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

The Iridium top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Patent Filing In 5 Years Iridium 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.
Iridium is a chemical element with the symbol Ir and atomic number 77. A very hard, brittle, silvery-white transition metal of the platinum group, iridium is the second-densest metal (after osmium) with a density of 22.56 g/cm³ as defined by experimental X-ray crystallography. At room temperature and standard atmospheric pressure, iridium has a calculated density 0.04 g/cm³ higher than osmium measured the same way. It is the most corrosion-resistant metal, even at temperatures as high as 2000 °C. Although only certain molten salts and halogens are corrosive to solid iridium, finely divided iridium dust is much more reactive and can be flammable.
#
Company Name
Region
Tech Topics
Total
1
Semiconductor Energy Laboratory Co., Ltd.
Semiconductor,Transistor,Semiconductor device,
...[+2]
Patent: 61
2
Advanced Industrial Science & Technology
Graphene,Association (object-oriented programming)
Patent: 49
3
Mitsubishi Petrochemical Co. Ltd.
Petrochemical,Chemical engineering
Patent: 40
4
Tanaka Holdings Co. Ltd.
Precious metal,Mining engineering,Natural resource management,
...[+2]
Patent: 32
5
Sumitomo Chemical Co., Ltd.
Petrochemical,Agriculture,Pesticide,
...[+2]
Patent: 26
6
KIOXIA Corp.
Computer hardware,Solid-state,Flash memory,
...[+2]
Patent: 13
7
Canon, Inc.
Computer hardware,Software,Computer vision,
...[+2]
Patent: 13
8
FLOSFIA, Inc.
Chemical vapor deposition,Big data,Semiconductor,
...[+1]
Patent: 13
9
Furukawa Electric Co., Ltd.
Optical fiber,Renewable energy,Optoelectronics,
...[+2]
Patent: 12
10
Mitsubishi Power Ltd.
Turbine,Control system,Renewable energy,
...[+2]
Patent: 11
11
Daicel Corp.
Airbag,Chemical engineering,Cellulose acetate,
...[+2]
Patent: 9
12
Kyoto University
Gauss,Stem cell,Chemistry,
...[+2]
Patent: 8
13
Asahi Kasei Corp.
Chemical engineering,Petrochemical,Fertilizer,
...[+2]
Patent: 8
14
Dow Corning Toray Silicone Co. Ltd.
Industrial engineering
Patent: 7
15
Panasonic Intellectual Property Management Co. Ltd.
Patent: 7
16
Osaka University
Public university,Knowledge management,Chemistry,
...[+2]
Patent: 7
17
Mitsui Mining & Smelting Co., Ltd.
Precious metal,Metal,Cathode material,
...[+2]
Patent: 7
18
HOYA Corp.
Computer hardware,Software,Intraocular lens,
...[+2]
Patent: 6
19
De Nora Permelec Ltd.
Semiconductor
Patent: 6
20
Kobelco Research Institute, Inc.
Manufacturing services
Patent: 6
21
Mitsubishi Hitachi Power Systems
Control system
Patent: 5
22
Sumitomo Metal Mining Co., Ltd.
Nickel,Mining engineering,Natural resource management,
...[+2]
Patent: 5
23
Toshiba Chemical Corp.
Electronics,Chemical engineering
Patent: 5
24
Sekisui Chemical Co., Ltd.
Synthetic rubber,Industrial engineering,Polyvinyl chloride,
...[+2]
Patent: 5
25
Kyocera Corp.
Semiconductor,Electronics,Telecommunications,
...[+2]
Patent: 5
26
Showa Denko K.K.
Graphite,Materials science,Nanomaterials,
...[+2]
Patent: 5
27
TOTO Ltd.
Bathtub,Cistern,Sink (computing),
...[+2]
Patent: 5
28
Japan Science & Technology Agency
Technology policy,Information and Communications Technology,Nanotechnology
Patent: 5
29
Toyota Central R&D Labs, Inc.
Semiconductor,Power semiconductor device,System on a chip,
...[+2]
Patent: 5
30
Nitto Denko Corp.
Semiconductor,Product design,Adhesive,
...[+2]
Patent: 5
31
AGC
Fluorine,Glazing,Chemical engineering,
...[+2]
Patent: 4
32
Asahi Fiber Glass Co., Ltd.
Glass wool,Thermal insulation,Fiber,
...[+2]
Patent: 4
33
Nippon Telegraph & Telephone Corp.
Telecommunications,Cloud database,Data center,
...[+2]
Patent: 4
34
Chiyoda Technol Corp.
Companion diagnostic,Hospital bed,Biosensor,
...[+2]
Patent: 4
35
Furuya Metal Co., Ltd.
Semiconductor,Thin film,Membrane,
...[+2]
Patent: 3
36
Meltex, Inc.
Electronics,Metal,Chemical engineering
Patent: 3
37
Shin-Etsu Chemical Co., Ltd.
Silicone,Semiconductor,Chemical engineering,
...[+2]
Patent: 3
38
Osaka Gas Co., Ltd.
Natural gas,Activated carbon,Petroleum industry,
...[+2]
Patent: 3
39
Renesas Electronics Corp.
Semiconductor,Microcontroller,Electronics,
...[+2]
Patent: 2
40
TDK Corp.
Electronic component,Ceramic capacitor,Electronics,
...[+2]
Patent: 2
41
Eneos Corp.
Petroleum,Lubricant,Petroleum industry,
...[+2]
Patent: 2
42
Cataler Corp.
Cisco Catalyst,Automotive engineering
Patent: 2
43
Sakai Chemical Industry Co., Ltd.
Chemical engineering,Zinc,Titanium dioxide,
...[+2]
Patent: 2
44
NEC Corp.
Virtualization,Big data,Network security,
...[+2]
Patent: 2
45
JX Nippon Oil & Energy Marine Service Corp.
Lubricant,Grease,p-Xylene,
...[+2]
Patent: 2
46
Kanto Chemical Co., Inc.
Reagent,Chemical engineering,Electronics,
...[+2]
Patent: 2
47
Towa Pharmaceutical Co., Ltd.
Drug,Health care,Pharmacy,
...[+2]
Patent: 1
48
Kanazawa University
Medicine,Biology,Chemistry,
...[+2]
Patent: 1
49
Idemitsu Kosan Co., Ltd.
Petrochemical,Lubricant,Petroleum,
...[+2]
Patent: 1
50
Gunma University
Angiogenesis inhibitor,Lampalizumab,Medicine,
...[+2]
Patent: 1
Page generation time: Jun 15 2025