KN

Keiichi Negishi

FC Fuji Photo Optical Co.: 2 patents #214 of 509Top 45%
FU Fujinon: 2 patents #115 of 339Top 35%
Overall (All Time): #1,258,615 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7042488 Electronic endoscope for highlighting blood vessel Mitsuru Higuchi, Daisuke Ayame, Kazunori Abe, Shinji Takeuchi 2006-05-09
6956602 Electronic endoscope for highlighting blood vessel Mitsuru Higuchi, Daisuke Ayame, Kazunori Abe, Shinji Takeuchi 2005-10-18
6618502 Color image processing method and apparatus Fujio Okada, Mitsuhisa Nakagawa 2003-09-09
6459447 Video signal transmission device Fujio Okada, Mitsuhisa Nakagawa 2002-10-01