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PI R & D CO LTD

Overview
  • Total Patents
    93
  • GoodIP Patent Rank
    223,682
  • Filing trend
    ⇩ 100.0%
About

PI R & D CO LTD has a total of 93 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1998. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets macromolecular chemistry and polymers, audio-visual technology and optics are CHOSHUN JINZO JUSHISHO KOFUN Y, TOTO KASEI KK and JAPAN EPOXY RESIN KK.

Patent filings per year

Chart showing PI R & D CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Goshima Toshiyuki 34
#2 Itatani Hiroshi 31
#3 Win Maw Soe 26
#4 Matsumoto Shunichi 25
#5 Itaya Hiroshi 16
#6 Kyo Eika 16
#7 Sato Takahiro 11
#8 Ishii Hiroyuki 11
#9 Nakajima Shintaro 11
#10 Miyamura Masataka 8

Latest patents

Publication Filing date Title
JP2019096401A Binder for lithium ion secondary battery production, and lithium ion secondary battery using the same
JP2017075206A Polyimide for electrodeposition and electrodeposition coating composition containing the same
JP2014072222A Solar cell and method of manufacturing the same
JP2013173820A Novel polyimide and printing composition including the same
JP2013153107A Manufacturing method of bonding wire and bonding wire
JP2012197403A Imide oligomer, and polyimide resin formed by heat curing thereof
JP2012069594A Polyimide resin composition for forming insulating film in solar cell and method of forming insulating film in solar cell by using the same
JP2012069592A Polyimide resin composition for forming rear reflective layer of fuel cell and method for forming rear reflective layer of fuel cell using the same
JP2011178855A Polyimide resin composition for semiconductor apparatus, method for forming film in semiconductor apparatus and semiconductor apparatus
JP2010260902A Photosensitive modified polyimide resin composition and use thereof
JP2010260906A Method for producing modified polyimide and modified polyimide
JP2009283284A Conductive agent for electrode of battery, electrode and battery containing the same
KR20080100258A Photosensitive ink composition for screen printing and method of forming positive relief pattern with use thereof
JP2008107419A Positive photosensitive resin composition and photosensitive dry film
EP2034055A1 Metal composite film and process for producing the same
JP2006002163A Block copolymer polyimide composition soluble in ketonic and/or ethereal solvent and its production method
JP2005330493A Method for treating surface and adhesive therefor
WO2005116152A1 Block copolymerized polyimide ink composition for printing
WO2006057036A1 Solution compositions of block copolyimides containing pyromellitic dianhydride and film made therefrom
JP2006130710A Metal composite film