • Filing trend
    ⇩ 66.0%
About

IWATSU ELECTRIC CO LTD has a total of 3,186 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 1954. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets telecommunications, optics and basic communication technologies are PEARSON LARRY B, VIDAR CORP and CASIO HITACHI MOBILE COMM CO.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Ito Sadao 258
#2 Araki Masato 75
#3 Fujimoto Atsushi 59
#4 Sekiguchi Kouichi 54
#5 Kawada Yoshihiro 53
#6 Kokaji Tokuo 52
#7 Uchida Kouzou 51
#8 Takita Hajime 49
#9 Morikami Eiji 45
#10 Saneyoshi Norio 43

Latest patents

Publication Filing date Title
JP2020200172A Delivery group preparation device, delivery group preparation method, and program
JP2020197403A Object detector
WO2019167189A1 Rogowski coil and current measuring device using same
JP2019120547A Iron loss measurement method, test fixture of impedance analyzer, and sample stand of iron loss measurement device
JP2019057211A Component counting device, component counting method, and program
JP2018189445A Waveform recorder
JP2018180334A Emotion recognition device, method and program
JP2018166252A Phone control device and phone calling method
JP2018147452A Door system and monitoring method using door system
JP2018013529A Specific conversation detection device, method and program
JP2017158008A Cordless telephone system, radio wave interference avoidance method, and program
JP2017157920A Radio communication system and radio communication method
JP2017085313A Telephone system, call origination method, and portable telephone terminal
JP2016103372A Illumination control system and illumination control method, capable of associating, on site, illumination controller's logical id and physical position
JP2015154475A billing fraud prevention system
JP2015079600A Control system of illumination apparatus
JP2015035900A Power consumption management system
JP2015032571A Automatic dimming system
JP2015033042A Communication system
JP2015021243A Portable apparatus safekeeping function type passage management system