Reese uses his lunch break to brainstorm a new idea, jotting down ideas at his desk and working on it later at home on his own computer. Whose property is his invention

Use the excerpt below from an employee contract to answer the following  questions:

At ABC Technology, much of your work will involve developing new systems and software solutions. While you should prioritize your given assignments, employees are encouraged to develop their own solutions. Any inventions and ideas generated on company time and with company resources are the intellectual property of the company. All software purchased and installed by the company, and every product thereof, is the sole property of the company.