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HITCHI LTD

Overview
  • Total Patents
    15
About

HITCHI LTD has a total of 15 patent applications. Its first patent ever was published in 1965. It filed its patents most often in United States, China and United Kingdom. Its main competitors in its focus markets control, machines and audio-visual technology are YAMAGUCHI YOSHIHIRO, TEC SEM AG and PARTHASARATHY VIJAY.

Patent filings in countries

World map showing HITCHI LTDs patent filings in countries
# Country Total Patents
#1 United States 9
#2 China 4
#3 United Kingdom 2

Patent filings per year

Chart showing HITCHI LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Toshiichi Kato 2
#2 Takai Tadashi 1
#3 Susumu Okamura 1
#4 Takuya Kikukawa Shuuichi Suzuk 1
#5 Ito Makoto 1
#6 Heike Seiji 1
#7 Moniwa Masahiro 1
#8 Kuroda Kenichi 1
#9 Ito Yukio 1
#10 Fujie Masakatsu 1

Latest patents

Publication Filing date Title
US5801472A Micro-fabricated device with integrated electrostatic actuator
GB1446606A Air-fuel ratio correcting device for an internal combstion engine
US3365677A Force tunable low temperature solid state oscillator