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DIAFOIL CO LTD

Overview
  • Total Patents
    943
About

DIAFOIL CO LTD has a total of 943 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets machines, audio-visual technology and macromolecular chemistry and polymers are DIAFOIL HOECHST CO LTD, MITSUBISHI POLYESTER FILM CORP and COCHRAN WILLIAM H.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Uchiumi Shigeo 135
#2 Endo Kazuo 113
#3 Sakamoto Seiji 97
#4 Fukuda Yujiro 83
#5 Sato Yoshiki 71
#6 Ozaki Yoshihide 67
#7 Inagaki Masashi 64
#8 Otani Yuzo 63
#9 Utsumi Shigeo 53
#10 Takeda Naohiro 50

Latest patents

Publication Filing date Title
JPH10230577A Oriented laminate polyester film for sticking on automobile window
JPH10230576A Release film
JPH10128936A Vapor deposited polyester film
JPH10329293A Manufacture of support for polyester photographic paper
JPH10329884A Film package
JPH10329188A Manufacture of polyester composition, sheet and film
JPH10323832A Production of polyester composition
JPH10323831A Production of polyester composition
JPH10323833A Production of polyester composition
JPH10321459A Biaxially oriented polyester film for capacitor
JPH10315320A Manufacture of biaxially oriented polyester film
JPH10315418A Polyester film for capacitor
JPH10315416A Biaxially oriented polyester film for capacitor
JPH10296937A Polyester film for decorative plate or decorative sheet
JPH10296838A Manufacture of polyester sheet
JPH10291287A Manufacture of polyester photographic substrate
JPH10286922A Release film
JPH10286923A Mold release film
JPH10287752A Biaxially oriented polyester film for capacitor
JPH10286921A Release film