Yasuo YANAGIHASHI majored in the mechanical engineering at the university. Especially he conducted a study of the internal stress of soils excavated by construction machines. After graduation of the university, he devoted himself to the research and development of the steel making facilities for around 10 years and the overseas construction of the steel making plant for around 10 years in the steel company. During those, he also had experience of residing abroad mainly in north America.　
Then, he entered the field of the intellectual properties, and experienced various cases in the intellectual properties, including not only prosecution works but also expert opinions, invalidation trials, law suits, transfer of rights or the like. He also experienced management work of the law firm at the previous workplace.
He always wishes to do his best for contributing to the clients business as a professional of the intellectual properties, with his vast experiences in the world.