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TSUTSUI OSAMU

Overview
  • Total Patents
    40
  • GoodIP Patent Rank
    240,600
About

TSUTSUI OSAMU has a total of 40 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Japan, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, optics and audio-visual technology are JOSEPH MACNAB, IZUMITANI TEIZOU and HGM CO LTD.

Patent filings per year

Chart showing TSUTSUI OSAMUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tsutsui Osamu 40
#2 Haraga Hisato 1
#3 Fujino Kiyoshi 1
#4 Kawamura Yoshiki 1
#5 Yamada Hideo 1
#6 Uchimura Yoshinobu 1

Latest patents

Publication Filing date Title
JP2020164584A Method for producing luminous material
JP2013073178A Phosphorescent lighting device
JP2013073881A Light-storage lighting apparatus
JP2013073885A Light-storage lighting apparatus
JP2013045675A Lighting fixture having phosphorescent function
JP2012197386A Pressure sintering device
JP2012193323A Method for producing light storing material
JP2012007114A Phosphor for inorganic el device and method of manufacturing the same
JP2011153264A Phosphor for inorganic el device and method for production
JP2011111477A Phosphor for inorganic el element and production method
JP2011021092A Method for manufacturing luminous material
JP2011016855A Method for producing luminous material
JP2010285567A Method for producing light-accumulating material
JP2010280798A Method for producing light-storing material
JP2010168451A Method for producing light-storing material
JP2010163476A Method of manufacturing light-accumulating material
JP2010096824A Phosphorescent chip
JP2010094829A Method for producing light accumulating chip
JP2010026020A Light accumulating chip and method of manufacturing the same
JP2009127314A Road marker