YS

Yasuhisa Sakamoto

NT NTT: 1 patents #2,911 of 4,871Top 60%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,210,709 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6351847 Method and device for acquiring usage data of application Kouji Kishi, Takuya Sumi 2002-02-26
4648381 Gas cooking oven Toshio Ishii, Isao Takahashi 1987-03-10