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NIPPON SEIKO KK

Overview
  • Total Patents
    4,949
  • GoodIP Patent Rank
    228,358
About

NIPPON SEIKO KK has a total of 4,949 patent applications. Its first patent ever was published in 1963. It filed its patents most often in Japan, United States and France. Its main competitors in its focus markets mechanical elements, machines and transport are SKF IND TRADING & DEV, SKF IND INC and SCHAEFFLER KOREA CORP.

Patent filings per year

Chart showing NIPPON SEIKO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tanaka Katsuhiko 204
#2 Sakatani Ikunori 155
#3 Ouchi Hideo 136
#4 Yabe Shunichi 95
#5 Imanishi Takashi 93
#6 Yokouchi Atsushi 92
#7 Machida Takashi 85
#8 Fukuyama Hiromasa 83
#9 Asai Hiromitsu 80
#10 Ito Hiroyuki 80

Latest patents

Publication Filing date Title
JP2000046848A Vehicle-rotating body with rotational speed-detecting device
JP2000081445A Hub unit for detecting rotary speed
JP2000081042A Cylindrical roller bearing
JP2000046850A Vehicle-rotating body with rotational speed-detecting device
JP2000074075A Roller bearing
JP2000074079A Flanged rolling bearing
JP2000080446A Induction-hardened rolling member
JP2000055057A Roller retainer of roller bearing
JPH11344030A Linear guide device
JP2000035045A Rolling bearing
JP2000081344A High-accuracy vr-type resolver
JP2000065075A Rolling bearing
JP2000027862A Linear moving guide bearing device
JP2000053003A Steering column support device
JPH11344035A Cylindrical roller bearing
JP2000087991A Coupling structure of expandable shaft
JPH11315351A Rolling bearing
JPH11280758A Rolling bearing device
JP2000009200A Toroidal type continuously variable transmission
JP2000033548A Washing brush