1
Mamoru Kobayashi, Hideaki Sasaki, Kazuo Kato, Akio Kojima, Sigeru Ninomiya, Yoshihisa Tsuji: Computer-integrated manufacturing system and method. Hitachi, Hitachi Computer Engineering, Kenyon & Kenyon, July 27, 1993: US05231585 (82 worldwide citation)

A production management system for managing production by using a plurality of working devices arranged in the production processes includes a host management device for managing control data necessary for producing a product, working device managing terminals provided in correspondence with working ...


2
Kiyofumi Nagai, Akio Kojima, Masato Igarashi, Akiko Konishi, Hiroyuki Mochizuki, Masayuki Koyano, Ikuko Tanaka, Takanori Tsuyuki: Recording ink composition and recording method using the same. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, March 9, 1999: US05879439 (57 worldwide citation)

A recording ink composition includes a colorant comprising a pigment which is soluble or dispersible in water, and a polymeric dye having a weight average molecular weight in a range of 5,000 to 15,000, a dispersant including at least one dispersant component selected from the group consisting of at ...


3
Masao Yoshikawa, Masayuki Shoshi, Tetsuro Suzuki, Masakatsu Shimoda, Kaoru Teramura, Megumi Kawahara, Akio Kojima, Masaomi Sasaki, Masafumi Ohta: Positively-chargeable single-layered type electrophotographic photoconductor. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt, February 20, 1996: US05492784 (53 worldwide citation)

A positively-chargeable single-layered type organic electrophotographic photoconductor composed of an electroconductive support and an organic single-layered photoconductive layer containing a charge generating material, an organic positive hole transporting material and an organic acceptor compound ...


4
Kiyofumi Nagai, Akio Kojima, Masato Igarashi, Akiko Konishi, Hiroyuki Mochizuki, Takanori Tsuyuki, Masayuki Koyano, Ikuko Tanaka: Recording ink composition and recording method using the same. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, March 16, 1999: US05882390 (51 worldwide citation)

A recording ink composition contains a colorant which is soluble or dispersible in water and includes at least one phthalocyanine compound of formula (1) which may have a halogen atom as a substituent and at least one of phthalocyanine compounds of formulas (2) and (3); a dispersant which includes a ...


5
Kiyofumi Nagai, Akio Kojima, Masato Igarashi, Akiko Bannai, Hiroyuki Mochizuki, Takanori Tsuyuki, Ikuko Tanaka, Masayuki Koyano: Image recording method, image recording apparatus and image recording acceleration liquid. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, November 30, 1999: US05993524 (50 worldwide citation)

An image recording method for forming an image on a recording material, using a recording liquid which contains a coloring agent and a solvent in which the coloring agent is dispersed or dissolved, includes the steps of applying to a recording material a colorless or light colored image recording ac ...


6
Masayuki Koyano, Ikuko Yamada, Akio Kojima, Kiyofumi Nagai, Masato Igarashi, Akiko Konishi, Hiroyuki Mochizuki, Takanori Tsuyuki: Aqueous ink composition and ink-jet printing method using the same. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, October 26, 1999: US05972082 (48 worldwide citation)

An aqueous ink composition contains a colorant and a humectant, and has a surface tension .gamma. of less than 50 mN/m when measured by a maximum bubble pressure method at 25.degree. C., with a bubble frequency .nu. of the aqueous ink composition being set at less than 1 Hz, and a surface tension .g ...


7
Akio Kojima, Kazuyuki Murata, Yasuhiro Kuwahara, Naoki Takahashi: Image processing apparatus for reading an image by hand scanning. Matsushita Electric Industrial, Morrison & Foerster, September 7, 1999: US05949921 (45 worldwide citation)

A scanner for reading an original image by hand scanning usually detects scanning positions of the reading sensor on the original image sequentially and stores read image data into image memory according to said scanning positions. However, an area in which the image data is not stored may appear wh ...


8
Masayuki Koyano, Ikuko Yamada, Akio Kojima, Kiyofumi Nagai, Masato Igarashi, Akiko Konishi, Hiroyuki Mochizuki, Takanori Tsuyuki: Aqueous ink compositions and ink-jet printing method using the same. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, May 15, 2001: US06231652 (41 worldwide citation)

An aqueous ink composition contains a colorant and a humectant, and has a surface tension &ggr; of less than 50 mN/m when measured by a maximum bubble pressure method at 25° C., with a bubble frequency &ngr; of the aqueous ink composition being set at less than 1 Hz, and a surface tension &ggr; of m ...


9
Osamu Harada, Souhei Ikeda, Akio Kojima, Yoshihisa Watanabe, Keiichi Isozaki: Bar code reader. Hitachi, Hitachi Computer Engineering, Antonelli Terry & Wands, October 11, 1988: US04777357 (39 worldwide citation)

Bar codes and auxiliary characters representative of the contents of the bar codes are printed on an article which is limited with respect to the available space in distinguishably recognizable and superposed relations. By selecting appropriately the lightness of the auxiliary characters, reflected ...


10
Akiko Bannai, Akio Kojima, Kiyofumi Nagai, Masato Igarashi, Masayuki Koyano, Hiroyuki Mochizuki, Takanori Tsuyuki, Ikuko Tanaka: Set of color ink compositions for ink-jet printing and method of forming color images using the color ink set. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, September 19, 2000: US06120589 (35 worldwide citation)

A set of color ink compositions for ink-jet printing includes yellow, magenta and cyan ink composition, each of which having water, a water-soluble coloring agent, a wetting agent, a surfactant and an antiseptic and mildewproofing agent, and the yellow ink composition has the lightness index L* of 9 ...