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HIROSE ENGINEERING CO LTD

Overview
  • Total Patents
    87
About

HIROSE ENGINEERING CO LTD has a total of 87 patent applications. Its first patent ever was published in 2000. It filed its patents most often in Taiwan, WIPO (World Intellectual Property Organization) and Japan. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and semiconductors are KAI TAKAHIRO, UIV CHEM YURUI SHANGHAI CHEMICAL CO LTD and TAKADA SAKI.

Patent filings per year

Chart showing HIROSE ENGINEERING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakaya Tadao 78
#2 Saikawa Tomoyuki 40
#3 Tobita Michiaki 29
#4 Ikeda Atsushi 24
#5 Tajima Akio 20
#6 Matsumoto Ryoji 18
#7 Ishitobi Tatsuro 16
#8 Sato Mitukura 8
#9 Yamauchi Takao 7
#10 Hida Michiaki 7

Latest patents

Publication Filing date Title
WO2007046247A1 Nile red type luminescent compound emitting red light, luminescent element, and molded plastic
WO2007046246A1 Luminescent composition and light-emitting device
US2006287524A1 Nile red luminescent compound emitting red light, process for producing the same and luminescence element utilizing the same
WO2006115131A1 Luminescent polymer, process for producing luminescent polymer, and luminescent element
TW200639154A Nile red type red light emitting compound and light emitting device
JP2006191138A White light emitting illumination device and white light emitting organic el element by single compound
JP2007210955A White light-emitting compound
TW200626701A Plastic molded product and method for predicting the wavelength of the illuminating light
TW200613288A Light emitting compound, light emitting high molecular compound and light emitting device
JP2007099723A White-colored organic phosphor compound and light-emitting element
TW200611899A Metal-containing coordination compound, high molecular compound containing coordination compound residue, organic electroluminescence material, white organic electroluminescence material, white light emitting device and light emitting device
WO2006025219A1 Novel polymer, novel compound, method for producing novel polymer, method for producing novel compound, and blue light-emitting device
WO2006025186A1 Dicarbazyl compound, process for producing the same, dicarbazyl polymer, and luminescent element
TW200613511A White light-emitting compound and white light-emitting high-molecular compound and fabricationg method thereof and light-emitting device
TW200600527A Hole-transporting polymer
TW200602477A White organic fluorescent chemical compound
JP2006032868A Red light-emitting device
JP2005097537A Light-emitting display device
JP2006008628A Blue light emitting compound and light emitting element
JP2005120071A Light emitting compound and light emitting element