The Nikkei index lost 0.61% to close at 29611.57 points, after rising 0.15% earlier in the session after a strong closing of the major US indices.
The broader Topix index fell 0.69% to 2041.42 points.
During the week, the Nikkei rose by 2.49%, while the Topix rose by 2.01%. Both recorded a rise for the second week in a row.
Toyota Motor shares fell 1.36%, after the automaker warned that a shortage of semiconductors around the world continues to threaten its annual production plans.
The share of Daikin Industries, the manufacturer of air conditioners, fell 2.64%, while the share of Terumo Medical Devices fell 5.42%, and they were at the forefront of losses on the Nikkei index, after their expectations were less than the market consensus.
SoftBank’s share also fell by 4.84%, after its semi-annual net profit decreased by 2.5 percent due to the reduction of phone fees.
Technology stocks rose, game maker Konami Holdings added 4.45%, while phone maker KDDI rose 0.08%.