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KOYO SEIKO COMPANY LTD

Overview
  • Total Patents
    18
About

KOYO SEIKO COMPANY LTD has a total of 18 patent applications. Its first patent ever was published in 1959. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets mechanical elements, textiles and paper and machines are KOYO SEIKO CO, ENG PRODUCTIONS CLEVEDON LTD and PITNER ALFRED.

Patent filings in countries

World map showing KOYO SEIKO COMPANY LTDs patent filings in countries

Patent filings per year

Chart showing KOYO SEIKO COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Minoru Tanaka 2
#2 Goto Masao 2
#3 Takahashi Takeshi 1
#4 Ito Jin 1
#5 Ogura Kanji 1
#6 Takada Nobno 1
#7 Fujiwara Hideki 1
#8 Adaniya Taku 1
#9 Asai Yasuo 1
#10 Takada Nobuo 1

Latest patents

Publication Filing date Title
US6780139B2 Toroidal continuously variable transmission
US5156246A One-way clutch
GB1248931A An improved steering gear of the circulating ball type
US3396977A Grease sealed bearings
US3221687A Automatic ornamental stitch sewing machine
US3239724A Current responsive control bridge system
GB1014593A Improvements in relating to bearings
US3177835A Automatic pattern zigzag sewing machine
US3113814A Sealed bearings
US3034462A Ornamental stitch sewing machine
CA909700A One-way clutch