Learn more

HORIKIRI SPRING MFG

Overview
  • Total Patents
    57
About

HORIKIRI SPRING MFG has a total of 57 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets mechanical elements, transport and machine tools are SPENCER WILLIAM WILFRED, HYRAD CORP and VIBRACOUSTIC CV AIR SPRINGS GMBH.

Patent filings in countries

World map showing HORIKIRI SPRING MFGs patent filings in countries
# Country Total Patents
#1 Japan 50
#2 United States 6
#3 EPO (European Patent Office) 1

Patent filings per year

Chart showing HORIKIRI SPRING MFGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ebata Toshikazu 32
#2 Saitou Tsutomu 17
#3 Tanaka Tadamasa 15
#4 Muramatsu Kazuhiro 9
#5 Fukui Takashi 7
#6 Saito Tsutomu 4
#7 Nakamura Masao 4
#8 Tomita Makoto 3
#9 Tanaka Tadanori 3
#10 Ikeuchi Tsutsuo 2

Latest patents

Publication Filing date Title
JPH08325640A Method for quenching leaf spring and apparatus therefor
JPH07266837A Manufacture of hollow stabilizer
JPH05196076A Insert for laminated spring
JPH05196078A Rubber silencer for laminated leaf spring
JPH03125039A Plate spring for suspension of vehicle
US5100482A Method of preparing a leaf spring
JPH0377739A Method for working center bolt hole of leaf spring
JPS63303236A Eye of laminated spring
JPS62122742A Mandrel for preparation of leaf spring made of fiber reinforced resin
JPS62124099A Spring plate and its production
JPS62124098A Spring plate and its production
JPS6217436A Coiled spring
JPS61278634A Leaf spring made of fibre-reinforced resin and manufacture thereof
JPS61276721A Manufacture of spring plate
JPS61276720A Manufacture of spring plate
JPS61206528A Method and apparatus for bending spring plate end part
JPS6199625A Manufacture of plate spring
JPS6191320A Insulating device for material to be worked
JPS6181812A Sliding seat
JPS611424A Manufacture of plate spring and its device