Billionaire Profile
Yoichi Erikawa
Global Rank
#2654

Image: Public domain | via Wikimedia Commons

Yoichi Erikawa

CEO, Koei Tecmo Holdings Co., Ltd.
JP
Real-Time Net Worth
$1.3B
As of December 2025
Age
75
Source
Video games
Industry
media-entertainment
Citizenship
JP

Biography

Yoichi Erikawa, co-founder of Koei Tecmo Holdings, is a prominent figure in the video game industry. Along with his wife, Keiko Erikawa, he established Koei in 1978. Erikawa is known for his role as the driving force behind the company's success, particularly in the historical simulation genre. His career spans over four decades and includes significant contributions to the development and publishing of popular game franchises such as Dynasty Warriors and Romance of the Three Kingdoms, as well as pioneering the historical simulation game market. His estimated net worth is $1.3 billion as of December 2025.

Wealth Over Time

In-Depth Profile

Early Life

Yoichi Erikawa, also known by his pseudonym Kou Shibusawa, was born on October 26, 1950, in Ashikaga City, Tochigi, Japan. He showed a strong interest in history from a young age, an interest that would later shape his career. He graduated from Keio University with a degree in Commerce and Economics.

Rise to Success

Erikawa co-founded Koei (later Koei Tecmo) with his wife, Keiko Erikawa, in July 1978. The company initially focused on personal computer software. Erikawa's passion for history and programming led to the creation of "Nobunaga's Ambition" in 1983, a historical simulation game that became a massive hit in Japan. This success propelled Koei from a chemical wholesaler to a leading game development and publishing studio. Erikawa served as the president and CEO of Koei Tecmo for over four decades, stepping down as CEO in February 2025.

Key Business Strategies

Erikawa's key business strategy focused on developing historically-themed simulation games for adults, a market he correctly identified as underserved. He emphasized the importance of creating games that were both engaging and historically accurate. Koei Tecmo's success also stemmed from its ability to adapt to changing market trends, expanding into various platforms and genres, including the action-oriented Dynasty Warriors series.

Philanthropy

Specific details on Yoichi Erikawa's philanthropy are unavailable through a general search; however, his company, Koei Tecmo, is known to support various initiatives. Details on the exact amounts are not accessible through public sources.

Career Milestones

1978

Cofounded Koei

Founded Koei Co., Ltd. with his wife, Keiko Erikawa.

1983

Released "Nobunaga's Ambition"

Released the first title in the "Nobunaga's Ambition" series, a historical simulation game that became a massive hit.

2009

Merger with Tecmo

Merged Koei with Tecmo to form Tecmo Koei Holdings (later Koei Tecmo Holdings).

2014

Name change to Koei Tecmo

The company name was changed from Tecmo Koei Games to Koei Tecmo Games.

2025

Transition to Chairman

Stepped down as CEO and became Chairman of Koei Tecmo Holdings.