Nvidia's cofounder and CEO Jensen Huang.Noah Berger/Getty ImagesNvidia is experiencing high demand for its AI chips.CEO Jensen Huang assured analysts that the company is distributing chips "fairly."Nvidia's fourth-quarter revenue surpassed Wall Street expectations, reaching $22.1 billion.Hot chip stock Nvidia has a problem — a good one.The company is seeing so much demand for its AI chips that cofounder and CEO Jensen Huang had to give assurance that the company is allocating them "fairly.""We do the best we can to allocate fairly and to avoid allocating unnecessarily," Huang said in a call with analysts after releasing fourth-quarter results on Wednesday, according to a transcript.Huang was responding to a question about how Nvidia is allocating chips to all the companies — many of whom are competitors — that are clamoring for them.Huang added that Nvidia works with cloud service providers to meet their expectations and timelines."Why allocate something when the data center's not ready.