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Top 50 Key Players companies in Debugger
by Highest Patent Value in the Japan in 2021

The Debugger top 50 is Discovery PatSnap’ annual ranking of the top 50 Highest Patent Value Debugger Key Players 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 debugger or debugging tool is a computer program that is used to test and debug other programs (the "target" program). The code to be examined might alternatively be running on an instruction set simulator (ISS), a technique that allows great power in its ability to halt when specific conditions are encountered, but which will typically be somewhat slower than executing the code directly on the appropriate (or the same) processor. Some debuggers offer two modes of operation, full or partial simulation, to limit this impact.
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Company Name
Region
Tech Topics
Total
1
JANOME Corp.
Robot,Manufacturing engineering,Robotics,
...[+2]
Avg patent value: 1.13 M
2
Renesas Electronics Corp.
Semiconductor,Microcontroller,Electronics,
...[+2]
Avg patent value: 746,666
3
Panasonic Holdings Corp.
Semiconductor,Industrial engineering,Electronics,
...[+2]
Avg patent value: 600,000
4
Matsushita Electronics Corp.
Electronics,Computer hardware,DVD player,
...[+2]
Avg patent value: 600,000
5
Mitsubishi Electric Engineering Co., Ltd.
Avg patent value: 540,000
6
SANYO Electric Co., Ltd.
Semiconductor,Computer hardware,Software,
...[+2]
Avg patent value: 490,000
7
Ricoh Co., Ltd.
Digital media,Data visualization,Thermal paper,
...[+2]
Avg patent value: 380,000
8
Fujitsu Ltd.
Cloud computing,Enterprise software,Information technology management,
...[+2]
Avg patent value: 273,000
9
Hitachi Ltd.
Elevator,Electrical equipment,Electric motor,
...[+2]
Avg patent value: 100,000
10
Trend Micro, Inc.
Software,Threat intelligence,Cloud computing security,
...[+2]
Avg patent value: 91,000
11
NEC Corp.
Virtualization,Big data,Network security,
...[+2]
Avg patent value: 84,000
12
Advantest Corp.
Semiconductor,Mechanical engineering,Product design,
...[+2]
Avg patent value: 63,366
13
Unisis Corp.
Medical equipment,Medicine,Biopsy
Avg patent value: 61,000
14
NEC Platforms Ltd.
Automation,Mechanical engineering,Manufacturing engineering,
...[+1]
Avg patent value: 56,000
15
KDDI Corp.
Telecommunications,Mobile device,5G,
...[+2]
Avg patent value: 54,000
16
OMRON Corp.
Automation,Electronics,Health care,
...[+2]
Avg patent value: 53,000
17
Mita Industrial Co., Ltd.
Computer hardware,Electronics,Monochrome
Avg patent value: 40,000
18
Tokyo Keiki Co., Ltd.
Facilitation
Avg patent value: 35,000
19
Espec Corp.
Climate system,Computer hardware,Electronics,
...[+2]
Avg patent value: 26,000
20
ROHM Co., Ltd.
Semiconductor,Electronic component,Power module,
...[+2]
Avg patent value: 17,000
21
Canon, Inc.
Computer hardware,Software,Computer vision,
...[+2]
Avg patent value: 3,600
22
TOSHIBA Corp.
Semiconductor,Computer hardware,Electronics,
...[+2]
Avg patent value: 0
23
Sony Group Corp.
Computer hardware,Software,Music,
...[+2]
Avg patent value: 0
24
Honda Motor Co., Ltd.
Automotive engineering,Manufacturing engineering,Sport utility vehicle,
...[+2]
Avg patent value: 0
25
Kyocera Corp.
Semiconductor,Electronics,Telecommunications,
...[+2]
Avg patent value: 0
26
Nippon Telegraph & Telephone Corp.
Telecommunications,Cloud database,Data center,
...[+2]
Avg patent value: 0
27
Seiko Epson Corp.
Wearable technology,Projector,Electronics,
...[+2]
Avg patent value: 0
28
Sumitomo Heavy Industries, Ltd.
Sewage treatment,Proton therapy,Cryocooler,
...[+2]
Avg patent value: 0
29
Citizen Watch Co., Ltd.
Quartz,Semiconductor,Electronics,
...[+2]
Avg patent value: 0
30
Oki Electric Industry Co., Ltd.
Telecommunications,Call centre,Software,
...[+2]
Avg patent value: 0
31
Shimadzu Corp.
Molecular diagnostics,Microbiology Test,Cockpit display system,
...[+2]
Avg patent value: 0
32
Yokogawa Electric Corp.
Automation,Systems design,Programmable logic controller,
...[+2]
Avg patent value: 0
33
YASKAWA Electric Corp.
Robotics,Automation,Electrical equipment,
...[+2]
Avg patent value: 0
34
Casio Computer Co., Ltd.
Projector,Electronics,Digital camera,
...[+2]
Avg patent value: 0
35
Alps Alpine Co., Ltd.
Electronic component,Electronics,Power transmission,
...[+2]
Avg patent value: 0
36
FANUC Corp.
Robotics,Robot,Automation,
...[+2]
Avg patent value: 0
37
Meidensha Corp.
Electrical equipment,Social infrastructure,Electronics,
...[+2]
Avg patent value: 0
38
IBIDEN Co., Ltd.
Electronics,Semiconductor,Asphalt,
...[+2]
Avg patent value: 0
39
Nippon Chemi-Con Corp.
Capacitor,Electronic component,Sales management,
...[+2]
Avg patent value: 0
40
Furuno Electric Co., Ltd.
Global Positioning System,Telecommunications,Navigation system,
...[+2]
Avg patent value: 0
41
Fujitsu General Ltd.
Air conditioning,Automation,Mechanical engineering,
...[+2]
Avg patent value: 0
42
Toshiba Tec Corp.
Computer hardware,Peripheral,Electronics,
...[+2]
Avg patent value: 0
43
Victor Company of Japan Ltd.
Electronics,Software,High-definition television,
...[+2]
Avg patent value: 0
44
Funai Electric Co., Ltd.
Electronics,Computer hardware,Blu-ray disc,
...[+2]
Avg patent value: 0
45
Pentel Co., Ltd.
Industrial robot,School supplies,Pencil (mathematics)
Avg patent value: 0
46
Sony Computer Entertainment, Inc.
Software,Game console,Computer hardware
Avg patent value: 0
47
Fuji Electronics Co., Ltd.
Semiconductor,Microcomputer,Electronic component,
...[+2]
Avg patent value: 0
48
Digital Electronics Corp.
Digital electronics,Computer hardware,Control equipment,
...[+1]
Avg patent value: 0
49
NEC Soft Ltd.
Information technology consulting,Systems design,Software development
Avg patent value: 0
50
Hitachi Software Engineering Co., Ltd.
Software,Information technology consulting,Data processing,
...[+2]
Avg patent value: 0
Page generation time: Jun 26 2025