top right corner vs upper right corner

Some examples from the web:

• The top right corner of it?
• You can view the molecule on the reference screen located in the top right corner of the game screen.
• If you check the Show comment indicator box of the Sheet Properties dialog, those cells containing comments will be highlighted by a small red triangle in the top right corner.
• To see the comment hover the mouse pointer over the top right corner of the cell. The comment will appear as if it were a Tooltip.
• Top Right Angle: show the current angle in degrees at the top right corner of the perspective area.
• if the child window is not maximized, clicking the arrow in the top right corner of the child window (next to the minimize, maximize and close buttons for that child window);
• Write your name in the top right corner followed by birth date and social security number.
• Take a look in the top right corner.
• Fold A, top right corner.
• At the top right corner, you will see the main hangar.
• If this box is checked cells containing comments will be marked by a small red triangle at the top right corner.
• The one in the top right corner.
• The ink's not yet dry, and I'd have your attention to the article - at the top right corner.

Some examples from the web:

• 1.7 Position of Stamp on Mailpiece. Stamps must be affixed firmly in the upper right corner of the address side of the mail cover. Any stamp partly concealed by ...
• Question: Q: Spinning icon in upper right corner. Several days ago my iPad began displaying a spinning asterisk next to the WiFi ...
• Jan 12, 2019 ... It sounds more natural to say 'in the upper right corner'
• Nov 3, 2018 ... It is the custom for Black to play in their upper right corner first, on one of the marked points in the diagram (as seen by Black).
• Jan 7, 2013 ... bookmark icon does not appear on upper right corner next to home page icon. 1 reply; 6 have this problem; 42 views; Last reply by cor-el.