Back in January 2007 when Apple introduced the iPhone, the company explicitly pooh-poohed the idea of stylus-based input for its multi-touch devices. Since then, Apple has also hinted that it’s not a fan of styluses for the iPad, despite the fact that pen-like accessories can dramatically increase the accuracy of handwriting and drawing input on notepad-sized device. But several companies have come up with iPhone, iPod touch, and iPad styluses…