Patents by Inventor Katsumi Masuda
Katsumi Masuda has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7043182Abstract: A developing device includes a developer carrier and a developer regulating member including a developer regulating part opposing a surface of the developer carrier to regulate the developer carried and conveyed by the developer carrier. The developer regulating member is formed from a single metallic member and includes a space that faces an inner surface of the metallic member. The space extends in a direction perpendicular to a moving direction of the surface of the developer carrier. The developing device can include a cooling device that cools the developer regulating member from an inner surface side of the metallic member facing the space.Type: GrantFiled: September 22, 2003Date of Patent: May 9, 2006Assignee: Ricoh Company, Ltd.Inventors: Kiyotaka Sakai, Kazuyuki Sugihara, Junichi Terai, Kazuhisa Sudo, Katsumi Masuda, Hiroyuki Nagashima, Hideki Kimura
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Publication number: 20060029435Abstract: It is an object of the present invention to provide a process unit and an image forming apparatus in which generation of loss of image density due to flying off of developer and the edge effect occurring as a side-effect under developing conditions aimed at improving development performance can be reduced, even when a DC bias development system is adopted, and which can suppress developing density unevenness caused by impact occurring on contact of the teeth of gears in the drive system.Type: ApplicationFiled: August 5, 2005Publication date: February 9, 2006Inventors: Tadashi Kasai, Hideki Kimura, Tsuyoshi Imanura, Katsumi Masuda, Hideo Yoshizawa, Kiyotaka Sakai
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Publication number: 20050281589Abstract: An image forming method and apparatus includes a development device in which two rotary shafts enclosed in respective separate chambers for spirally circulating the developer between the two chambers to supply the developer to a development roller. The development device is provided with an extended circulation enclosure having a fill opening communicating with the two chambers.Type: ApplicationFiled: June 16, 2005Publication date: December 22, 2005Inventors: Kiyotaka Sakai, Hideo Yoshizawa, Katsumi Masuda, Hideki Kimura, Tsuyoshi Imamura
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Publication number: 20050111882Abstract: An image forming apparatus whereby it is possible to prevent unevenness in developing density caused by misalignment between the central axes of a driven side rotational coupling section for rotating a developer carrier and a drive side rotational coupling section for transmitting rotational drive force to the driven side rotational coupling section. The driven side rotational coupling section is fixed and the position thereof can be corrected slightly, by engaging the driven side rotational coupling section with a drive side rotational coupling section. A transmission gear is provided which meshes with the driven side rotational coupling section and transmits rotational drive force used to move the surface of the developer carrier. By means of an axle provided on at least one end of the transmission gear engaging with a positioning member on the main body of the image forming apparatus, the developer carrier is positioned in the main body of the image forming apparatus.Type: ApplicationFiled: September 20, 2004Publication date: May 26, 2005Inventors: Kazuhisa Sudo, Kazuyuki Sugihara, Hideo Yoshizawa, Katsumi Masuda, Hideki Kimura, Kiyotaka Sakai, Tsuyoshi Imamura
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Publication number: 20050031374Abstract: An image forming apparatus includes an image forming mechanism and an image bearing member. The image forming mechanism is configured to form an image. The image bearing mechanism is detachably provided to the image forming apparatus. The image bearing mechanism includes an image bearing member configured to bear the image formed by the image forming mechanism, and a through shaft configured to support the image bearing member.Type: ApplicationFiled: June 30, 2004Publication date: February 10, 2005Inventors: Hiroyuki Nagashima, Kazuyuki Sugihara, Katsumi Masuda, Hideki Kimura, Kiyotaka Sakai, Kazuhisa Sudo, Tsuyoshi Imamura
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Publication number: 20040114971Abstract: A developing device includes a developer carrier and a developer regulating member including a developer regulating part opposing a surface of the developer carrier to regulate the developer carried and conveyed by the developer carrier. The developer regulating member is formed from a single metallic member and includes a space that faces an inner surface of the metallic member. The space extends in a direction perpendicular to a moving direction of the surface of the developer carrier. The developing device can include a cooling device that cools the developer regulating member from an inner surface side of the metallic member facing the space.Type: ApplicationFiled: September 22, 2003Publication date: June 17, 2004Inventors: Kiyotaka Sakai, Kazuyuki Sugihara, Junichi Terai, Kazuhisa Sudo, Katsumi Masuda, Hiroyuki Nagashima, Hideki Kimura
