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Top 100 Key Players companies in Polypropylene glycol
by Most Patent Filings in the Japan in 2019

The Polypropylene glycol top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Filings Polypropylene glycol Key Players in the Japan. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2019, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
Polypropylene glycol or polypropylene oxide is the polymer of propylene glycol. Chemically it is a polyether, and, more generally speaking, it's a polyalkylene glycol (PAG). The term polypropylene glycol or PPG is reserved for low to medium range molar mass polymer when the nature of the end-group, which is usually a hydroxyl group, still matters. The term "oxide" is used for high molar mass polymer when end-groups no longer affect polymer properties. In 2003, 60% of the annual production of propylene oxide of 6.6×10⁶ tonnes was converted into the polymer.
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Company Name
Region
Tech Topics
Total
1
Kao Corp.
Cosmetics,Health care,Hair conditioner,
...[+2]
Patent: 174
2
Sumitomo Chemical Co., Ltd.
Petrochemical,Agriculture,Pesticide,
...[+2]
Patent: 49
3
Shiseido Co., Ltd.
Cosmetics,Elixir,Personal Care Product,
...[+2]
Patent: 48
4
Toray Industries, Inc.
Fiber,Textile,Textile (markup language),
...[+2]
Patent: 45
5
JSR Corp.
Synthetic rubber,Natural rubber,Elastomer,
...[+2]
Patent: 43
6
Ricoh Co., Ltd.
Digital media,Data visualization,Thermal paper,
...[+2]
Patent: 36
7
Panasonic Holdings Corp.
Semiconductor,Industrial engineering,Electronics,
...[+2]
Patent: 34
8
Matsushita Electronics Corp.
Electronics,Computer hardware,DVD player,
...[+2]
Patent: 34
9
DIC Corp.
Pigment,Chemical engineering,Synthetic resin,
...[+2]
Patent: 31
10
Mitsui Chemicals, Inc.
Petrochemical,Chemical engineering,Polypropylene,
...[+2]
Patent: 31
11
DIC Corporation
Pigment,Polymer,Epoxy,
...[+2]
Patent: 31
12
Asahi Kasei Corp.
Chemical engineering,Petrochemical,Fertilizer,
...[+2]
Patent: 27
13
Lion Corp.
Toothpaste,Fast-moving consumer goods,Laundry,
...[+2]
Patent: 25
14
Nitto Denko Corp.
Semiconductor,Product design,Adhesive,
...[+2]
Patent: 23
15
Sanyo Chemical Industries, Ltd.
Chemical engineering,Polyurethane,Superabsorbent polymer,
...[+2]
Patent: 23
16
Showa Denko Materials Co., Ltd.
Semiconductor,Carbon product,Efficient energy use,
...[+2]
Patent: 23
17
Shin-Etsu Chemical Co., Ltd.
Silicone,Semiconductor,Chemical engineering,
...[+2]
Patent: 20
18
Toyo Ink SC Holdings Co., Ltd.
Pigment,Manufacturing engineering,Coating,
...[+2]
Patent: 20
19
DKS Co., Ltd.
Chemical engineering,Coating,Industrial engineering,
...[+2]
Patent: 19
20
Evonik Degussa Japan Co., Ltd.
Patent: 19
21
Sekisui Chemical Co., Ltd.
Synthetic rubber,Industrial engineering,Polyvinyl chloride,
...[+2]
Patent: 18
22
Kaneka Corp.
Synthetic rubber,Chemical engineering,Polyvinyl chloride,
...[+2]
Patent: 17
23
Sumitomo Riko Co., Ltd.
Electronics,Plastics engineering,Belting,
...[+2]
Patent: 17
24
Toyobo Co., Ltd.
Chemical engineering,Synthetic rubber,Membrane,
...[+2]
Patent: 17
25
Canon, Inc.
Computer hardware,Software,Computer vision,
...[+2]
Patent: 16
26
Nippon Kayaku Co., Ltd.
Biosimilar,Chemical engineering,Industrial engineering,
...[+2]
Patent: 14
27
NOF Corp.
Organic peroxide,Chemical engineering,Fatty acid,
...[+2]
Patent: 14
28
UNIMATEC Co., Ltd.
Synthetic rubber,Chemical engineering,Release agent,
...[+1]
Patent: 14
29
Kanebo Ltd.
