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Top 100 Key Players companies in Gas heater
by Most Patent Filings in the Japan in 2020

The Gas heater top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Filings Gas heater 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 gas heater is a space heater used to heat a room or outdoor area by burning natural gas, liquefied petroleum gas, propane or butane. Indoor household gas heaters can be broadly categorized in one of two ways: flued or non-flued, or vented and unvented.
#
Company Name
Region
Tech Topics
Total
1
Patent: 105
2
Patent: 71
3
Patent: 71
4
Patent: 61
5
Patent: 60
6
Patent: 57
7
Patent: 30
8
Patent: 27
9
Patent: 19
10
Patent: 19
11
Patent: 19
12
Patent: 14
13
Patent: 13
14
Patent: 13
15
Patent: 11
16
Patent: 10
17
Patent: 10
18
Patent: 9
19
Patent: 9
20
Patent: 8
21
Patent: 8
22
Patent: 7
23
Patent: 6
24
Patent: 6
25
Patent: 6
26
Patent: 5
27
Patent: 5
28
Patent: 5
29
Patent: 5
30
Patent: 4
31
Patent: 4
32
Patent: 4
33
Patent: 4
34
Patent: 4
35
Patent: 4
36
Patent: 4
37
Patent: 4
38
Patent: 4
39
Patent: 4
40
Patent: 4
41
TaiSei-Shell Co., Ltd.
Patent: 4
42
Patent: 4
43
Patent: 3
44
Patent: 3
45
Patent: 3
46
Patent: 3
47
Patent: 3
48
Patent: 3
49
Patent: 3
50
Patent: 3
51
Patent: 3
52
Patent: 3
53
Patent: 3
54
Patent: 3
55
Patent: 3
56
Patent: 3
57
Patent: 2
58
Patent: 2
59
Patent: 2
60
Patent: 2
61
Patent: 2
62
Patent: 2
63
Patent: 2
64
Bathtub,Cistern,Sink (computing),
...[+2]
Patent: 2
65
Patent: 2
66
Patent: 2
67
Patent: 2
68
Patent: 2
69
Patent: 2
70
Patent: 2
71
Patent: 2
72
Industrial engineering,Fluorochemical industry,Air conditioning,
...[+1]
Patent: 2
73
Patent: 2
74
Patent: 2
75
Patent: 2
76
Patent: 2
77
Patent: 2
78
Patent: 2
79
Patent: 2
80
Patent: 2
81
Patent: 1
82
Patent: 1
83
Patent: 1
84
Patent: 1
85
Microscope,Photography,Motion capture,
...[+2]
Patent: 1
86
Patent: 1
87
Patent: 1
88
Patent: 1
89
Patent: 1
90
Patent: 1
91
Patent: 1
92
Patent: 1
93
Patent: 1
94
Patent: 1
95
Patent: 1
96
Patent: 1
97
Patent: 1
98
Patent: 1
99
Swingmail
Patent: 1
100
Patent: 1
Page generation time: Jun 20 2025