NetWorth
LeaderPortfolio
Kozuki
Kagemasa Kozuki
Rank #1367
JAPAN•Media & Entertainment•Video games

Kagemasa Kozuki

Net Worth
$3.078B
-0.69% (24h)
Kagemasa Kozuki, born in 1940, is the founder and chairman of Konami Group, a Japanese multinational entertainment company. His source of wealth stems from the video game industry, with Konami initially starting as a jukebox repair business in 1969. Kozuki has guided Konami through decades of success, expanding its portfolio to include arcade games, console titles, mobile games, and gaming machines for casinos, as well as sports clubs, establishing a significant presence in the media-entertainment sector. His current estimated net worth is $3.3 billion.

How to read Kagemasa Kozuki's profile

Public net-worth figures are estimates. They combine observable inputs—typically listed equity, disclosed transactions, and market prices—with editorial judgment where filings are incomplete (for example, private holdings, debt, or cross-holdings). For Kagemasa Kozuki, we anchor the narrative to Video games and Video games, then update the headline number as markets move. The chart on this page is meant to show trajectory, not a certified balance sheet.

When you see $3.078B alongside global rank #1367, interpret it as our best synthesis of widely cited ownership and price signals—not a claim about cash on hand. Estimates can diverge from other publishers because of different treatment of options, trusts, charitable vehicles, or illiquid assets. We document the general approach in methodology and welcome corrections via corrections.

Country (JAPAN) and career milestones on this page are curated for reader context; they should be verified against primary sources when used for research. Editorial metadata for this profile is refreshed on a rolling basis, with deeper audits at least annually (last noted cycle: 2026).

Looking for depth? When available, the dossier and timeline sections below add long-form context beyond the headline number—prioritize those modules when evaluating claims about strategy, controversies, or philanthropic commitments.

The Full Dossier

Early Life

Kagemasa Kozuki was born on November 12, 1940, in Japan. He developed an interest in electronics and technology at a young age. He graduated from Kansai University in 1966 with a Bachelor of Economics.

Rise to Success

In 1969, at the age of 28, Kozuki founded Konami Industry Co., Ltd. in Osaka, Japan. Initially, the company was a jukebox rental and repair business. By 1973, Konami shifted its focus to amusement machines and then to the development and publishing of video games. Under Kozuki's leadership, Konami released numerous successful titles, including the "Gradius," "Castlevania," and "Metal Gear" series. Over the years, Kozuki expanded Konami's operations to include pachinko machines, trading cards, and anime production.

Key Business Strategies

Kozuki's key business strategies included diversifying the company's business segments into digital entertainment, amusement, gaming and systems, and sports. He oversaw the company's expansion into global markets, including North America, Europe, and Asia. Konami's ability to adapt to market trends, like the shift towards mobile gaming, has been a crucial aspect of its success. Kozuki also focused on leveraging Konami's classic intellectual properties while expanding into the growing e-sports market. Furthermore, Konami has invested in the gaming machine and casino-management systems sectors.

Philanthropy

Kagemasa Kozuki established the Kozuki Foundation in 1982, which contributes to sports, educational, cultural, and social support related activities. The foundation promotes the development of sports and aims to improve the public good.

Career Timeline

2022

Mississippi Gaming Hall of Fame

Inducted into the Mississippi Gaming Hall of Fame.

1982

Kozuki Foundation Established

Founded the Kozuki Foundation to support sports, educational, cultural, and social activities.

1973

Video Game Development

Expanded into the development and publishing of video games.

1973

Shift to Amusement Machines

Konami began manufacturing amusement machines, marking the company's entry into the gaming industry.

1969

Founded Konami

Established Konami Industry Co., Ltd., initially focusing on jukebox rental and repair.

Philanthropic Impact

Sports, Education, Culture and Social SupportUndisclosed

Kozuki Foundation

Supports sports, educational, cultural, and social support related activities.

Education$1M

University of Nevada Donation

Donated to the University of Nevada

Disaster ReliefUndisclosed

Tohoku Earthquake Relief

Donated to aid in the aftermath of the 2011 Tohoku earthquake.

Key Business Ventures & Holdings

CompanyStakeValue
Konami Group Corporation18.95%—

Net Worth History

In-Depth Analysis

Early Life

Kagemasa Kozuki was born on November 12, 1940, in Japan. He developed an interest in electronics and technology at a young age. He graduated from Kansai University in 1966 with a Bachelor of Economics.

Rise to Success

In 1969, at the age of 28, Kozuki founded Konami Industry Co., Ltd. in Osaka, Japan. Initially, the company was a jukebox rental and repair business. By 1973, Konami shifted its focus to amusement machines and then to the development and publishing of video games. Under Kozuki's leadership, Konami released numerous successful titles, including the "Gradius," "Castlevania," and "Metal Gear" series. Over the years, Kozuki expanded Konami's operations to include pachinko machines, trading cards, and anime production.

Key Business Strategies

Kozuki's key business strategies included diversifying the company's business segments into digital entertainment, amusement, gaming and systems, and sports. He oversaw the company's expansion into global markets, including North America, Europe, and Asia. Konami's ability to adapt to market trends, like the shift towards mobile gaming, has been a crucial aspect of its success. Kozuki also focused on leveraging Konami's classic intellectual properties while expanding into the growing e-sports market. Furthermore, Konami has invested in the gaming machine and casino-management systems sectors.

Philanthropy

Kagemasa Kozuki established the Kozuki Foundation in 1982, which contributes to sports, educational, cultural, and social support related activities. The foundation promotes the development of sports and aims to improve the public good.

Data Sources & Methodology

Figures for Kagemasa Kozuki are synthesized from the sources below and cross-checked against our net worth methodology. Estimates may lag market moves; see corrections to report discrepancies.

You may also like

HubAll BillionairesHubGlobal RankingsHubNewsroom