Manabu Yamamoto

Profile
Tenure
Apr 2017 – Apr 2021
Years in office
4.0 years
Name in Japanese
山本学
Title at appointment
Representative Director, President
Performance in office
Denka
Performance in office
FY2017FY2021Change
Revenue¥362.6billion¥354.3billion−2%
Net margin5%6.4%+1.4pt
KawabataYoshitakaYamamotoImaiIshida
Revenue¥369.8 billionRevenue¥384.2 billionNet margin5.2%Net margin4.1%2012/32016/32021/32026/3
Revenue¥369.8 billionRevenue¥384.2 billionNet margin5.2%Net margin4.1%2012/32016/32021/32026/3
API: /api/4061/financials_history.csv · /api/4061/financials/pl.json
Career

Career

Denka

Date Position
Apr 1981 Joined
Apr 2009 Executive Officer
Jun 2013 Director
Apr 2016 Senior Managing Executive Officer
Apr 2017 Representative Director, President
Apr 2021 Representative Director, Chairman
Apr 2021 Stepped down as President
Apr 2025 Director, Special Advisor

Koatsu Gas Kogyo

Date Position
Jun 2016 Outside Audit & Supervisory Board Member