KOYO SEIKO CO has a total of 9,084 patent applications. Its first patent ever was published in 1963. 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 machines are NSK LTD, ENG PRODUCTIONS CLEVEDON LTD and NIPPON SEIKO KK.
# | Country | Total Patents | |
---|---|---|---|
#1 | Japan | 7,303 | |
#2 | United States | 792 | |
#3 | EPO (European Patent Office) | 322 | |
#4 | WIPO (World Intellectual Property Organization) | 177 | |
#5 | Germany | 105 | |
#6 | Republic of Korea | 103 | |
#7 | France | 97 | |
#8 | United Kingdom | 55 | |
#9 | China | 50 | |
#10 | Canada | 32 | |
#11 | Brazil | 14 | |
#12 | Australia | 10 | |
#13 | Taiwan | 7 | |
#14 | Italy | 6 | |
#15 | Netherlands | 2 | |
#16 | Argentina | 1 | |
#17 | Austria | 1 | |
#18 | Czechia | 1 | |
#19 | Finland | 1 | |
#20 | Hong Kong | 1 | |
#21 | Mexico | 1 | |
#22 | Sweden | 1 | |
#23 | Singapore | 1 | |
#24 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Transport | |
#3 | Machines | |
#4 | Measurement | |
#5 | Machine tools |
# | Technology | |
---|---|---|
#1 | Shafts | |
#2 | Motor vehicles | |
#3 | Gearing | |
#4 | Clutches and brakes | |
#5 | Unspecified technologies | |
#6 | Unspecified technologies | |
#7 | Vehicle wheels | |
#8 | Measuring force, work and fluid pressure | |
#9 | Rolling metal | |
#10 | Measuring speed and acceleration |
# | Name | Total Patents |
---|---|---|
#1 | Nishizaki Katsutoshi | 247 |
#2 | Inoue Masahiro | 231 |
#3 | Nakano Shiro | 183 |
#4 | Sano Osamu | 179 |
#5 | Segawa Masaya | 170 |
#6 | Kada Tomoyasu | 170 |
#7 | Hiragushi Shuzo | 167 |
#8 | Takahashi Takeshi | 166 |
#9 | Fujiwara Hideki | 152 |
#10 | Ueno Hiroshi | 136 |
Publication | Filing date | Title |
---|---|---|
US2006134344A1 | Coated article, manufacturing method therefor and coating apparatus | |
JP2005335710A | Steering device for vehicle | |
JP2006017310A | Slide bearing device | |
WO2006019142A1 | Retainer for bearing | |
WO2006019121A1 | Bearing retainer | |
US2007025654A1 | Tapered roller bearing assembly and method of fabricating the same | |
WO2005115819A1 | Vehicle steering device | |
WO2005119106A1 | Seal structure and cross shaft coupling | |
JP2006008114A | Impact-absorbing steering apparatus | |
JP2005233433A | Retainer for rolling bearing | |
WO2005111451A1 | Shaft joint monitoring device | |
WO2005108943A1 | Torque detection device | |
JP2005273915A | Bearing apparatus for wheel | |
JP2005280703A | Bearing device for wheel and its processing method | |
JP2005214426A | Sealing device for rolling bearing | |
JP2005186938A | Bearing device for vehicle axle and its method of manufacturing | |
JP2005193906A | Impact absorption type steering column | |
JP2005161407A | Structure for supporting rolling roll | |
JP2005140342A | Closed type thrust dynamic pressure bearing | |
JP2005193902A | Bearing unit for wheel |