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Top 20 Key Players companies in Multiple sklerose
by Most Patent Citation in the Japan in 2022

The Multiple sklerose top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Citation Multiple sklerose Key Players in the Japan. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2022, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
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#
Company Name
Region
Tech Topics
Total
1
Ono Pharmaceutical Co., Ltd.
Diagnostic Reagent,Medicine,Health care,
...[+2]
patent citation: 278
2
Eisai R&D Management Co., Ltd.
Biotechnology,Agriculture,Fishery,
...[+2]
patent citation: 115
3
Astellas Pharma, Inc.
Health care,Clinical trial,Diabetic complication,
...[+2]
patent citation: 50
4
Mitsui Pharmaceuticals, Inc.
Medicine
patent citation: 44
5
Kureha Corp.
Chemical engineering,Polyvinylidene fluoride,Wallpaper,
...[+2]
patent citation: 32
6
Japan Tobacco, Inc.
Nicotiana tabacum,Cigarillo,Food sector,
...[+2]
patent citation: 31
7
RaQualia Pharma, Inc.
Drug discovery,Gastrointestinal agent,Drug development,
...[+2]
patent citation: 25
8
Sanwa Kagaku Kenkyusho Co., Ltd.
Contract Manufacturing,Medicine,Chemical engineering,
...[+2]
patent citation: 23
9
Kyowa Hakko Kogyo Co., Ltd.
Fertilizer,Agrochemical,Raw material,
...[+2]
patent citation: 19
10
Nippon Zoki Pharmaceutical Co. Ltd.
Medicine,Clinical trial,Analgesic,
...[+2]
patent citation: 16
11
TDK Corp.
Electronic component,Ceramic capacitor,Electronics,
...[+2]
patent citation: 12
12
Takeda Pharmaceutical Co., Ltd.
Medicine,Health care,Clinical trial,
...[+2]
patent citation: 12
13
Takeda Chemical Industries Ltd.
Pharmaceutical drug,Botanical drug,Herb
patent citation: 12
14
Honda Motor Co., Ltd.
Automotive engineering,Manufacturing engineering,Sport utility vehicle,
...[+2]
patent citation: 8
15
Tosoh Corp.
Petrochemical,Chemical engineering,Immunoprotein,
...[+2]
patent citation: 8
16
ISHIHARA SANGYO KAISHA LTD.
Titanium dioxide,Agrochemical,Chemical engineering,
...[+2]
patent citation: 8
17
M's Science Corp.
Cutamesine,Neuroregeneration,Medicine,
...[+2]
patent citation: 8
18
Chugai Pharmaceutical Co., Ltd.
Drug,Clinical trial,Health care,
...[+2]
patent citation: 7
19
LIFETECH Co., Ltd.
Automation,Computer hardware,Electronics
patent citation: 7
20
Asahi Kasei Corp.
Chemical engineering,Petrochemical,Fertilizer,
...[+2]
patent citation: 6
Page generation time: Jul 25 2025