Hisao Hayama羽山 尚

Major shareholder of Riso Kagaku Corporation

Net worth (est.)
¥2.5B
#1240 in Japan
Listed shares
Executive pay
—
Not disclosed
Dividends (a year)
¥112M
#725
Total income (est.)
¥112M
#1518
Pay + dividends, before tax
Taxes (est.)
¥49.7M
#1355
Income tax ¥40.2M / resident tax ¥9.5M
Other assets (est.)
¥243M
¥2.8B with shares
After-tax income 2024–2026 (incl. ¥53.9M from share sales), before spending

Other assets (est.): the sum of each year's after-tax income (pay + dividends in own name − estimated taxes and social insurance) dividends retained by asset-management companies (less about 20% corporate tax), and proceeds from share sales (the drop in shares from the previous year × share price, less 20.315% tax, or about 30% for asset-management companies), for the years we have data. Spending, real estate, donations and savings from earlier years are not reflected.

Holdings

CompanyHeld bySharesStakePriceValueDividends
Riso Kagaku Corporation
6413 · FY ending Mar 2026
Own name 2,235,000 3.55% ¥1,127 ¥2.5B ¥112M

By year

YearNet worthPayDividendsTotal incomeTaxes (est.)After tax (est.)Share sales (after tax)
2026¥2.5B—¥112M¥112M¥49.7M¥62.0M¥53.9M
2025¥2.9B—¥115M¥115M¥51.1M¥63.5M—
2024¥3.6B—¥115M¥115M¥51.1M¥63.5M—

Grouped by the calendar year of each company's fiscal year-end. Years in which the person was not among the top 10 shareholders of a company exclude that company.

Estimates from annual securities reports (EDINET). The English name is romanized automatically and may differ from the spelling the person uses. Methodology · Corrections and removal requests: contact