Textile,Cosmetics,Food products,
...[+2]
Patent: 13
30
Pilot Ink Co., Ltd.
Patent: 13
31
Kansai Paint Co., Ltd.
Coating,Chemical engineering,Color scheme,
...[+2]
Patent: 12
32
The Yokohama Rubber Co., Ltd.
Automotive engineering,Radial tire,Tire manufacturing,
...[+2]
Patent: 11
33
Mitsubishi Gas Chemical Co., Inc.
Petroleum industry,Petrochemical,Engineering plastic,
...[+2]
Patent: 11
34
Achilles Corp.
Shock absorber,Plastics engineering,Industrial engineering,
...[+2]
Patent: 11
35
Mitsubishi Pencil Co., Ltd.
Pencil (mathematics),Peripheral,School supplies,
...[+2]
Patent: 11
36
TOKYO OHKA KOGYO CO., LTD.
Photoresist,Semiconductor,Petrochemical,
...[+2]
Patent: 11
37
UBE Corp.
Synthetic rubber,Chemical engineering,Coal mining,
...[+2]
Patent: 10
38
Dai Nippon Toryo Co., Ltd.
Coating,Fluorescent materials,Varnish,
...[+2]
Patent: 10
39
FUJIFILM Corp.
Photography,Medical imaging,Computer hardware,
...[+2]
Patent: 10
40
Ichikawa Co., Ltd.
Papermaking,Paper mill,Paper machine
Patent: 10
41
Mitsubishi Kogyo KK
Patent: 10
42
Bridgestone Corp.
Automotive engineering,sports equipment,Natural rubber,
...[+2]
Patent: 9
43
Teijin Ltd.
Synthetic rubber,Chemical engineering,Polycarbonate,
...[+2]
Patent: 9
44
Showa Denko K.K.
Graphite,Materials science,Nanomaterials,
...[+2]
Patent: 9
45
Fujibo Holdings, Inc.
Textile,Textile (markup language),Polishing,
...[+1]
Patent: 9
46
Nihon Nohyaku Co., Ltd.
Agrochemical,Pesticide,Chemical engineering,
...[+2]
Patent: 9
47
Nihon Bayer Agrochem KK
Crop,Pesticide,Agriculture,
...[+1]
Patent: 9
48
DAIKIN INDUSTRIES Ltd.
Air conditioning,Refrigeration,Mechanical engineering,
...[+2]
Patent: 8
49
Mitsubishi Materials Corp.
Cement,Alloy,Polycrystalline silicon,
...[+2]
Patent: 8
50
Kuraray Co., Ltd.
Synthetic rubber,Isoprene,Vinyl acetate,
...[+2]
Patent: 8
51
Toagosei Co., Ltd.
Adhesive,Chemical engineering,Polymer,
...[+2]
Patent: 8
52
Aica Kogyo Co., Ltd.
Adhesive,Synthetic rubber,Chemical engineering,
...[+2]
Patent: 8
53
Nippon Paint Holdings Co., Ltd.
Coating,Fine chemical,Varnish,
...[+2]
Patent: 8
54
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
Pigment,Chemical engineering,Polymer,
...[+2]
Patent: 8
55
Pilot Corp.
Pencil (mathematics),Precious metal,Peripheral,
...[+1]
Patent: 8
56
Chisso Corp.
Petrochemical,Liquid crystal,Chemical engineering,
...[+2]
Patent: 8
57
Polyplastics Co., Ltd.
Engineering plastic,Plastics engineering,Polymer,
...[+2]
Patent: 8
58
Daikin Airconditioning France SAS
Industrial engineering,Fluorochemical industry,Air conditioning,
...[+1]
Patent: 8
59
PMC KK
Web design
Patent: 8
60
Mitsubishi Materials Techno Corp.
Patent: 8
61
Toyota Motor Corp.
Sport utility vehicle,Mobile device,Public transport,
...[+2]
Patent: 7
62
NEC Corp.
Virtualization,Big data,Network security,
...[+2]
Patent: 7
63
Kyocera Corp.
Semiconductor,Electronics,Telecommunications,
...[+2]
Patent: 7
64
Tosoh Corp.
Petrochemical,Chemical engineering,Immunoprotein,
...[+2]
Patent: 7
65
Brother Industries, Ltd.
Computer hardware,Electronics,Digital printing,
...[+2]
Patent: 7
66
Toyo Tire Corp.
