noun
for one person; single-user; single-serving
Used for items, portions, or facilities designed for a single person, such as tableware, tents, or game modes.
このテントは一人用です。
This tent is for one person.
一人用の鍋でラーメンを作った。
I made ramen in a single-serving pot.
個人用 means 'for personal use', emphasizing individual ownership rather than capacity.
Compound of 一人 (ひとり, 'one person') + 用 (よう, 'use; for').