SK

Syu Kumagai

AC Aiphone Co.: 1 patents #5 of 7Top 75%
Overall (2019): #255,316 of 560,194Top 50%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10469669 Intercom system Seiya Yamakawa, Akira Kai 2019-11-05