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Top 50 Fast-growings companies in Cam
by Most Patent Filing In 5 Years in the Japan in 2021

The Cam top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Patent Filing In 5 Years Cam Fast-growings in the Japan. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2021, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
A cam is a rotating or sliding piece in a mechanical linkage used especially in transforming rotary motion into linear motion. It is often a part of a rotating wheel (e.g. an eccentric wheel) or shaft (e.g. a cylinder with an irregular shape) that strikes a lever at one or more points on its circular path. The cam can be a simple tooth, as is used to deliver pulses of power to a steam hammer, for example, or an eccentric disc or other shape that produces a smooth reciprocating (back and forth) motion in the follower, which is a lever making contact with the cam.
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Company Name
Region
Tech Topics
Total
1
Toyota Motor Corp.
Sport utility vehicle,Mobile device,Public transport,
...[+2]
Patent: 246
2
Canon, Inc.
Computer hardware,Software,Computer vision,
...[+2]
Patent: 246
3
Honda Motor Co., Ltd.
Automotive engineering,Manufacturing engineering,Sport utility vehicle,
...[+2]
Patent: 238
4
Brother Industries, Ltd.
Computer hardware,Electronics,Digital printing,
...[+2]
Patent: 174
5
FCC KK
Synthetic resin,Synthetic rubber
Patent: 99
6
Sumitomo Wiring Systems Ltd.
High voltage,Electronics,Power steering,
...[+2]
Patent: 73
7
Nihon Denso KK
Manufacturing engineering,Mechanical engineering
Patent: 72
8
NSK Ltd.
Ball bearing,Automatic transmission,Bearing (navigation),
...[+2]
Patent: 71
9
Seiko Epson Corp.
Wearable technology,Projector,Electronics,
...[+2]
Patent: 71
10
EXEDY Corp.
Automatic transmission,Manual transmission,Torque converter,
...[+2]
Patent: 66
11
Yazaki Corp.
Electronic component,Automotive engineering,Cable harness,
...[+2]
Patent: 61
12
Otics Corp.
Tappet,Automotive engineering,Balance shaft,
...[+1]
Patent: 60
13
JTEKT Corp.
Power steering,Automotive engineering,Steering system,
...[+2]
Patent: 60
14
Suzuki Co., Ltd.
Semiconductor,Electronics,Electronic component,
...[+2]
Patent: 58
15
Panasonic Intellectual Property Management Co. Ltd.
Patent: 57
16
Yamaha Motor Co., Ltd.
Robotics,Industrial robot,Automotive engineering,
...[+2]
Patent: 51
17
KYB Corp.
Shock absorber,Automotive engineering,Aerospace,
...[+2]
Patent: 51
18
TOKAI RIKA CO., LTD.
Seat belt,Automotive engineering,Push start,
...[+2]
Patent: 49
19
Hitachi Astemo Ltd.
Public transport,Automotive engineering
Patent: 49
20
Toyota Boshoku Corp.
Textile,Automotive engineering,Interior product,
...[+2]
Patent: 48
21
NTN Toyo Bearing Co., Ltd.
Ball bearing
Patent: 46
22
Kubota Corp.
Tractor,Manufacturing engineering,Combine harvester,
...[+2]
Patent: 43
23
Daihatsu Motor Co., Ltd.
Automotive engineering,Proton exchange membrane fuel cell,Electric bus,
...[+2]
Patent: 42
24
Isuzu Motors Ltd.
Truck,Public transport,Diesel engine,
...[+2]
Patent: 42
25
Makita Corp.
Computer hardware,Information technology management,Metalworking,
...[+2]
Patent: 41
26
Mitsubishi Electric Engineering Co., Ltd.
Patent: 41
27
Alps Alpine Co., Ltd.
Electronic component,Electronics,Power transmission,
...[+2]
Patent: 41
28
Makita
Industrial engineering
Patent: 41
29
Aisin Corp.
Brake,Automotive engineering,Navigation system,
...[+2]
Patent: 40
30
NIDEC Corp.
Electric motor,Electronics,Electronic component,
...[+2]
Patent: 36
31
Mazda Motor Corp.
Automotive engineering,Reciprocating engine,Manual transmission,
...[+2]
Patent: 36
32
Nikon Corp.
Microscope,Photography,Motion capture,
...[+2]
Patent: 34
33
Mita Industrial Co., Ltd.
Computer hardware,Electronics,Monochrome
Patent: 34
34
Enplas Corp.
Semiconductor,Integrated circuit,Optics,
...[+2]
Patent: 33
35
Nissan Motor Co., Ltd.
Truck,Public transport,Automotive engineering,
...[+2]
Patent: 33
36
DENSO Corp.
Automotive engineering,Industrial robot,Programmable logic controller,
...[+2]
Patent: 33
37
Ricoh Co., Ltd.
Digital media,Data visualization,Thermal paper,
...[+2]
Patent: 32
38
JATCO Ltd.
Continuously variable transmission,Automotive engineering,Public transport,
...[+2]
Patent: 31
39
Nidec-Shimpo Corp.
Automation,Power transmission,Stroboscope,
...[+2]
Patent: 30
40
Sharp Corp.
Computer hardware,Electronics,Telecommunications,
...[+2]
Patent: 28
41
Sugatsune Kogyo Co., Ltd.
Metal,Computer hardware,Information technology management
Patent: 25
42
Sankyo Seisakusho Co.
Solenoid valve,Automation,Manufacturing engineering,
...[+2]
Patent: 25
43
Olympus Medical Systems Corp.
Endoscope,Medical equipment,Medicine,
...[+2]
Patent: 24
44
OMRON Corp.
Automation,Electronics,Health care,
...[+2]
Patent: 24
45
Rinnai Corp.
Solar water heating,Electronics,Thermal energy,
...[+2]
Patent: 24
46
FUJIFILM Corp.
Photography,Medical imaging,Computer hardware,
...[+2]
Patent: 24
47
Kawasaki Heavy Industries Ltd.
Turbine,Mechanical engineering,Manufacturing engineering,
...[+2]
Patent: 24
48
Matsuura Machinery Corp.
3D printing,Automation,Manufacturing engineering,
...[+2]
Patent: 23
49
Nittoh Kogaku KK
Electronics
Patent: 23
50
Shimano, Inc.
Fishing,sports equipment,Fast-moving consumer goods,
...[+2]
Patent: 22
Page generation time: Jun 26 2025