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HITACHI ENG SERVICE

Overview
  • Total Patents
    521
About

HITACHI ENG SERVICE has a total of 521 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and Republic of Korea. Its main competitors in its focus markets environmental technology, engines, pumps and turbines and measurement are ZHANG YIHUI, METAL IND RES DEVELOPMENT CT and KUNSHAN ASIA ELECTRONIC MAT CO.

Patent filings per year

Chart showing HITACHI ENG SERVICEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yanagibashi Minoru 28
#2 Hoshino Naoki 20
#3 Nakanishi Satoru 17
#4 Aizawa Koji 16
#5 Komata Hisashi 16
#6 Sato Yoshiyuki 16
#7 Hashimoto Nobuhiko 16
#8 Yoneda Yoshiyuki 15
#9 Tada Kenichiro 15
#10 Nakajima Shuji 14

Latest patents

Publication Filing date Title
WO2014057587A1 Contactless electricity feeder
JP2013022451A Heat illness detection system
JP2013099775A Roll press facility
WO2013124994A1 Trolley-type truck
WO2013124996A1 Pantograph device for trolley-type truck
WO2013124995A1 Pantograph control device for trolley-type truck
WO2013114545A1 Method for ultrasonic flaw detection and ultrasonic flaw-detection device
JP2013111647A Roll press equipment
JP2013108892A Ultrasonic inspection method and ultrasonic inspection device
JP2013096921A Beverage liquid foreign substance inspection system and beverage liquid foreign substance inspection method
JP2013096922A Beverage liquid foreign substance inspection device and beverage liquid foreign substance inspection method
WO2013046391A1 Charging controller and charging control method
JP2013064371A Two-stage turbine system and operation method of the same at emergency stop
JP2013047619A Microorganism inspection apparatus and microorganism inspection chip used for the same
JP2013046576A Method and device for examining microorganism or the like
JP2013044585A Microorganism inspection device and inspection method
JP2013022217A Heat illness detection system
JP2013024659A Odor diffusion simulation method and odor diffusion simulation device
JP2013015468A Abnormal sound diagnostic apparatus and abnormal sound diagnostic method
JP2013011468A Ultrasonic probe, and device and method for ultrasonic inspection using the same