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Top 50 Key Players companies in Bladder cancer
by Most Patent Citation in the Japan in 2021

The Bladder cancer top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Patent Citation Bladder cancer 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.
#
Company Name
Region
Tech Topics
Total
1
OncoTherapy Science, Inc.
Medicine,Antibody,Drug development,
...[+2]
patent citation: 702
2
Forerunner Pharma Research Co., Ltd.
patent citation: 233
3
Chugai Pharmaceutical Co., Ltd.
Drug,Clinical trial,Health care,
...[+2]
patent citation: 168
4
Gridmark Ltd.
Digital content,Software
patent citation: 111
5
Toray Industries, Inc.
Fiber,Textile,Textile (markup language),
...[+2]
patent citation: 89
6
Astellas Pharma, Inc.
Health care,Clinical trial,Diabetic complication,
...[+2]
patent citation: 57
7
Shionogi & Co., Ltd.
Health care,Antihypercholesterolemic agent,Drug,
...[+2]
patent citation: 29
8
Nippon Shinyaku Co., Ltd.
Medicine,Health care,Functional food,
...[+2]
patent citation: 29
9
Kotobuki Pharmaceutical Co. Ltd.
Medicine,Health care,Pharmacy and Therapeutics,
...[+2]
patent citation: 28
10
SBI Pharmaceuticals Co., Ltd.
Medical equipment,Cosmetics,Web development,
...[+2]
patent citation: 22
11
Eisai Co., Ltd.
Health care,Over-the-counter,Clinical trial,
...[+2]
patent citation: 17
12
Morinaga & Co., Ltd.
Chewing gum,Food industry,Snack foods,
...[+2]
patent citation: 15
13
Medical & Biological Laboratories Co., Ltd.
Reagent,Medicine,Cloud computing security,
...[+2]
patent citation: 15
14
Otsuka Pharmaceutical Factory, Inc.
Parenteral nutrition,Human nutrition,Drug,
...[+2]
patent citation: 14
15
Nagase ChemteX Corp.
Functional polymers,Solid-state battery,Epoxy,
...[+2]
patent citation: 11
16
Teijin Ltd.
Synthetic rubber,Chemical engineering,Polycarbonate,
...[+2]
patent citation: 10
17
Kureha Corp.
Chemical engineering,Polyvinylidene fluoride,Wallpaper,
...[+2]
patent citation: 10
18
Hamamatsu Photonics KK
Semiconductor,Photonics,Laser,
...[+2]
patent citation: 10
19
Sumitomo Pharma Co., Ltd.
Medicine,Health care,Clinical trial,
...[+2]
patent citation: 10
20
Otsuka Pharmaceutical Co., Ltd.
Nutraceutical,Health care,Cosmetics,
...[+2]
patent citation: 10
21
Sumitomo Pharmaceuticals Co., Ltd.
Botanical drug,Herb
patent citation: 10
22
Asahi Kasei Corp.
Chemical engineering,Petrochemical,Fertilizer,
...[+2]
patent citation: 6
23
Takeda Pharmaceutical Co., Ltd.
Medicine,Health care,Clinical trial,
...[+2]
patent citation: 6
24
Idemitsu Kosan Co., Ltd.
Petrochemical,Lubricant,Petroleum,
...[+2]
patent citation: 6
25
Perseus Proteomics, Inc.
Medical equipment,Health care,Proteomics,
...[+2]
patent citation: 6
26
Takeda Chemical Industries Ltd.
Pharmaceutical drug,Botanical drug,Herb
patent citation: 6
27
Hayashibara Biochemical Laboratories, Inc.
Reagent,Medicine,Liposome,
...[+2]
patent citation: 6
28
Tsumura & Co.
Raw material,Pharmacy,Clinical trial,
...[+2]
patent citation: 5
29
Green Cross Co., Ltd.
Oil well,DNA vaccination,Oncology drugs,
...[+2]
patent citation: 5
30
Kanebo Ltd.
Textile,Cosmetics,Food products,
...[+2]
patent citation: 5
31
RNAi Co., Ltd.
Functional analysis
patent citation: 5
32
Saitama Medical University
patent citation: 5
33
Immuno-Biological Laboratories Co., Ltd.
Reagent,Medicine,Health care,
...[+2]
patent citation: 3
34
National University Corp. Tokyo Medical & Dental University
patent citation: 3
35
Eisai R&D Management Co., Ltd.
Biotechnology,Agriculture,Fishery,
...[+2]
patent citation: 3
36
Ajinomoto Co., Inc.
Seasoning,Amino acid,Food processing,
...[+2]
patent citation: 1
37
Nippon Kayaku Co., Ltd.
Biosimilar,Chemical engineering,Industrial engineering,
...[+2]
patent citation: 1
38
Ono Pharmaceutical Co., Ltd.
Diagnostic Reagent,Medicine,Health care,
...[+2]
patent citation: 1
39
Meiji Co., Ltd.
Food industry,Snack foods,Hard candy,
...[+2]
patent citation: 1
40
Sumitomo Electric Industries Ltd.
Electronics,Optical fiber,Optical fiber cable,
...[+2]
patent citation: 0
41
Konica Minolta, Inc.
Medical imaging,Attractiveness,Product group,
...[+2]
patent citation: 0
42
Olympus Corp.
Microscope,Endoscopy,Software,
...[+2]
patent citation: 0
43
Japan Tobacco, Inc.
Nicotiana tabacum,Cigarillo,Food sector,
...[+2]
patent citation: 0
44
TOTO Ltd.
Bathtub,Cistern,Sink (computing),
...[+2]
patent citation: 0
45
Kewpie Corp.
Food industry,Pickling,Snack foods,
...[+2]
patent citation: 0
46
Mochida Pharmaceutical Co., Ltd.
Biosimilar,Medicine,Health care,
...[+2]
patent citation: 0
47
Hokko Chemical Industry Co., Ltd.
Kasugamycin,Crop,Agriculture,
...[+2]
patent citation: 0
48
Sawai Pharmaceutical Co., Ltd.
Drug,Generic drug,Over-the-counter,
...[+2]
patent citation: 0
49
Sumitomo Electric
Optical fiber,Electronics,Optical fiber cable
patent citation: 0
50
J-Pharma Co., Ltd.
Medicine,Drug,Hyperuricemia,
...[+2]
patent citation: 0
Page generation time: Jun 27 2025