Certain coffee chains, fast food restaurants and convenience stores also offer their own free Wi-Fi. Like in many places, you will have to sign up for it. While convenient, the signal on some of these free services can be patchy and slow. Paid hotspots are also available.
ISP
Type of internet
Speed
Sakura Fiber Internet
NTT FLET'S fiber optic
Up to 1Gbps
SpinNet
NTT FLET'S fiber optic
Up to 1Gbps
au (KDDI) Hikari
au fiber optic
Up to 1Gbps-10Gbps
SoftBank
SoftBank fiber optic
Up to 1Gbps-10Gbps