1
Kenichi Ohkura, Seizou Kitagawa, Masaru Takeuchi: Electrophotographic photoconductor and electrophotographic apparatus. Fuji Electric Imaging Device, Darby & Darby, November 26, 2002: US06485873 (16 worldwide citation)

A biphenyl derivative is included in a photosensitive layer of an electrophotographic photoconductor. The electrophotographic photoconductor includes a single-layer photosensitive layer coated on a conductive substrate. The photosensitive layer includes a resin binder, a charge generation substance, ...


2
Shinichi Tamura, Youichi Tei, Naoki Itoh, Kazumi Egota, Kenichi Ohkura: Electrophotographic photoreceptors including titanyloxyphthalocyanine crystals. Fuji Electric, April 7, 1998: US05736282 (13 worldwide citation)

An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer including a charge generation material and a charge transport material. The charge generation material is a titanyloxyphthalocyanine crystal having a maximum diffraction intensity observed at Bragg angle ...


3
Shinichi Tamura, Youichi Tei, Naoki Itoh, Kazumi Egota, Kenichi Ohkura: Titanyloxyphthalocyanine crystals, and method of preparing the same. Fuji Electric, Spencer & Frank, February 23, 1999: US05874570 (8 worldwide citation)

A titanyloxyphthalocyanine crystal to be used as a charge generation material for an electrophotographic photoreceptor, having a maximum diffraction intensity observed at Bragg angle (2 .theta.) of 9.6.degree..+-.0.2.degree. and clear peaks of diffraction intensity observed at 7.22.degree..+-.0.2.de ...


4
Kenichi Ohkura, Hiroyasu Yamada, Hiroshi Takemoto: Bicycle electricity generator and a method of attaching the electricity generator to a bicycle. Pioneer Precision Machinery Corporation, Nikaido Marmelstein Murray & Oram, December 14, 1999: US06002187 (8 worldwide citation)

A bicycle electricity generator is provided including an annular stator and an annular rotor, both of which are coaxially mounted on a bicycle wheel axle in a position between a bicycle wheel hub and a fork, wherein the stator is fixed either on the wheel axle or on the fork; the rotor is fixed in c ...


5

6
Shinichi Omokawa, Kenichi Ohkura, Seishi Terasaki, Yoshihiro Ueno, Kenji Kawate: Electrophotographic photoconductor and electrophotographic device using the same. Fuji Electric, Robert J Frank, Venable, October 3, 2000: US06127078 (4 worldwide citation)

An organic electrophotographic photoconductor diminished in an image trouble due to history of a transfer process in a reversal development system is disclosed. The above organic electrophotographic photoconductor is called a separated-function laminated type organic electrophotographic photoconduct ...


7
Masaru Takeuchi, Kenichi Ohkura: Electrophotographic photoconductor. Fuji Electric, Rossi & Associates, September 14, 1999: US05952139 (3 worldwide citation)

An electrophotographic photoconductor is provided which principally consists of an electrically conductive substrate, a charge generation layer, and a charge transport layer which contains an orange dye compound. Preferably, the orange dye compound is selected from the group consisting of 1-o-tolyla ...


8
Masaru Takeuchi, Kenichi Ohkura: Electrophotography photosensitive body and a electrophotography device equipped with the same. Darby & Darby, June 15, 2004: US06749979 (2 worldwide citation)

An electrophotography photosensitive body has a single layer photosensitive layer on top of a conductive substrate, directly or via an undercoat layer. The single layer photosensitive layer contains at least a resin binder, a charge generating substance, and a charge transport substance, wherein at ...


9

10
Kenichi Ohkura, Yoshihiro Ueno, Masami Kuroda, Nobuyuki Sekine: Electrophotographic photoreceptor, and electrophotographic apparatus using the same. Fuji Electric Imaging Device, February 8, 2005: US06852458

An electrophotographic photoreceptor has excellent electrical properties and is stable even upon repeated use. An electrophotographic apparatus using the electrophotographic photoreceptor uses a compound having an excellent electron transporting ability in a photosensitive layer of the electrophotog ...