YU

Yasuyuki Umehara

Pioneer: 5 patents #362 of 1,730Top 25%
Overall (All Time): #1,026,840 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7484093 Information processor and information processing method Koichiro Kakutani, Yuji Matsumoto, Takashi Irisawa, Takeshi Nonaka, Yukiyoshi Haraguchi +4 more 2009-01-27
7031542 Encoding rate controlling apparatus and information encoding apparatus Tsutomu Takahashi, Donghua Liu 2006-04-18
6781526 Information recording apparatus and information recording method 2004-08-24
6650787 Encoding rate controlling apparatus and information encoding apparatus Tsutomu Takahashi, Donghua Liu 2003-11-18
6625214 Apparatus and method for fade detecting and information encoding Tsutomu Takahashi 2003-09-23