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Top 50 Key Players companies in Housekeeping
by Most Patent Filings in the Japan in 2020

The Housekeeping top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Patent Filings Housekeeping Key Players in the Japan. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2020, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
Housekeeping refers to the management of duties and chores involved in the running of a household, such as cleaning, cooking, home maintenance, shopping, laundry and bill payment. These tasks may be performed by members of the household, or by other persons hired for the purpose. The term is also used to refer to the money allocated for such use. By extension, an office or organization, as well as the maintenance of computer storage systems.

Key Players

Fast-growings

Startups & Unicorns

New Entrants

Ranking Year:

2022

2021

2020

2019

2018

Region:

Global

China

Japan

United Kingdom

United States

South Korea

Germany

Canada

Ranking:

Most Patent Filings

Highest Patent Value

Most Patent Citation

Most Market Reports

Most News Heat

#
Company Name
Region
Tech Topics
Total
1
Panasonic Holdings Corp.
Osaka, Japan
Semiconductor,Industrial engineering,Electronics,
...[+2]
Patent: 10
2
NEC Corp.
Tokyo, Japan
Virtualization,Big data,Network security,
...[+2]
Patent: 10
3
Matsushita Electronics Corp.
Osaka, Japan
Electronics,Computer hardware,DVD player,
...[+2]
Patent: 10
4
Advantest Corp.
Tokyo, Japan
Semiconductor,Mechanical engineering,Product design,
...[+2]
Patent: 9
5
Toyota Housing Corp.
Aichi, Japan
Real estate development
Patent: 7
6
Fujitsu Ltd.
Tokyo, Japan
Cloud computing,Enterprise software,Information technology management,
...[+2]
Patent: 6
7
Hitachi Ltd.
Tokyo, Japan
Elevator,Electrical equipment,Electric motor,
...[+2]
Patent: 5
8
Sekisui House, Ltd.
Osaka, Japan
Real estate development,Residential land,Urban area,
...[+2]
Patent: 5
9
Taiho Pharmaceutical Co., Ltd.
Tokyo, Japan
Oncology,Medicine,Health care,
...[+2]
Patent: 5
10
Sony Group Corp.
Tokyo, Japan
Computer hardware,Software,Music,
...[+2]
Patent: 4
11
Oki Electric Industry Co., Ltd.
Tokyo, Japan
Telecommunications,Call centre,Software,
...[+2]
Patent: 4
12
Hochiki Corp.
Tokyo, Japan
Smoke,Fire detection,Fire protection,
...[+2]
Patent: 4
13
TOSHIBA Corp.
Tokyo, Japan
Semiconductor,Computer hardware,Electronics,
...[+2]
Patent: 3
14
Canon, Inc.
Tokyo, Japan
Computer hardware,Software,Computer vision,
...[+2]
Patent: 3
15
OMRON Corp.
Kyoto, Japan
Automation,Electronics,Health care,
...[+2]
Patent: 3
16
Sharp Corp.
Osaka, Japan
Computer hardware,Electronics,Telecommunications,
...[+2]
Patent: 3
17
Nippon Telegraph & Telephone Corp.
Tokyo, Japan
Telecommunications,Cloud database,Data center,
...[+2]
Patent: 3
18
Daiwa House Industry Co., Ltd.
Osaka, Japan
Residence,Association (object-oriented programming),Social network
Patent: 3
19
Seiko Epson Corp.
Nagano, Japan
Wearable technology,Projector,Electronics,
...[+2]
Patent: 3
20
NGK Insulators, Ltd.
Aichi, Japan
Beryllium copper,Industrial engineering,Pottery,
