TK

Tetuaki Kato

AC Aiphone Co.: 2 patents #18 of 52Top 35%
Overall (All Time): #2,260,804 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D394653 Intercom sub-station Toshio Hotta 1998-05-26
D394656 Intercom master station Toshio Hotta 1998-05-26