About 3 Trademarks found that are owned by Chen Jinghang

Cups; Beakers, namely, wide-mouthed drinking cups for household use; Coffee cups; Coffee cups, tea cups and mugs; Coffee mugs; Crockery, namely, pots, dishes, drinking cups and saucers, bowls, serving bowls and trays; Cups and mugs; Cups, not of precious metal; Demitasse sets comprised of cups and saucers; Demitasse sets comprised of cups, saucers and stirring spoons sold as a unit; Drinking steins; Earthenware mugs; Porcelain mugs; Teacups (yunomi)

The wording "YJOO" has no meaning in a foreign language.

Insect exterminating agents; Insect repellent agents; Insect repellents; Insect-repellents; Mosquito repellents