Re: Untie the visa from the employer/sponsor
>This is how the tech visas work in Japan
Residence status that allows you to work is technically* revoked if you stop working and don't find a new job within 90 days.
It looks like a H1-B can be transferred to a different employer.
So the only real difference is that you could quit your job before finding a new one.
*I doubt many people have had their status revoked up till now because immigration had almost no idea about what is going on beyond the documents you submit but I think with the my number system it'll be a lot easier for them to find out what people are up to and they might actually start enforcing the rules.