YN

Yoshihisa Naijo

Ricoh Company: 30 patents #620 of 9,818Top 7%
Overall (All Time): #123,332 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
8441713 Electrophoretic liquid and display device using electrophoretic liquid Ikue Kawashima, Masahiro Masuzawa, Masahiro Yanagisawa 2013-05-14
8384983 Electrochromic display device, fabrication method therefor, and driving method therefor Tohru Yashiro, Shigenobu Hirano, Koh Fujimura, Masahiro Yanagisawa, Masahiro Masuzawa +1 more 2013-02-26
8144117 Image display device and control method thereof Atsushi Okada, Masahiro Yanagisawa 2012-03-27
7952791 Electrophoretic particle, electrophoretic particle dispersion liquid, image display medium, and image display device Masahiro Yanagisawa 2011-05-31
7880955 Electrophoretic dispersion solution, image display medium using the same, and image display device using the same Masahiro Yanagisawa 2011-02-01