CZ

Changmine Zhou

YO Yozan: 1 patents #25 of 43Top 60%
Overall (All Time): #3,487,636 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6778654 System for transfer control of telephone line Sunao Takatori, Hisanori Kiyomatsu 2004-08-17