Lam, who was in his 40s, reportedly fell ill on Sunday when his group neared Everest Base Camp, at about 5,000 metres above sea level.
Speaking by telephone from base camp, Gyanendra Shrestha, an official with the Nepalese Ministry of Tourism, said Mr. Kuriki's body would be airlifted to Kathmandu, the capital, for an autopsy to ascertain the exact cause of death.
A Japanese climber has died during his eighth attempt to climb Mount Everest. According to the report, more than 340 foreign climbers are allowed by Nepal to ascend the peak during the current season. He was found dead while sleeping in a tent at camp 2, which is at 24,278 feet.
It is unlikely Kuriki made the summit. He further added, "Sherpas found his body inside the tent".
Officials also confirmed to Reuters that scores of climbers had successfully made it to the top of Everest this month taking the benefit of good weather.
Climber Nobukazu Kuriki dies on Mt. Everest
"I feel the pain and difficulty of this mountain", a post said.
As he reached the summit of the world's highest peak on Wednesday, Mr Rita broke the records of two other Sherpa guides who had climbed it 21 times. In 2012, he lost nine fingertips to frostbite trying to climb the world's tallest mountain.
Last week, Hong Kong man Christopher Lam Koon-wah died of altitude sickness during his Everest bid.
Kuriki was a "true alpinist" who was accompanied by a large film crew shooting his Himalayan adventure, according to Alan Arnett, a US blogger on mountaineering. Second image: Nobukazu poses with Nepalese flag after speaking engagement.
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