Automotive engineering,Radial tire,Rubber material,
...[+2]
Patent: 7
67
Nissan Chemical Corp.
Pesticide,Meiji period,Fertilizer,
...[+2]
Patent: 7
68
AGC
Fluorine,Glazing,Chemical engineering,
...[+2]
Patent: 7
69
Pentel Co., Ltd.
Industrial robot,School supplies,Pencil (mathematics)
Patent: 7
70
Asahi Fiber Glass Co., Ltd.
Glass wool,Thermal insulation,Fiber,
...[+2]
Patent: 7
71
Pola Pharma, Inc.
Clinical trial,Medicine,Cosmetics,
...[+2]
Patent: 7
72
Honda Motor Co., Ltd.
Automotive engineering,Manufacturing engineering,Sport utility vehicle,
...[+2]
Patent: 6
73
Terumo Corp.
Health care,Blood management,Syringe,
...[+2]
Patent: 6
74
Osaka Gas Co., Ltd.
Natural gas,Activated carbon,Petroleum industry,
...[+2]
Patent: 6
75
Tokuyama Corp.
Cement,Chemical engineering,Fumed silica,
...[+2]
Patent: 6
76
Nippon Soda Co., Ltd.
Pesticide,Fungicide,Chemical engineering,
...[+2]
Patent: 6
77
Nippon Shokubai Co., Ltd.
Polymer,Acrylic acid,Chemical engineering,
...[+2]
Patent: 6
78
Nippon Mektron Ltd.
Electronic component,Computer hardware,Printed electronics,
...[+2]
Patent: 6
79
GOO Chemical Co., Ltd.
Papermaking,Chemical engineering,Mill,
...[+1]
Patent: 6
80
Kawasaki Kasei Chemicals Ltd.
Succinic acid,Organic acid,Chemical engineering,
...[+2]
Patent: 6
81
Neos Co. Ltd.
Property insurance,SOAP,Smart device,
...[+2]
Patent: 6
82
NIPPON STEEL Stainless Steel Corp.
Mill,Metal,Mining engineering,
...[+1]
Patent: 6
83
UKIMA Chemicals & Color Manufacturing Co., Ltd.
Polyurethane,Industrial engineering,Polymer
Patent: 6
84
Sumitomo Electric Industries Ltd.
Electronics,Optical fiber,Optical fiber cable,
...[+2]
Patent: 5
85
Toyoda Gosei Co., Ltd.
Optoelectronics,Airbag,Synthetic rubber,
...[+2]
Patent: 5
86
Daicel Corp.
Airbag,Chemical engineering,Cellulose acetate,
...[+2]
Patent: 5
87
Sumitomo Bakelite Co., Ltd.
Semiconductor,Materials science,Bakelite,
...[+2]
Patent: 5
88
KOSÉ Corp.
Cosmetics,Fast-moving consumer goods,Added value,
...[+2]
Patent: 5
89
The Nisshin OilliO Group, Ltd.
Petroleum industry,Food industry,Starch,
...[+2]
Patent: 5
90
INOAC Corp.
Polystyrene,Industrial engineering,Prosthesis,
...[+2]
Patent: 5
91
Sumitomo Electric
Optical fiber,Electronics,Optical fiber cable
Patent: 5
92
Pola Chemical Industries, Inc.
Chemical industry,Shopping mall,Cosmetics
Patent: 5
93
TOSHIBA Corp.
Semiconductor,Computer hardware,Electronics,
...[+2]
Patent: 4
94
Nissan Motor Co., Ltd.
Truck,Public transport,Automotive engineering,
...[+2]
Patent: 4
95
Nippon Telegraph & Telephone Corp.
Telecommunications,Cloud database,Data center,
...[+2]
Patent: 4
96
Konica Minolta, Inc.
Medical imaging,Attractiveness,Product group,
...[+2]
Patent: 4
97
Ajinomoto Co., Inc.
Seasoning,Amino acid,Food processing,
...[+2]
Patent: 4
98
Dai Nippon Printing Co., Ltd.
Electronics,Publishing,Publication,
...[+2]
Patent: 4
99
Oji Holdings Corp.
Containerboard,Paperboard,Thermal paper,
...[+2]
Patent: 4
100
Takeda Pharmaceutical Co., Ltd.
Medicine,Health care,Clinical trial,
...[+2]
Patent: 4
Page generation time: Jun 25 2025