YA

Yoshihiro Arai

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #3,936,601 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4862170 Digital-analog converter Youichi Hashimoto, Takashi Tokuyama, Kazuya Nishiga, Nobuhide Ueki, Naoki Adachi 1989-08-29