SY

Seiko YAMAMOTO

Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #1,927,205 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10496221 Position detection device, image display device and image display system Yoshiaki Oshima, Noritada Ohi, Katsuyuki Omura, Masafumi Nagao, Naoyuki Ishikawa +1 more 2019-12-03
10180759 Coordinate detecting apparatus, system, and coordinate detecting method Katsuyuki Omura, Noritada Ohi, Yoshiaki Oshima, Masafumi Nagao, Naoyuki Ishikawa +1 more 2019-01-15