YK

Yukiko Katoh

AK Asahi Kasei Kabushiki Kaisha: 1 patents #556 of 1,220Top 50%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #1,570,024 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7751294 Information recording method, information recording apparatus, optical disk, program and computer readable recording medium Kohji Takeuchi, Kenya Yokoi 2010-07-06
7301581 Television receiver and method for receiving broadcast signal 2007-11-27
6306519 Coating material and film extremely excellent in barrier properties, and method for producing the same Hideki Sakai 2001-10-23