Update from Tokyo on 10th June, 2020.
Yes. The Japanese government has lifted coronavirus state of emergency in all over the country. Now public parks, museums, restaurants and cafes are open in Tokyo, Kyoto and Osaka as well as other cities in Japan.
Local videographers, sound mixers and photographers are available in locations and studios. There are no restrictions on moving around by public transportation. However, wearing face masks are strongly recommended. Video equipment shops and rental shops are open daily at shorter business hours.