...[+2]
Patent: 3
21
Misawa Homes Co., Ltd.
Tokyo, Japan
Land utilization,Real estate development,Residential land
Patent: 3
22
Unisis Corp.
Japan
Medical equipment,Medicine,Biopsy
Patent: 3
23
Honda Motor Co., Ltd.
Tokyo, Japan
Automotive engineering,Manufacturing engineering,Sport utility vehicle,
...[+2]
Patent: 2
24
Toray Industries, Inc.
Tokyo, Japan
Fiber,Textile,Textile (markup language),
...[+2]
Patent: 2
25
Dai Nippon Printing Co., Ltd.
Tokyo, Japan
Electronics,Publishing,Publication,
...[+2]
Patent: 2
26
Nomura Research Institute Ltd.
Tokyo, Japan
Systems design,Phosphatase,Kinase,
...[+2]
Patent: 2
27
Sysmex Corp.
Hokkaido, Japan
Clinical chemistry,Reagent,Medical equipment,
...[+2]
Patent: 2
28
NTT DATA Corp.
Tokyo, Japan
Software,Social infrastructure,Information technology consulting,
...[+2]
Patent: 2
29
SANYO Electric Co., Ltd.
Osaka, Japan
Semiconductor,Computer hardware,Software,
...[+2]
Patent: 2
30
Yahoo Japan Corp.
Tokyo, Japan
Habit,Search engine,Common value auction,
...[+2]
Patent: 2
31
Mitsubishi Electric Information Systems Corp.
Tokyo, Japan
Information system,Information technology consulting,Systems design
Patent: 2
32
Dainippon Printing Co. Ltd.
Japan
Patent: 2
33
Ricoh Co., Ltd.
Tokyo, Japan
Digital media,Data visualization,Thermal paper,
...[+2]
Patent: 1
34
Sekisui Chemical Co., Ltd.
Osaka, Japan
Synthetic rubber,Industrial engineering,Polyvinyl chloride,
...[+2]
Patent: 1
35
Toppan, Inc.
Tokyo, Japan
Publishing,Semiconductor,Electronics,
...[+2]
Patent: 1
36
Aisin Corp.
Aichi, Japan
Brake,Automotive engineering,Navigation system,
...[+2]
Patent: 1
37
Osaka Gas Co., Ltd.
Osaka, Japan
Natural gas,Activated carbon,Petroleum industry,
...[+2]
Patent: 1
38
Tokyo Gas Co., Ltd.
Tokyo, Japan
Natural gas,Hydrogen chloride,Petroleum industry,
...[+2]
Patent: 1
39
Casio Computer Co., Ltd.
Tokyo, Japan
Projector,Electronics,Digital camera,
...[+2]
Patent: 1
40
Daiken Corp.
Toyama, Japan
Building material,Forestry,Composite material,
...[+2]
Patent: 1
41
Nishimatsu Construction Co., Ltd.
Tokyo, Japan
Civil engineering,Construction engineering,Architecture
Patent: 1
42
Toshiba Tec Corp.
Tokyo, Japan
Computer hardware,Peripheral,Electronics,
...[+2]
Patent: 1
43
Makino Milling Machine Co., Ltd.
Tokyo, Japan
Machining,Manufacturing engineering,Discharge,
...[+2]
Patent: 1
44
FANCL Corp.
Kanagawa, Japan
Cosmetics,Cleanser,Food science,
...[+2]
Patent: 1
45
AEON DELIGHT CO., LTD.
Osaka, Japan
Facility management,Armored car,Technical training,
...[+2]
Patent: 1
46
NTT DoCoMo, Inc.
Tokyo, Japan
Telecommunications,Wireless,Mobile device,
...[+2]
Patent: 1
47
NTT Communications Corp.
Tokyo, Japan
Telecommunications,Information technology consulting,IPv6,
...[+2]
Patent: 1
48
Felissimo Corp.
Kyoto, Japan
Mail order sales,Shopping mall,Virtual goods,
...[+2]
Patent: 1
49
Hitachi Kokusai Electric, Inc.
Saga, Japan
Semiconductor,Electronics,Thin film,
...[+2]
Patent: 1
50
Tatsuno Corp.
Tokyo, Japan
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
Patent: 1

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