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DOPPEL CO LTD

Overview
  • Total Patents
    109
About

DOPPEL CO LTD has a total of 109 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Australia, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets materials and metallurgy, machines and civil engineering are JAMES HARDIE INT FINANCE BV, BOEE HANS PETER and LATICRETE INT INC.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Sakai Mieko 67
#2 Saito Kenichiro 38
#3 Yamanashi Sumiyo 19
#4 Sakai Tsuyoshi 12
#5 Mieko Sakai 11
#6 Kenichiro Saito 8
#7 Inoue Yukihiko 5
#8 Tsuyoshi Sakai 2
#9 Sumiyo Yamanashi 1
#10 Kenichiro Yamanashi Sumiyo Sak 1

Latest patents

Publication Filing date Title
AU3703002A Formed artificial stone
AU3702902A Noctilucent or fluorescent artificial stone composition
AU3555502A Noctilucent or fluorescent artifial stone
MY129306A Artificial stone having non-slip property
US6627315B2 Artificial stone
KR20030032407A Artificial stone and formation therefor
TW574168B Artificial stone and formation therefor
MXPA01010272A Artificial stone and formation thereof.
MY138527A Artificial stone and formation therefor
AU7821101A Artificial stone and formation therefor
US6500543B2 Artificial stone molded product
AU5400899A Artificial stone composition and method of manufacturing artificial stone
WO9913755A1 Frame
EP1048631A1 Non-slip artificial stone
CA2318123A1 Artificial stone
WO9856730A1 Antimicrobial artificial stone and process for the production thereof
CN1227655A Disaster prevention building material
CN1227654A Internal and external building materials
AU3105897A Disaster prevention building material
AU3105997A Internal and external building material