次の新機種はかなり期待できそう
http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&;Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=332&f=G&l=50&d=PG01&s1=(1%2F1.CCLS.+AND+20170720.PD.)&p=7&OS=ccl/1/1+and+pd/7/20/2017&RS=(CCL/1/1+AND+PD/20170720)