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CHOFU SEISAKUSHO KK

Overview
  • Total Patents
    62
About

CHOFU SEISAKUSHO KK has a total of 62 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, thermal processes and electrical machinery and energy are SERVICO NAC DE APRENDIZAGEM IND SENAI DR BA, HIYAMIZU MASARU and OKURA SANGYO KK.

Patent filings in countries

World map showing CHOFU SEISAKUSHO KKs patent filings in countries
# Country Total Patents
#1 Japan 62

Patent filings per year

Chart showing CHOFU SEISAKUSHO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yoshida Takao 17
#2 Takahama Hiroyuki 11
#3 Yagi Asuka 7
#4 Harada Shigenobu 5
#5 Hayata Kenichi 3
#6 Shigemura Yukihiro 3
#7 Ishii Yukio 3
#8 Miura Masatake 3
#9 Hizuka Yasuo 2
#10 Futagawa Satoru 2

Latest patents

Publication Filing date Title
JPH1066659A Bathtub washing device
JPH1065354A Cover for operating panel
JPH09318016A Vaporizer for oil burning device
JPH09323747A Device for opening/closing oil inlet cap
JPH09313381A Bathtub washing unit
JPH09313382A Bathtub washer
JPH09224860A Bathtub washing device
JPH09236309A Airflow direction regulating louver for cooler
JPH09232476A Electronic device
JPH09178178A Alarm data storing remote control unit of combustion equipment
JPH09152201A Control of outdoor blower for inverter type air-conditioner
JPH09145154A Method for controlling bath heater having one-boiler two-water passage type hot water feeder and remote controller for bath room
JPH09134636A Control device of electric motor
JPH09115403A Control device of electric motor
JPH09101018A Cartridge type oil supply tank and receiving tank
JPH0973279A Display method of error code
JPH0916213A Electric machine instrument
JPH0914647A Gas apparatus
JPH08332325A Filter for hot water circulating filter
JPH08299714A Filter for hot water circulation filter