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HITACHI INF & COMM ENG LTD

Overview
  • Total Patents
    122
About

HITACHI INF & COMM ENG LTD has a total of 122 patent applications. Its first patent ever was published in 2005. It filed its patents most often in Japan, China and Germany. Its main competitors in its focus markets computer technology, digital networks and environmental technology are SHANGHAI XIANJIAN CULTURE MEDIA CO LTD, Shanghai shangda hairun information system co ltd and SHENZHEN GUANGNING IND CO LTD.

Patent filings in countries

World map showing HITACHI INF & COMM ENG LTDs patent filings in countries
# Country Total Patents
#1 Japan 114
#2 China 4
#3 Germany 1
#4 Republic of Korea 1
#5 Singapore 1
#6 United States 1

Patent filings per year

Chart showing HITACHI INF & COMM ENG LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Honda Makoto 14
#2 Akutsu Shigeto 13
#3 Kosaka Taiji 9
#4 Harasawa Katsuyoshi 9
#5 Hamada Tatsuzo 7
#6 Araya Takeshi 6
#7 Doi Yoshifumi 6
#8 Hosoi Kenji 6
#9 Ariyama Ichiro 6
#10 Ishii Takemoto 5

Latest patents

Publication Filing date Title
DE102012216191A1 authentication system
JP2013065958A Packet transmission system and method
JP2013061875A Authentication system and reliability determination method
JP2013051852A Storage battery device
JP2013046116A System and method for recording communication in call center system
JP2013025703A Method, device and program for estimating performance of making software into hardware and recording medium thereof
JP2012186758A Wireless communication device, transmission power determination method, program, and transmission power calculation device
JP2012180190A Space measurement system and measuring method, and elevator control system
JP2012099899A Image correction device, corrected image generation method, correction table generation device, correction table generation method, correction table generation program, and corrected image generation program
JP2012083997A Authentication system and determination method for authentication reliability
JP2012080229A Receiver, reception control method, and communication system
JP2012080227A Communication system and method
JP2012074982A Communication device
JP2012074980A Optical transmission device and method
JP2012073475A Optical modulation device
JP2012053602A Image correction device, corrected image generation method, correction table generation device, correction table generation method, correction table generation program and corrected image generation program
JP2012053601A Image correction device, corrected image generation method, correction table generation device, correction table generation method, correction table generation program and corrected image generation program
JP2012048539A Hardware/software collaborative verification system and method, and program
JP2012049677A Wireless communication device and data rate control method
JP2012044509A Optical receiver and optical receiving method