Takeshi Koyama

KT Kabushiki Kaisha Toshiba: 1 patents #624 of 1,928Top 35%

Canon: 1 patents #1,172 of 2,554Top 50%

Overall (2003): #40,925 of 273,478Top 15%

Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6636079	Phase comparing circuit, PLL circuit, televisions broadcasting receiver, and method of comparing phase	—	2003-10-21
6515797	Viewfinder apparatus and optical apparatus having the same	—	2003-02-04