Tokyo Metropolitan Government officials reported 290 cases of coronavirus infection on Saturday.
This is the third consecutive day for the capital to confirm more than 200 new cases. On Friday, Tokyo reported 293 infections -- a record high.
The government of Osaka Prefecture, western Japan, says 86 people tested positive for the new coronavirus on Saturday.
This is the first time since April 20 that daily infections in the prefecture have topped 80. Saturday's figure is the third highest on record.
Prime Minister Abe Shinzo has told the governor of Osaka Prefecture that the government will work together with local authorities to curb coronavirus infections.
Abe met Governor Yoshimura Hirofumi on Tuesday at the prime minister's office and discussed measures against the virus.
Universal Studios Japan in Osaka has reopened on a limited basis, having been closed since the end of February due to the coronavirus outbreak.
The theme park opened its doors to only residents of Osaka Prefecture who hold annual passes. Online registration is required in advance for the one-week period that began Monday.
The governor of Osaka, western Japan, says the prefecture has determined its own criteria for gradually lifting restrictions amid the coronavirus pandemic in the wake of the central government's extension of the state of emergency.
The prefecture's taskforce met on Tuesday.
Major Japanese cities have seen sharp declines in visitor numbers amid the nationwide state of emergency.
Telecom company NTT Docomo has released anonymous tracking data for Japan's 47 prefectures.
Officials in the western Japanese city of Osaka say a hospital there instructed a nurse to continue to work despite testing positive for the coronavirus.
The officials learned of this after someone tweeted the allegation against Osaka's Namihaya Rehabilitation Hospital.
The operator of Japan's Tokaido Shinkansen line says it will cut the number of its train services linking Tokyo and Osaka by about 20 percent due to the coronavirus outbreak.
Central Japan Railway Company president Kaneko Shin made the announcement at a news conference in Tokyo on Thursday.
Tennis star Osaka Naomi has urged people not to be selfish but to be united to overcome the coronavirus pandemic.
Osaka made the appeal in a video message she filmed for NHK. She is now staying at home in the US state of California.
The governor of Osaka Prefecture, western Japan, is calling on people to avoid nightclubs and other spots that operate during nighttime hours as a precaution amid the coronavirus outbreak.
Yoshimura Hirofumi made the remarks to reporters on Tuesday saying that the virus could spread in entertainment establishments that operate from night until early morning.
In the Spring Grand Sumo Tournament, Yokozuna Grand Champion Hakuho clinched his 44th title, beating fellow grand champion Kakuryu on Sunday.
The two Mongolian Yokozuna wrestlers had entered the final day of the Osaka tournament with 12 wins and 2 losses each. Hakuho had previously won 41 bouts against Kakuryu and lost eight.
The live music scene in Osaka seems to be spreading the new coronavirus.
Osaka Prefectural officials suspect a mass infection with the virus may have occurred at a second live music venue in the region.
A Japanese court has refused a claim by a city in western Japan that the national government should review its decision to exclude the city from the so-called hometown tax donation system.
The Osaka High Court dismissed on Thursday a suit filed by Izumisano City in Osaka Prefecture against the internal affairs ministry.
Japan's health ministry officials say a female bus tour guide living in Osaka has been confirmed infected with the new coronavirus.
This is the eighth confirmed infection in Japan.