Company name changed in January 2026
Natsume Atari Inc. has been reborn as Winning Entertainment Group INC.
Background
Becoming a global entertainment-creation company
We started our journey as Natsume in 1987, developing video games for home consoles.
Atari was founded in 2002 as a developer of pachinko and pachislot amusement games.
The two companies merged to form NatsumeAtari in 2013, expanding our business across both video game and pachinko/pachislot game development.
To mark a fresh chapter, starting January 2026 we will retire the “Natsume” and “Atari” names and step forward as:
INC.
This change represents our commitment and ambition to grow as a leading global entertainment company.
Information
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2026.01.09
Holiday Notice
We wanted to inform you that our company will be closed on January 9 (Friday) due to internal events.
We apologize for any inconvenience this may cause and appreciate your understanding and patience during this time.
Our regular business hours will resume on January 13 (Tuesday), starting at 9 am. -
2026.01.01
Notice of company name change
NatsumeAtari Inc., a developer of games and gaming machines (Head Office: Kita-ku, Osaka City, Osaka Prefecture; President & CEO: Mitsuhiro Koide), will change its company name to Winning Entertainment Group INC. effective Thursday, January 1, 2026.
[Overview]
1. New Company Name: Winning Entertainment Group INC.
2. Effective Date: Thursday, January 1, 2026
* This change is limited to the company name only; there will be no changes to the company’s address or other details.
[Purpose and Background of the Name Change]
The company traces its origins to Natsume, founded in 1987 as a game developer, and Atari, established in 2002 as a developer of pachinko/pachislot games. In 2013, these two companies were merged to form NatsumeAtari, under which the company has conducted business primarily in game consumer video game and pachinko/pachislot development.
In recent years, the company’s business activities have grown internationally as new forms of entertainment have emerged.
Accordingly, beginning in January 2026, the company will remove the Natsume and Atari names and change its corporate name to Winning Entertainment Group INC., marking a new step forward as a global entertainment company.
Entertainment ∞
Three forces converging,
entertainment takes flight into infinity ∞.
We create the world’s next excitement—limitlessly.
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Strength
Our Entertainment Power-
Entertainment
Creation
PowerLeveraging advanced technology and professional expertise, we create new forms of entertainment.
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IP
Production
PowerWe unlock the full potential of IP through multi-platform development and strategic expansion.
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Global
Expansion
PowerWe bring entertainment to markets around the world.
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Professional
A Collective of Specialists Who Bring Entertainment to Life-
Business
ProductionWe plan and develop a wide range of entertainment projects, turning ideas into reality.
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Development
ManagementWe launch ideas, craft the end vision, and lead development projects through to completion.
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Development
TeamWith world class technical expertise and a true passion for entertainment, our specialists build each project to the highest standard.
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Business
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Content Development Business
Remakes, reboots, and new development of Natsume-brand games.
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Global Business
Building an Entertainment Base in Bahrain and the Middle East. Delivering Japan’s IP, products, and education to the world.
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Game Publishing Business
Commissioned development of game software and pachinko/pachislot machine content.
Company
- Company Name
- Winning Entertainment Group INC.
- Founded
- October 20, 1987
- Office Location
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Head Office: Dojima Axis Bldg. 11F, 2-2-28, Dojimahama, Kita-ku, Osaka, Japan
Nagoya Office: Misono Obayashi Bldg. 9F, 1-13-4 Sakae, Naka-ku, Nagoya, Aichi, Japan - Number of Employees
- Approximately 150 people
- Capital
- 67,762,610 Yen
- Business Hours
- 9:00~17:00
- Our customers
- Sony Interactive Entertainment Inc. / Nintendo Co., Ltd/TAITO CORPORATION / Bandai Namco Entertainment Inc. / 505 Games / Pachinko and Slot Manufacturers / Others
- Main Business Activities
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- Development of consumer video games
- Development of mobile games and applications
- Development of pachinko and slot machine games
- Development of CG content
- Development of internet and cellular systems
- Development of other systems and management tools
- Correspondent Bank
- Kiyo Bank / Resona Bank / Kansai Mirai Bank
- Corporate Lawyer
- MIDOSUJI LPD
- Affiliated Company
- Natsume Inc.（San Francisco）
- Member Organizations
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CESA（Computer Entertainment Supplier’s Association）
Access
- JR Line – 12 minutes walk from Osaka station
- Midosuji Subway Line – 10 minutes walk from Umeda station
- Yotsubashi Subway Line – 7 minutes walk from Nishi-Umeda station
- Keihan Nakanoshima Line – 4 minutes walk from Watanabebashi station
- Subway Higashiyama Line Fushimi Station - 5 minutes walk
History
- October 1987
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Natsume Inc. established in Shinjuku-ku, Tokyo
- May 1988
- Natsume Inc. established in SAN FRANCISCO
- October 2002
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Atari Inc. established in Kita-ku, Osaka
- October 2013
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Natsume Inc. and Atari Inc. merged to form NatsumeAtari Inc.
- October 2015
- Head office relocated to Kita-ku, Osaka
- January 2026
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Rebranded as Winning Entertainment Group INC.
Contact
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Privacy Policy
Winning Entertainment Group INC. (“the Company”) recognizes the importance of personal information and is committed to its proper and secure management.
The Company complies with all applicable laws and regulations on personal information protection and treats personal information as a priority. We ensure that our employees are properly educated and aware of correct handling practices.
We collect personal information through fair and appropriate means.
We use personal information only for clearly stated purposes, such as inquiries, communication, or campaign applications, and only within the scope necessary and agreed upon by the customer.
To prevent unauthorized access, loss, destruction, alteration, or leakage, we implement appropriate security measures and continue to improve them.
When outsourcing personal information processing, we enter into proper agreements and supervise contractors to ensure adequate security management.
If customers request disclosure, correction, or deletion of their personal information, we will respond promptly and appropriately.