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DIAFOIL HOECHST CO LTD

Overview
  • Total Patents
    197
About

DIAFOIL HOECHST CO LTD has a total of 197 patent applications. Its first patent ever was published in 1983. It filed its patents most often in EPO (European Patent Office), United States and Mexico. Its main competitors in its focus markets machines, audio-visual technology and macromolecular chemistry and polymers are DIAFOIL CO LTD, AUXETIC TECHNOLOGIES LTD and MITSUBISHI POLYESTER FILM LLC.

Patent filings in countries

World map showing DIAFOIL HOECHST CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Utsumi Shigeo 26
#2 Sakamoto Seiji 26
#3 Endo Kazuo 22
#4 Inagaki Masashi 22
#5 Masuda Narihiro 18
#6 Ozaki Yoshihide 17
#7 Sato Yoshinori 17
#8 Kotani Tomoyuki 15
#9 Takeda Naohiro 15
#10 Okajima Nariaki 13

Latest patents

Publication Filing date Title
WO9826929A1 Oriented laminated polyester film to be pasted on automobile windowpanes
EP0717395A2 High-density magnetic recording medium
US5532049A Magnetic recording medium having a calendered polyester layer with a specified deformation ratio
EP0639468A1 Polyester film for highly heat sensitive original sheet for stencil printing
US5466521A Film for high heat-sensitive stencil paper
EP0585710A2 Multilayered polyester base film for optical tape.
EP0579121A2 Polyester film
EP0568008A1 Laminated polyethylene 2,6-naphthalate film
JPH0639982A Biaxially oriented laminated polyester film for magnetically recording medium
CA2094432A1 Polyester film for high density magnetic recording tape
CA2092224A1 Poly (ethylene 2,6-naphthalate) film
EP0562486A1 Laminated polyester film
US5391429A Polyester film
EP0545371A1 Optical tape
US5738926A Metallized polyester film capacitor
CA2078698A1 Biaxially orientated polyester film
CA2076442A1 Film for thermal stencil sheets
EP0523596A1 Polyester film for high-density magnetic tape
EP0528134A1 Optical tape
US5262224A Printed laminate