HK

Hisao Kouno

DC Dainichiseika Color & Chemicals Mfg. Co.: 4 patents #66 of 376Top 20%
📍 Funabashi, JP: #333 of 1,104 inventorsTop 35%
Overall (All Time): #1,290,215 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5569749 Organic photoconductive material and a photosensitive material for electronic photography using it Shyouichi Takahashi, Kazuhiro Higashide, Nakaji Komiyama, Osamu Suda, Masaru Hasegawa 1996-10-29
5506346 Organic photoconductive material and a photosensitive material for electronic photography using it Shyouichi Takahashi, Kazuhiro Higashide, Nakaji Komiyama, Osamu Suda, Masaru Hasegawa 1996-04-09
5344736 Disazo electrophotographic photoreceptor Nakaji Komiyama, Kazuhiro Higashide, Osamu Suda, Masaru Hasegawa 1994-09-06
4912001 Electrophotographic photoreceptor comprising azo compound and coupler Hiroaki Saikatsu, Osamu Suda, Tetsuhiro Umezaki, Norio Tanaka, Toshifumi Sekino +3 more 1990-03-27