He was born in Edirne in 1921. After graduating from Edirne High School, he entered in Painting Department at Istanbul Fine Arts Academy. One year later he moved to the Sculpture Department and completed his education as Rudolf Belling’s student in 1945. Between 1947 and 1950 he carried out his studies at Academie Julian and l'Ecole du Louvre in France, and opened his first exhibition in Paris. After returning to the Istanbul Fine Arts Academy he continued his studies and in the same year he founded the metal atelier Kare Metal with Sadi Öziş. Thus, these two artists started to produce metal furniture for the first time. Enlarging with Şadi Çalık’s participation, Kare Metal put its stamp on history as one of the important milestones on modern furniture in Turkey with its metal furniture designs. Mr. Koman was accepted to Stockholm Applied Arts High School as a lecturer in 1967. During that period his scientific inventions like new geometric derivatives and windmills were registered. It was him who designed the eastern side of the large relieves of Atatürk's monumental tomb. He gained runner up and first place prize at Ankara State Exhibition in 1954 and 1955, respectively. He also gained first place prize in a contest launched for area planning in Sundsvall, Sweden in 1969, and one of the first place prizes in the sculpture contest organized for the sculpture to be placed in front of Örebro Town Hall in 1970. İlhan Koman passed away in Sweden at the age of 65 in 1986.