Then say "the employee grants employer a non-exclusive (exclusive if the work is directly related to the company business as of time the work is conceived), non-transferable, sub-licenseable licence to use, modify, resell or redistribute all works related to employment (even if tangentially), including modified versions thereof, for commercial and business purposes only", not "intellectual property of anything and everything done by employee relating to employer's business, regardless of whether it relates to employee's work, belongs to the employer".
