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HITACHI APPLIANCES INC

Overview
  • Total Patents
    7,433
  • GoodIP Patent Rank
    739
  • Filing trend
    ⇩ 72.0%
About

HITACHI APPLIANCES INC has a total of 7,433 patent applications. It decreased the IP activity by 72.0%. Its first patent ever was published in 1995. It filed its patents most often in Japan, China and Republic of Korea. Its main competitors in its focus markets thermal processes, consumer goods and environmental technology are HITACHI AIRCO DOMESTIC APPL KK, HITACHI HOUSEHOLD ELECTRIC and HITACHI HOME & LIFE SOLUTIONS.

Patent filings per year

Chart showing HITACHI APPLIANCES INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamashita Taichiro 277
#2 Araki Kuninari 206
#3 Koike Toshifumi 176
#4 Ito Norikazu 173
#5 Echigoya Hisashi 162
#6 Hiyama Isao 157
#7 Yabe Keiichi 146
#8 Hayashi Shoji 140
#9 Izeki Takashi 134
#10 Kawai Ryoji 134

Latest patents

Publication Filing date Title
JP2019071310A Induction heating cooker
JP2019063605A Electric washing machine
JP2019066177A Heating cooker
JP2019053742A Base station and autonomous travelling type vacuum cleaner
JP2019037803A Autonomous travel type vacuum cleaner
JP2018198229A Luminaire
JP2019019825A Electric blower
CN110094920A Refrigerator
CN110094924A Refrigerator
CN109900058A Refrigerator, premix glycol composition and hard polyurethane foams
CN110094918A Refrigerator
CN109708377A Refrigerator
CN110131951A Refrigerator
CN109708379A Refrigerator
CN110094917A Refrigerator
JP2018186106A Induction heating cooker
JP2018194004A Electric air blower and vacuum cleaner
JP2019031971A Electric blower for vacuum cleaner and vacuum cleaner including the same
JP2018160473A Lighting fixture
JP2018166399A Rotor assembly