Judge said the defendant had an 'excessive degree of disregard for life'
Executive said, 'I did it to satisfy my sexual desire'
Woman suffered a 5-centimeter-long gash on her forehead, police said
Suspect told police, 'I didn't want to marry her'
Police are investigating the circumstances that led to the event
Police are planning to use an identification card found near the body to confirm the person's identity
Police located the suspect at a pachinko parlor in Osaka City on February 23
Suspect told police that he and his wife had gotten into a fight about whether to get a divorce
Suspect is the director of a construction company
Suspect smashed the bottle on a table before going after his colleague