1
Hiroshi Tamura, Naoshi Mishima, Yoshiaki Kawasaki: Electrophotographic photoconductor. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt, May 2, 1995: US05411827 (49 worldwide citation)

An electrophotographic photoconductor composed of an electroconductive substrate, and a photoconductive layer consisting of a charge generation layer and a charge transport layer successively formed on the substrate in this order, the charge transport layer containing a carbon-carbon double-bond-con ...


2
Hiroshi Tamura, Naoshi Mishima, Yoshiaki Kawasaki: Electrophotographic photoconductor. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt, March 5, 1996: US05496671 (43 worldwide citation)

An electrophotographic photoconductor composed of an electroconductive substrate, and a photoconductive layer consisting of a charge generation layer and a charge transport layer successively formed on the substrate in this order, the charge transport layer containing a carbon-carbon double-bond-con ...


3
Hiroko Iwasaki, Kenichi Aihara, Kyohji Hattori, Akihiko Okamoto, Yoshihiko Hotta, Naoshi Mishima, Tetsuo Watanabe: Optical data storage medium capable of reversibly displaying information. Ricoh Company, Cooper & Dunham, December 11, 2001: US06329035 (43 worldwide citation)

An optical data storage medium includes a substrate, an optical data storage layer overlaid on the substrate and a reversible image recording layer overlaid on the optical data storage layer, in which information is recorded in the reversible image recording layer so as to be visible. The reversible ...


4
Hiroshi Tamura, Toshio Fukagai, Naoshi Mishima, Masaomi Sasaki: Electrophotographic photoconductor and acrylic acid ester polymer for use in the same. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt, June 21, 1994: US05322753 (20 worldwide citation)

An electrophotographic photoconductor is composed of a substrate and a photoconductive layer formed thereon. The photoconductive layer is composed of a polymer including an acrylic acid ester moiety of formula (I) as repeat unit: ##STR1## wherein R.sup.1 represents hydrogen or a methyl group; R.sup. ...


5
Naoshi Mishima, Toshio Fukagai, Kiyoshi Taniguchi, Hiroyuki Kishi, Tomohiro Inoue, Yoshiaki Kawasaki: Electrophotographic image formation method. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt, August 16, 1994: US05339138 (19 worldwide citation)

An electrophotographic image formation method using an electrophotographic photoconductor composed of an electroconductive support, and a photoconductive layer including a charge generation layer and a charge transport layer which are successively overlaid on the support, having the steps of chargin ...


6
Hiroshi Tamura, Toshio Fukagai, Naoshi Mishima, Masaomi Sasaki: Polymers of acrylic acid ester derivatives having a triphenyl amine skeleton. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, March 4, 1997: US05608010 (17 worldwide citation)

An electrophotographic photoconductor is composed of a substrate and a photoconductive layer formed thereon. The photoconductive layer is composed of a polymer including an acrylic acid ester moiety of formula (I) as repeat unit: ##STR1## wherein R.sup.1 represents hydrogen or a methyl group; R.sup. ...


7
Hiroshi Tamura, Toshio Fukagai, Naoshi Mishima, Masaomi Sasaki: Acrylic acid ester derivative having a triphenyl amine skeleton. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt, January 30, 1996: US05488137 (11 worldwide citation)

An electrophotographic photoconductor is composed of a substrate and a photoconductive layer formed thereon. The photoconductive layer is composed of a polymer including an acrylic acid ester moiety of formula (I) as repeat unit: ##STR1## wherein R.sup.1 represents hydrogen or a methyl group; R.sup. ...


8
Hiroko Iwasaki, Kenichi Aihara, Kyohji Hattori, Akihiko Okamoto, Yoshihiko Hotta, Naoshi Mishima, Tetsuo Watanabe: Optical information memory medium and display recording method using the same. Ricoh Company, Cooper & Dunham, December 9, 2003: US06660452 (8 worldwide citation)

An optical information memory medium, including, in the stated order a substrate, an optical information memory layer which is capable of memorizing information therein, and a reversible display recording layer which is capable of rewritably recording therein, in a visibly recognizable form, at leas ...


9
Hiroko Iwasaki, Kenichi Aihara, Kyohji Hattori, Akihiko Okamoto, Yoshihiko Hotta, Naoshi Mishima, Tetsuo Watanabe: Optical information memory medium and display recording method using the same. c o COOPER & DUNHAM, October 3, 2002: US20020142236-A1

An optical information memory medium, including, in the stated order a substrate, an optical information memory layer which is capable of memorizing information therein, and a reversible display recording layer which is capable of rewritably recording therein, in a visibly recognizable form, at leas ...