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Patent number: 6090815Abstract: The present invention provides a pyrimidinyloxyalkanamide derivative represented by Formula (I): ##STR1## (wherein R.sup.1 represents a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.3 -C.sub.6 cycloalkyl group, or the like, R.sup.2 represents a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.4 haloalkyl group, or the like, R.sup.3 represents a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group, a halogen atom, or the like, R.sup.4 represents a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group, or the like, Q represents a cyano group, a C.sub.1 -C.sub.6 alkoxycarbonyl group, or the like, and A represents an oxygen atom or a sulfur atom) and a novel agricultural or horticultural fungicide including the same as an active ingredient.The agricultural or horticultural fungicides according to the present invention have excellent controlling effects with regard to rice blast, which are apparently excellent controlling effects as compared with the known compounds.Type: GrantFiled: April 30, 1999Date of Patent: July 18, 2000Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Katsumi Masuda, Ikumi Urushibata, Tsuyoshi Asahara, Katsumi Furuse, Yoshiyuki Kojima, Norimichi Muramatsu
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Patent number: 6075055Abstract: A phenylalkane amide compound having the formula (1): ##STR1## wherein R.sup.1 -R.sup.4, X, n, Y, Z and Q are as defined herein. The compound is useful as an agricultural or horticultural fungicide.Type: GrantFiled: December 1, 1997Date of Patent: June 13, 2000Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Katsumi Masuda, Ikumi Urushibata, Tsuyoshi Asahara, Katsumi Furuse, Yoshiyuki Kojima, Hiroshi Abe
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Patent number: 5946529Abstract: An image forming apparatus of the present invention includes a charging device made up of a charge roller and a roller cleaning member for cleaning the charge roller. The charge roller is held in contact with a photoconductive element and uniformly charges the element while being driven by the element. The roller cleaning member is held in contact with the charge roller in order to remove impurities from the roller. The charge roller has a resistance ranging from 1.times.10.sup.3 .OMEGA. to 1.times.10.sup.7 .OMEGA.. The cleaning device exhibits a stable charging ability over a long time of use without resorting to a mechanism for moving the charge roller into and out of contact with the photoconductive element or for moving the roller cleaning member into and out of contact with the charge roller.Type: GrantFiled: October 17, 1997Date of Patent: August 31, 1999Assignee: Ricoh Company, Ltd.Inventors: Masumi Sato, Toshiyuki Uchida, Katsumi Masuda, Masato Yokoyama, Takaya Muraishi
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Patent number: 5878317Abstract: An electrophotographic method and apparatus includes a frame having a used toner inlet, a new toner inlet and a combined toner outlet. Opposing sides of the frame are positioned at predetermined angles with respect to a horizontal line extending from a bottom of the frame. The used toner inlet is positioned in an upper portion of the frame next on one of the sides positioned at a predetermined angle, while the new toner inlet is also positioned in the upper portion of the frame, but next to the other side. The predetermined angle of the frame's side that is next to the used toner inlet is at a greater angle than the other side so as to compensate for any degradation in the flow characteristic of the used toner as a result of the recycling process. The frame is configured to interface with a new toner bottle having an opening that cooperates with the new toner inlet. Accordingly, when the new toner supply is exhausted, the new toner bottle may easily be replaced without having to remove any other components.Type: GrantFiled: November 12, 1997Date of Patent: March 2, 1999Assignee: Ricoh Company, Ltd.Inventors: Katsumi Masuda, Takaya Muraishi, Masato Yokoyama, Masumi Sato, Toshiyuki Uchida
