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SOKO KAGAKU CO LTD

Overview
  • Total Patents
    113
  • GoodIP Patent Rank
    15,667
  • Filing trend
    ⇩ 69.0%
About

SOKO KAGAKU CO LTD has a total of 113 patent applications. It decreased the IP activity by 69.0%. Its first patent ever was published in 2009. It filed its patents most often in WIPO (World Intellectual Property Organization), Taiwan and United States. Its main competitors in its focus markets semiconductors, surface technology and coating and optics are TOSHIBA TECHNO CT INC, CHEN DING-YUAN and BRIDGE SEMICONDUCTOR CORP.

Patent filings per year

Chart showing SOKO KAGAKU CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hirano Akira 105
#2 Nagasawa Yosuke 44
#3 Aosaki Ko 34
#4 Ippommatsu Masamichi 29
#5 Pernot Cyril 29
#6 Yamada Kiho 16
#7 Kojima Kazunobu 13
#8 Chichibu Shigefusa 13
#9 Nagai Shoko 8
#10 Inazu Tetsuhiko 8

Latest patents

Publication Filing date Title
CN111712930A Nitride semiconductor ultraviolet light emitting device
WO2019102557A1 Nitride semiconductor light-emitting element
EP3584845A1 Method for producing nitride semiconductor ultraviolet light emitting element, and nitride semiconductor ultraviolet light emitting element
CN111316454A Ultraviolet light emitting device, method for manufacturing ultraviolet light emitting device, and method for manufacturing ultraviolet light emitting module
CN109314159A The manufacturing method of template, nitride-based semiconductor ultraviolet ray emitting element and template
CN111052419A Light emitting device
WO2019038877A1 Method for manufacturing nitride semiconductor ultraviolet light emitting element, and nitride semiconductor ultraviolet light emitting element
WO2018003228A1 Ultraviolet ray-emitting device and method for manufacturing same
US2020321491A1 Nitride semiconductor ultraviolet light emitting device and method for manufacturing same
WO2018061080A1 Method for manufacturing nitride semiconductor ultraviolet light emitting element, and nitride semiconductor ultraviolet light emitting element
US2018199433A1 Nitride semiconductor light-emitting element base and manufacturing method thereof
TW201719934A Nitride semiconductor wafer and manufacturing method thereof, and nitride semiconductor ultraviolet light-emitting element and device
CN108140703A Nitride-based semiconductor ultraviolet rays emitting apparatus and its manufacturing method
US2018261725A1 Nitride semiconductor ultraviolet light-emitting element
EP3279951A1 Nitride-semiconductor ultraviolet-light emitting element
US2016218259A1 Ultraviolet light emitting device
WO2016031039A1 Template for epitaxial growth and method of preparing same, and nitride semiconductor device
EP2993710A1 Ultraviolet light-emitting device
WO2015111134A1 Nitride semiconductor light emitting element
KR20140043163A Nitride semiconductor element and method for producing same