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Top 20 Key Players companies in Prostate cancer
by Most Patent Filings in the Japan in 2021

The Prostate cancer top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Filings Prostate 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.
A cancer of the prostate gland, a part of the male reproductive system.
#
Company Name
Region
Tech Topics
Total
1
OncoTherapy Science, Inc.
Medicine,Antibody,Drug development,
...[+2]
Patent: 191
2
Takeda Pharmaceutical Co., Ltd.
Medicine,Health care,Clinical trial,
...[+2]
Patent: 160
3
Takeda Chemical Industries Ltd.
Pharmaceutical drug,Botanical drug,Herb
Patent: 160
4
Astellas Pharma, Inc.
Health care,Clinical trial,Diabetic complication,
...[+2]
Patent: 135
5
Orion Co., Ltd.
Computer graphics,Software as a service,Enterprise software,
...[+2]
Patent: 119
6
Chugai Pharmaceutical Co., Ltd.
Drug,Clinical trial,Health care,
...[+2]
Patent: 33
7
Otsuka Pharmaceutical Co., Ltd.
Nutraceutical,Health care,Cosmetics,
...[+2]
Patent: 31
8
Sankyo Co., Ltd.
Ball bearing,Manufacturing engineering,Glatiramer acetate,
...[+2]
Patent: 24
9
Toray Industries, Inc.
Fiber,Textile,Textile (markup language),
...[+2]
Patent: 23
10
Kyowa Hakko Kogyo Co., Ltd.
Fertilizer,Agrochemical,Raw material,
...[+2]
Patent: 23
11
Tosoh Corp.
Petrochemical,Chemical engineering,Immunoprotein,
...[+2]
Patent: 20
12
Daiichi Sankyo Co., Ltd.
Clinical trial,Cardiovascular agent,Drug,
...[+2]
Patent: 20
13
Yamanouchi Pharmaceutical Co., Ltd.
Drug,Medical equipment,Dental Equipment
Patent: 20
14
Morinaga Milk Industry Co., Ltd.
Probiotic,Food industry,Liquid diet,
...[+2]
Patent: 13
15
J-Pharma Co., Ltd.
Medicine,Drug,Hyperuricemia,
...[+2]
Patent: 13
16
Ono Pharmaceutical Co., Ltd.
Diagnostic Reagent,Medicine,Health care,
...[+2]
Patent: 10
17
FUJIFILM Wako Pure Chemical Corp.
Diagnostic Reagent,Laboratory chemicals
Patent: 10
18
Shiseido Co., Ltd.
Cosmetics,Elixir,Personal Care Product,
...[+2]
Patent: 9
19
Medical & Biological Laboratories Co., Ltd.
Reagent,Medicine,Cloud computing security,
...[+2]
Patent: 9
20
Ajinomoto Co., Inc.
Seasoning,Amino acid,Food processing,
...[+2]
Patent: 8
Page generation time: Jul 19 2025