YT

Yoichi Takashima

NT NTT: 1 patents #2,911 of 4,871Top 60%
Overall (All Time): #3,571,662 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6185312 Method for embedding and reading watermark-information in digital form, and apparatus thereof Takao Nakamura, Hiroshi Ogawa 2001-02-06