DK

Daisuke Kuboshima

KM Kyocera Mita: 11 patents #20 of 763Top 3%
KS Kyocera Document Solutions: 2 patents #1,010 of 1,545Top 70%
Overall (All Time): #383,847 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9141007 Monolayer type photoconductor and image forming device Kazunari Hamasaki, Yuko Iwashita, Keiji Maruo, Shiho Kuboshima 2015-09-22
8686133 Oxo-titanylphthalocyanine crystal, method for producing the same and electrophotographic photoreceptor Jun Azuma, Yoshio Inagaki, Junichiro Otsubo, Keiji Maruo 2014-04-01
8679710 Electrophotographic photoreceptor and image forming apparatus Eiichi Miyamoto, Kazunari Hamasaki, Norio Nakai, Yoshio Inagaki, Hideki Okada +2 more 2014-03-25
8242261 Oxo-titanylphthalocyanine crystal, method for producing the same, and electrophotographic photoreceptor Jun Azuma, Yoshio Inagaki, Junichiro Otsubo, Keiji Maruo 2012-08-14
7838191 Electrophotographic photoconductor having titanyl phthalocyanine and image forming apparatus Kazunari Hamasaki, Yuko Iwashita 2010-11-23
7754402 Electrophotographic photoconductive member and image forming apparatus Kazunari Hamasaki, Shiho Kuboshima, Yuko Iwashita 2010-07-13
7700251 Electrophotographic photoconductor and image-forming apparatus Norio Nakai, Kazunari Hamasaki, Yoshio Inagaki, Hideki Okada, Tetsuya Ichiguchi +1 more 2010-04-20
7416825 Single layer type electrophotographic photoconductor and image forming device Kazunari Hamasaki, Norio Nakai 2008-08-26
7101647 Electrophotosensitive material Jun Azuma, Kazunari Hamasaki, Hisakazu Honma 2006-09-05
7057034 Titanyl phthalocyanine crystal and production method of the same, and electrophotosensitive material Kazunari Hamasaki, Hisakazu Honma, Jun Azuma, Eiichi Miyamoto 2006-06-06
6653034 Stilbeneamine derivative and electrophotosensitive material using the same Yoshio Inagaki 2003-11-25
6528645 Titanyl phthalocyanine crystal and production method of the same, and electrophotosensitive material and production method of the same Kazunari Hamasaki, Yukimasa Watanabe, Hirofumi Kawaguchi, Mitsuo Ihara, Susumu Hiroshima 2003-03-04
6444385 Electrophotosensitive material and method of producing the same Jun Azuma, Mitsuo Ihara, Maki Uchida, Yukikatsu Imanaka, Hiromi Nakatsu +1 more 2002-09-03