"combined responsibility" is grammatically correct and usable in written English.
You can use the phrase when referring to a shared responsibility among multiple people or organizations. For example, "The Combined Responsibility of the four companies for the project's success was clear from the beginning."
The office of grand historian combined responsibility for astronomical observations and for the regulation of the calendar with the duties of keeping a daily record of state events and court ceremonies.
In late July, the board of directors approved the formation of the Office of the Chairman and CEO, which formally gave its two members, Ford and Nasser, combined responsibility for running the company.
One new role will combine responsibility for corporate relations, marketing, press and publicity and policy and regulations.
Over time people will come to acknowledge our unique role, the Liberal Democrats, in this Government as the only party in British politics that combines responsibility on the economy with social fairness," he added.
It would present an opportunity to create genuinely integrated and joined up services, combined with responsibility for the economic and social well-being of the area.
Others were not consulted!" In 1953 1955 Rau led the new established Ministry for Machine Construction, which combined the responsibilities of three existing ministries.
This burden is expressed in thoughts (e.g. 'the situation of my.... is constantly on my mind') as well as in his/her interaction with the social environment (e.g. 'it's not easy to combine the responsibility for my... with the responsibility for my work/family').
The job of White House physician combines professional responsibility with the glamour and trappings of proximity to history.
Giles' twin role suggests the veteran club captain Glen Chapple will not be combining the responsibility of leading the team on the field next season and coaching off it.
A princess who rarely leaves Japan and a promise to combine fiscal responsibility with a passionate welcome also helped Tokyo win after two previous consecutive bid failures.
He combines managerial responsibility with working as a coach and facilitator for individuals and teams, where his focus is the development of leadership, motivation and improved cooperation.
