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DOWA ELECTRONICS MATERIALS CO

Overview
  • Total Patents
    1,804
  • GoodIP Patent Rank
    1,960
  • Filing trend
    ⇩ 9.0%
About

DOWA ELECTRONICS MATERIALS CO has a total of 1,804 patent applications. It decreased the IP activity by 9.0%. Its first patent ever was published in 1997. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets materials and metallurgy, electrical machinery and energy and semiconductors are DOWA ELECTRONICS MAT CO, UNIV YAMAGATA NAT UNIV CORP and WITEC CAYMAN PATENTS LTD.

Patent filings per year

Chart showing DOWA ELECTRONICS MATERIALS COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sato Kimitaka 198
#2 Inoue Kenichi 108
#3 Ueyama Toshihiko 106
#4 Ikuta Tetsuya 96
#5 Fujita Hidefumi 94
#6 Endoh Keiichi 85
#7 Kurita Satoru 83
#8 Gotoh Masahiro 77
#9 Miyoshi Hiromasa 76
#10 Sasaki Shinya 75

Latest patents

Publication Filing date Title
WO2021075439A1 Semiconductor light-emitting element and method for manufacturing same
WO2021066116A1 Point source light emitting diode and method for manufacturing same
WO2021065935A1 Iron-based oxide magnetic powder and method for producing same
WO2021060217A1 Optical semiconductor device production method, and optical semiconductor device
WO2021060126A1 Joining material, method for manufacturing joining material, joining method, and semiconductor device
WO2021060095A1 Solution containing lithium, niobium complex and hydrazine, method for producing same, and method for producing active material for lithium secondary batteries
WO2021060035A1 Carrier core material, and electrophotography development carrier and electrophotography developer in which said material is used
WO2021039828A1 Silicon oxide-coated fe-based soft magnetic powder, and method for manufacturing same
JP2020176334A Copper powder and conductive paste
WO2021010350A1 Light-emitting element lamp and method for manufacturing same
WO2020262424A1 Method for transporting metal paste, method for storing metal paste, metal paste, and metal paste storage set
WO2020262115A1 Silver powder and method for producing same
JP2021006661A Silver powder and method for producing the same
WO2020196411A1 Point source light emitting diode and method for manufacturing same
JP2020167401A Point source light emitting diode and method for manufacturing the same
WO2020195990A1 SUBSTITUTED ε-IRON OXIDE MAGNETIC PARTICLE POWDER, PRODUCTION METHOD FOR SUBSTITUTED ε-IRON OXIDE MAGNETIC PARTICLE POWDER, GREEN COMPACT, PRODUCTION METHOD FOR GREEN COMPACT, AND ELECTROMAGNETIC WAVE ABSORBER
WO2020179659A1 SUBSTITUTION-TYPE ε-IRON OXIDE MAGNETIC PARTICLE POWDER, METHOD FOR PRODUCING SUBSTITUTION-TYPE ε-IRON OXIDE MAGNETIC PARTICLE POWDER, GREEN COMPACT, METHOD FOR PRODUCING GREEN COMPACT, AND ELECTROMAGNETIC WAVE ABSORBER
JP2020164401A Solution containing lithium, niobium complex and nitrous acid and method for manufacturing the same, and method for manufacturing lithium secondary battery active material
WO2020153308A1 Production method for reflective electrodes for deep ultraviolet light-emitting elements, production method for deep ultraviolet light-emitting elements, and deep ultraviolet light-emitting elements
JP2020120114A Method of manufacturing reflective electrode for deep ultraviolet light-emitting element, method of manufacturing deep ultraviolet light-emitting element, and deep ultraviolet light-emitting element