Toushiba
Proper noun
とうしば
東芝のお客様センターから届いたメールは、全文文字化けしていました。
The email from Toshiba’s customer center was all garbled.
The east lawn isn't some eastern lawn, it's in reference to the company Toshiba. Might be better to look at the reading first for this one.
The readings come from the readings you learned with the kanji.