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Top 50 Key Players companies in Catalytic converter
by Highest Patent Value in the Japan in 2020

The Catalytic converter top 50 is Discovery PatSnap’ annual ranking of the top 50 Highest Patent Value Catalytic converter Key Players in the Japan. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2020, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
A catalytic converter is an exhaust emission control device that reduces toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox reaction (an oxidation and a reduction reaction). Catalytic converters are usually used with internal combustion engines fueled by either gasoline or diesel—including lean-burn engines as well as kerosene heaters and stoves.
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Company Name
Region
Tech Topics
Total
1
Avg patent value: 2.10 M
2
Avg patent value: 1.81 M
3
Avg patent value: 1.36 M
4
Avg patent value: 1.30 M
5
Avg patent value: 1.29 M
6
Avg patent value: 1.24 M
7
Avg patent value: 1.15 M
8
Avg patent value: 1.06 M
9
Avg patent value: 1.00 M
10
Avg patent value: 1.00 M
11
Avg patent value: 998,612
12
Avg patent value: 950,000
13
Avg patent value: 890,000
14
Avg patent value: 890,000
15
Avg patent value: 797,518
16
Avg patent value: 791,106
17
Avg patent value: 759,000
18
Avg patent value: 559,400
19
Avg patent value: 550,000
20
Avg patent value: 505,552
21
Avg patent value: 505,429
22
Avg patent value: 497,444
23
Cisco Catalyst,Chemical engineering,Gasoline,
...[+1]
Avg patent value: 490,000
24
Avg patent value: 448,833
25
Avg patent value: 304,333
26
Avg patent value: 270,000
27
Avg patent value: 263,866
28
Avg patent value: 225,387
29
Avg patent value: 210,000
30
Avg patent value: 196,600
31
Avg patent value: 191,555
32
Avg patent value: 174,333
33
Avg patent value: 100,000
34
Avg patent value: 100,000
35
Avg patent value: 99,580
36
Avg patent value: 91,750
37
Avg patent value: 74,000
38
Avg patent value: 74,000
39
Avg patent value: 56,000
40
Avg patent value: 56,000
41
Avg patent value: 55,000
42
Avg patent value: 54,333
43
Avg patent value: 52,428
44
Avg patent value: 50,000
45
Avg patent value: 43,000
46
Avg patent value: 41,000
47
Avg patent value: 40,000
48
Avg patent value: 40,000
49
Avg patent value: 38,000
50
Avg patent value: 34,000
Page generation time: Aug 11 2025