Licensing and global brand management company, Cherokee Inc, on Monday posted a 10.9 per cent climb in first quarter net income to $5.1 million from the year prior and said royalty revenue was up 9.5 per cent to $11.5m. The California-based company, whose proprietary brands include Sideout and Cherokee, said its royalty revenue growth was thanks to improved retail sales of Cherokee branded merchandise by its worldwide licensees and revenue from brand representations.