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IGARASHI HIROSHI

Overview
  • Total Patents
    54
About

IGARASHI HIROSHI has a total of 54 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets environmental technology, optics and machines are TYAGI DINESH, ZARETSKY MARK CAMERON and MITSUBISHI KAGAKU IMAGING CORP.

Patent filings in countries

World map showing IGARASHI HIROSHIs patent filings in countries

Patent filings per year

Chart showing IGARASHI HIROSHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Igarashi Hiroshi 37
#2 Igarashi Masaji 18
#3 Kamimura Naoya 6
#4 Miyajima Toshihiko 4
#5 Tomatsu Yoshiya 3
#6 Miyake Shinichi 2
#7 Okabe Tsutomu 2
#8 Matsumura Takayuki 2
#9 Ro Konchu 1
#10 Aratachi Tomitake 1

Latest patents

Publication Filing date Title
US2010059408A1 Closed container and lid opening/closing system therefor
JP2003322905A Tripod used for camera with foldable chair and other purpose
JP2003086027A Wiring material
JP2002219475A Drainage clarification unit and equipment
JP2002058387A Apparatus for raising aquatic organism
JP2002054269A Crossing structure and crossing structure connection body
JP2002011487A Drainage channel unit, drainage treating device and drainage treating method
JP2001347290A Wastewater treatment apparatus
JP2001300515A Device and method for treating liquid
JP2001232384A Waste water treatment tank, waste water treatment device and waste water treatment method
JP2001009496A Wastewater treatment equipment
JP2000296394A Waste water treatment and waste water treating apparatus
JP2000288563A Waste water treatment method and apparatus
JP2000102797A Rotary water purifying device
JPH11303153A Underground water intake device and circulating type water treatment method and device therefor
JPH11276811A Sedimentation separation device for water contaminating substance
JPH11210063A Structure for channel
JPH11147008A Container for collecting water-quality contaminant
JPH11147010A Water cleaning bag
JPH1177073A Foul water purification wastewater treatment device