NK

Nagatoshi Koumura

📍 Tsukuba, JP: #876 of 2,818 inventorsTop 35%
Overall (All Time): #1,228,390 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8519040 Ionic organic compound, production method thereof, hydrogelling agent composed of the ionic organic compound, hydrogel containing same, methanol gelling agent, methanol gel containing same, and carbon nanotube dispersant Masaru Yoshida, Harumi Ohyama, Nobuyuki Tamaoki 2013-08-27
8013241 Ionic gel electrolyte, dye-sensitized photoelectric conversion device and solar cell Koujirou Hara, Zhong-Sheng Wang, Masaru Yoshida, Nobuyuki Tamaoki 2011-09-06
7973172 Organic compound, semiconductor film electrode employing the organic compound, photoelectric conversion element employing the organic compound, and photoelectrochemical solar cell employing the organic compound Koujirou Hara 2011-07-05
7858799 Ionic organic compound Masaru Yoshida, Nobuyuki Tamaoki, Hajime Kawanami, Hajime Matsumoto, Said Kazaoui +1 more 2010-12-28