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HANDA RIKIYA

Overview
  • Total Patents
    11
About

HANDA RIKIYA has a total of 11 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Japan and United States. Its main competitors in its focus markets thermal processes are SEIHOKU SANGYO KK, EIKEN IND and GASTAR CO LTD.

Patent filings in countries

World map showing HANDA RIKIYAs patent filings in countries
# Country Total Patents
#1 Japan 10
#2 United States 1

Patent filings per year

Chart showing HANDA RIKIYAs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Thermal processes

Focus technologies

Top inventors

# Name Total Patents
#1 Handa Rikiya 11
#2 Yamagami Tamotsu 2
#3 Aritaka Satoru 2
#4 Suzuki Toshiaki 1
#5 Fujii Iwane 1
#6 Ishibashi Takeya 1
#7 Tanaka Hisayoshi 1
#8 Nagai Tadao 1
#9 Miyakoshi Tetsuo 1

Latest patents

Publication Filing date Title
JP2005037023A Waste liquid combustion processing method and device
JP2004357773A Method of treating oil containing pcb
JP2004324914A Old tire incinerating method and its device
JP2004239462A Clean combustion device for off-quality oil fuel
JPH11128724A Method for treating pcb-including oil
JPS6117783A Gas cut-off valve and leakage detector
JPS60122825A Safety device for gas
JPS55143323A Safety system for gas supplying system
JPS55143322A Safety system for gas supplying system
JPS55143321A Safety system for gas supplying system