Tokyo, Japan – While walking his toy poodle in the park near his home in Ikeda, Gifu Prefecture, Shin Ohta had an idea.“My dog often stops walking during our strolls. I would carry him every time, but his weight of nearly 5kg [11lbs] started to become a real burden,” Ohta told Al Jazeera.Recommended Stories list of 4 itemsend of list“I knew there had to be a better way.Ohta works in sales for Japan’s oldest baby carrier manufacturer, Lucky Industries, which has produced more than 40 million baby carriers since its founding in 1934.He has spent his career making baby carriers, but after that walk, he wondered if the same expertise could be applied to pets.After consulting a veterinarian to ensure the design was viable for dogs, Ohta helped Lucky Industries launch its first line of dog hip carriers in 2022: Nu-i.Earlier this year, the company joined dozens of other brands at Tokyo’s annual Interpets conference, a showcase of Japan’s rapidly growing pet care market.During the first weekend of April, stalls lined the walls of the Big Sight convention centre, selling everything from walk-in pet dryers to the latest organic cat treats.Few of the pet owners attending the event had their four-legged friend on a leash, instead ferrying them to and fro in well-decorated pet strollers, or the doggy equivalent of baby slings.Many pets were decked out in colourful outfits, fur clips, and diap …