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NORITSU KK

Overview
  • Total Patents
    539
About

NORITSU KK has a total of 539 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan and Republic of Korea. Its main competitors in its focus markets thermal processes, control and telecommunications are NODA INDUSTRIAL CO LTD, DRESDEN WAERMEGERAETEWERK and ISMIEV EKRAM A.

Patent filings in countries

World map showing NORITSU KKs patent filings in countries
# Country Total Patents
#1 Japan 538
#2 Republic of Korea 1

Patent filings per year

Chart showing NORITSU KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamashita Hiroshi 56
#2 Nakayama Fumio 52
#3 Iwasaki Kazuo 36
#4 Tamura Kiyoshi 31
#5 Hidaka Katsuhiro 29
#6 Egami Toyohiko 27
#7 Kusuda Katsuhiro 25
#8 Ikeuchi Yasuhide 23
#9 Hioki Kiyoshi 22
#10 Suga Toshiki 21

Latest patents

Publication Filing date Title
JPH04270818A Ignition control method for gun-type burner
KR0140389B1 Hot water heater for water supply
JPH0360663A Bathtub water purifier
JPH0330765A Bubble bath equipment
JPH02249551A Automatic hot water supply type bubble bath device
JPS63311040A Hot water feeding control apparatus
JPS63311039A Hot water feeding control apparatus
JPS63311042A Hot water feeding control apparatus
JPS63311041A Hot water feeding control apparatus
JPS63311043A Hot water mixing and control apparatus
JPS63309224A Shower apparatus
JPS63309225A Shower apparatus
JPS63302247A Remote controller of combustion apparatus
JPS63302250A Safety device for forced circulation type bath heater
JPS63302215A Motion control device for hot water feeder
JPS63290344A Hot water supplier
JPS63286656A Hot-water supplier
JPS63273760A Hot air space heater
JPS63273759A Hot air space heater
JPS63273757A Large capacity hot water maker of parallel type