OGURA CLUTCH CO LTD has a total of 541 patent applications. It decreased the IP activity by 8.0%. Its first patent ever was published in 1973. It filed its patents most often in Japan, United States and China. Its main competitors in its focus markets mechanical elements, electrical machinery and energy and engines, pumps and turbines are STEARNS ELECTRIC CORP, BORG AND BECK COMPANY LTD and STROMAG AG.
# | Country | Total Patents | |
---|---|---|---|
#1 | Japan | 436 | |
#2 | United States | 39 | |
#3 | China | 28 | |
#4 | EPO (European Patent Office) | 15 | |
#5 | WIPO (World Intellectual Property Organization) | 12 | |
#6 | Germany | 5 | |
#7 | France | 3 | |
#8 | Republic of Korea | 2 | |
#9 | Australia | 1 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Electrical machinery and energy | |
#3 | Engines, pumps and turbines | |
#4 | Packaging and shipping | |
#5 | Textiles and paper |
# | Technology | |
---|---|---|
#1 | Clutches and brakes | |
#2 | Gearing | |
#3 | Magnets and transformers | |
#4 | Dynamo-electric machines | |
#5 | Handling thin material | |
#6 | Internal-combustion piston engines | |
#7 | Springs | |
#8 | Typewriters | |
#9 | Supplying combustion engines | |
#10 | Rotary-pistons |
# | Name | Total Patents |
---|---|---|
#1 | Kurosu Yoshihiro | 71 |
#2 | Mitsuhashi Takashi | 47 |
#3 | Yokoyama Yasuo | 39 |
#4 | Arai Shigeharu | 30 |
#5 | Ishimaru Takashi | 27 |
#6 | Akashi Toshiaki | 26 |
#7 | Matsushima Hiroaki | 21 |
#8 | Kato Motoi | 20 |
#9 | Suzuki Yasuhiro | 16 |
#10 | Kanzawa Takahiro | 13 |
Publication | Filing date | Title |
---|---|---|
JP2020169410A | Spindle unit | |
JP2020125761A | Excitation operation brake | |
JP2020120439A | Brake force adjusting apparatus | |
WO2018194078A1 | Friction clutch | |
JP2019176608A | Braking force adjustment device | |
JP2019148292A | Electromagnetic coupling device | |
JP2019056388A | Control system of brake force adjustment device | |
JP2019049429A | Torque detector | |
JP2019037055A | Braking force adjustor | |
JP2019007439A | Air blowing device | |
JP2018182250A | Excitation device and non-excitation operative brake | |
JP2018119571A | Electromagnetic coupling device | |
JP2018084283A | Multiple disc type non-excitation operation brake | |
EP3141772A2 | Electromagnetic clutch | |
JP2017053486A | Electromagnetic clutch | |
JP2018025218A | Exciting device for electromagnetic coupling device | |
JP2017187127A | Electromagnetic brake | |
JP2017187103A | Seal structure of lead wire for electromagnet | |
EP3273097A1 | Power transmission device | |
JP2017078431A | Electromagnetic brake |