RD

Ryuji Doi

TC Toppan Printing Co.: 6 patents #114 of 1,467Top 8%
NC Nippon Paper Industries Co.: 2 patents #176 of 535Top 35%
Overall (All Time): #607,249 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12415916 Dispersion resin composition Shunji Sekiguchi, Fumiyasu SAKAKIBARA, Takao Yoshimoto, Ryo Koike 2025-09-16
12071499 Modified polyolefin resin and dispersion composition thereof Ryo Koike, Fumiyasu SAKAKIBARA, Shunji Sekiguchi 2024-08-27
11614574 Coloring composition for solid-state imaging element Tomotaka Chuko, Kenji Hiki, Kazushige Kitazawa, Shinichi Okamoto, Tetsuya Hirota +2 more 2023-03-28
10416523 Electrophoretic display device and method of manufacturing the same Akira Emori, Kayo Shoji 2019-09-17
9664977 Electrophoretic display device and method of manufacturing the same Akira Emori, Kayo Shoji 2017-05-30
8335035 Multi color display panel and method for manufacturing the same Takashi Miyamoto, Tomoyuki Syukunami, Fumihiko Nakatsu 2012-12-18
8169691 Multi color display panel Takashi Miyamoto, Tomoyuki Syukunami, Fumihiko Nakatsu 2012-05-01
8064126 Color electrophoresis type display medium panel Takashi Miyamoto, Tomoyuki Syukunami, Fumihiko Nakatsu 2011-11-22