Learn more

HITACHI LTD JP

Overview
  • Total Patents
    28
About

HITACHI LTD JP has a total of 28 patent applications. Its first patent ever was published in 2004. It filed its patents most often in China. Its main competitors in its focus markets audio-visual technology, digital networks and computer technology are ASANO TOMOYUKI, NONAKA MASAO and YAMAGUCHI TAKAHIRO.

Patent filings in countries

World map showing HITACHI LTD JPs patent filings in countries
# Country Total Patents
#1 China 28

Patent filings per year

Chart showing HITACHI LTD JPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kenji Tsuchiya 2
#2 Yasuo Notohara 1
#3 Tomita Naofumi 1
#4 Higashijima Shigeki 1
#5 Sadao Tsuruga 1
#6 Obu Takayuki 1
#7 Mamoru Kimura 1
#8 Kiyotaka Imagawa 1
#9 Shuichi Takahashi 1
#10 Koishi Takeo 1

Latest patents

Publication Filing date Title
CN101639803A Exception handling method and exception handling device for multithread application system