Koichi Tsukui津久井 幸一

Representative Director, COO, Advantest Corporation

Net worth (est.)
¥1.7B
#1556 in Japan
Listed shares
Executive pay
¥254M
Disclosed individually
Dividends (a year)
¥4.8M
#3824
Total income (est.)
¥259M
#480
Pay + dividends, before tax
Taxes (est.)
¥136M
#314
Income tax ¥111M / resident tax ¥25.3M
Other assets (est.)
¥121M
¥1.8B with shares
After-tax income 2026, before spending

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

Holdings

CompanyHeld bySharesStakePriceValueDividends
Advantest Corporation
6857 · FY ending Mar 2026 · Representative Director, COO
Own name 82,200 — ¥20,330 ¥1.7B ¥4.8M
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