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OHARA SEIJI

Overview
  • Total Patents
    20
About

OHARA SEIJI has a total of 20 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and optics are FEDERAL NOE G BJUDZHETNOE UCHREZHDENIE NAUKI INST FIZ TVERDOGO TELA ROSSIJSKOJ AKADEMII NAUK IFTT RA, KOIZUMI TAKEO and KENLI SANHE NEW MATERIAL TECHN.

Patent filings in countries

World map showing OHARA SEIJIs patent filings in countries
# Country Total Patents
#1 Japan 20

Patent filings per year

Chart showing OHARA SEIJIs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Ohara Seiji 19
#2 Hayashi Keiichi 13
#3 Yokoyama Shoichiro 4
#4 Oohara Seiji 1

Latest patents

Publication Filing date Title
JP2015025634A Oil burner
JP2011169510A Fire tube one-through boiler
JP2011075113A Short frame/low air ratio oil burner using impinging spray, swirl air flow, and refractory wall
JP2011075112A Steam ejector for incinerator
JP2009150614A High-water-content flammable material drying and burning method with deodorizer
JP2009127226A Snow melting system with means for dropping snow into heated swimming pool
JP2009127225A Snow melting equipment using exhaust air of steam turbine as heat source
JP2009085573A Method for deodorizing combustible material containing high moisture content
JP2009085572A Combustion boiler for combustible material containing powder and particulate
JP2007163032A Oil-burning tube bundle combustion boiler using collision type atomizer
JP2007132617A Drying method for high moisture content combustible
JP2006322678A Oil burning tube nest combustion boiler
JP2002349820A Waste incinerator discharging no dioxins and the like at starting and stopping time
JP2002317906A Air spraying prevaporization oil burner
JP2002162003A Self recirculation system using booster blower and ejector
JP2000146125A Premixing oil burner
JP2000146122A Funnel type gun type oil burner
JPH1182926A Exhaust gas recirculating unit of furnace using ejector and booster blower
JPH0742901A Vertical fire tube boiler having promotor
JPS60225114A Spectacle frame for self-treatment