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MARUBUN CO LTD

Overview
  • Total Patents
    106
  • GoodIP Patent Rank
    33,045
  • Filing trend
    ⇧ 66.0%
About

MARUBUN CO LTD has a total of 106 patent applications. It increased the IP activity by 66.0%. Its first patent ever was published in 1977. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and Taiwan. Its main competitors in its focus markets semiconductors, machine tools and computer technology are SAKURAI DAISUKE, PANG MENGZHI and VISWANATHAN LAKSHMINARAYAN.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Tashiro Takaharu 45
#2 Kashima Yukio 45
#3 Osada Yamato 45
#4 Kamimura Ryuichiro 45
#5 Matsuura Eriko 45
#6 Hirayama Hideki 45
#7 Kokubo Mitsunori 40
#8 Ookawa Takafumi 25
#9 Shimatani Satoshi 20
#10 Nakada Satoki 17

Latest patents

Publication Filing date Title
TW202027304A Deep ultraviolet led device and method for manufacturing same
US2021036186A1 Deep ultraviolet led and method for producing the same
JP2020107778A Deep ultraviolet LED device and manufacturing method thereof
CN112272966A Transfer device and method of use
JP2020004478A Lift device and method for using same
JP2019013958A Co laser-based chamfering processing method for brittle material
JP2018183797A Chamfering method and device by means of laser of fragile material
WO2017168811A1 Deep ultraviolet led and production method therefor
WO2017038961A1 Deep-ultraviolet led and method for manufacturing same
WO2016093257A1 Light-emitting element and method for manufacturing same
EP3246956A1 Deep ultraviolet led and method for manufacturing same
WO2015133000A1 Deep ultraviolet led and method for manufacturing same
WO2015008776A1 Semiconductor light-emitting element and production method
KR20140022106A Light emitting element and method for manufacturing same
JP2012005433A Noodle string transfer device
JP2011031282A Laser beam machining apparatus, laser beam machining method, and droplet discharging nozzle plate
JP2010155278A Beam machining apparatus, beam machining method, and substrate machined by beam
JP2011013110A Film thickness measurement apparatus and film thickness measurement method
JP2010075995A Beam processing apparatus, beam processing method, and beam processing substrate
JP2010075996A Beam processing apparatus, beam processing method, and beam processing substrate