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Patent number: 5763616Abstract: The present invention provides an indazolesulfonylurea derivative represented by the general formula: ##STR1## ?wherein R.sup.1 is a hydrogen atom or an alkyl group, etc., R.sup.2 and R.sup.3 are the same or different and represent a hydrogen atom, a halogen atom, an alkyl group, the formula --COR.sup.4 (wherein R.sup.4 represents an alkoxy group, etc.), an alkoxy group, a haloalkoxy group or a cyano group, etc., X is an oxygen atom or a sulfur atom, Y is a hydrogen atom or an alkyl group, etc., A and B are the same or different and represent a halogen atom, an alkoxy group or an alkyl group, etc., and Z represents a nitrogen atom or a methine group!, as well as a herbicide containing it as an active ingredient and an intermediate for its production.The compound of the present invention exhibits excellent herbicidal effects over a wide range from the preemergence stage to the growing stage of various weeds which are problematic in agricultural fields.Type: GrantFiled: January 7, 1997Date of Patent: June 9, 1998Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Chiharu Suzuki, Katsumi Masuda, Masatoshi Tamaru, Masahito Inamori, Nobuo Takefuji, Katsutada Yanagisawa, Yasunori Ogawa
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Patent number: 5670452Abstract: The present invention provides an indazolesulfonylurea derivative represented by the general formula: ##STR1## wherein R.sup.1 is a hydrogen atom or an alkyl group, etc., R.sup.2 and R.sup.3 are the same or different and represent a hydrogen atom, a halogen atom, an alkyl group, the formula --COR.sup.4 (wherein R.sup.4 represents an alkoxy group, etc.), an alkoxy group, a haloalkoxy group or a cyano group, etc., X is an oxygen atom or a sulfur atom, Y is a hydrogen atom or an alkyl group, etc., A and B are the same or different and represent a halogen atom, an alkoxy group or an alkyl group, etc., and Z represents a nitrogen atom or a methine group, as well as a herbicide containing it as an active ingredient and an intermediate for its production.The compound of the present invention exhibits excellent herbicidal effects over a wide range from the preemergence stage to the growing stage of various weeds which are problematic in agricultural fields.Type: GrantFiled: April 9, 1996Date of Patent: September 23, 1997Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Chiharu Suzuki, Katsumi Masuda, Masatoshi Tamaru, Masahito Inamori, Nobuo Takefuji, Katsutada Yanagisawa, Yasunori Ogawa
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Patent number: 5534481Abstract: The present invention provides an indazolesulfonylurea derivative represented by the general formula: ##STR1## [wherein R.sup.1 is a hydrogen atom or an alkyl group, etc., R.sup.2 and R.sup.3 are the same or different and represent a hydrogen atom, a halogen atom, an alkyl group, the formula --COR.sup.4 (wherein R.sup.4 represents an alkoxy group, etc.), an alkoxy group, a haloalkoxy group or a cyano group, etc., X is an oxygen atom or a sulfur atom, Y is a hydrogen atom or an alkyl group, etc., A and B are the same or different and represent a halogen atom, an alkoxy group or an alkyl group, etc., and Z represents a nitrogen atom or a methine group], as well as a herbicide containing it as an active ingredient and an intermediate for its production.The compound of the present invention exhibits excellent herbicidal effects over a wide range from the preemergence stage to the growing stage of various weeds which are problematic in agricultural fields.Type: GrantFiled: January 30, 1995Date of Patent: July 9, 1996Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Chiharu Suzuki, Katsumi Masuda, Masatoshi Tamaru, Masahito Inamori, Nobuo Takefuji, Katsutada Yanagisawa, Yasunori Ogawa
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Patent number: 5418212Abstract: The present invention provides a novel alkanoic acid amide derivative of the formula, ##STR1## (wherein R.sup.1 is a hydrogen atom, an alkyl group or an alkoxyalkoxy group, R.sup.2 is a group of --SO.sub.2 R or a hydroxyl group, R.sup.5 is an alkyl group, R.sup.3 is an alkyl group, a cycloalkyl group, a cycloalkenyl group or a phenyl group, R.sup.4 is a hydrogen atom or an alkyl group, X and Y may be the same or different and are an alkoxy group, an alkylamino group or a dialkylamino group, and Z is a methine group or a nitrogen atom) and its salt, a process for preparing the same and a herbicidal composition containing the same as an effective ingredient.This compound kills annual and perennial weeds grown in paddy fields and upland fields at a small dose, and is safe to a useful crop plant.Type: GrantFiled: April 27, 1993Date of Patent: May 23, 1995Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Takumi Yoshimura, Keiji Toriyabe, Katsumi Masuda, Ryo Hanai
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Patent number: 5411934Abstract: The present invention provides a novel alkanoic acid amide derivative of the formula, ##STR1## (wherein R.sup.1 is a hydrogen atom, an alkyl group or an alkoxyalkoxy group, R.sup.2 is a group of -SO.sub.2 R or a hydroxyl group, R.sup.5 is an alkyl group, R.sup.3 is an alkyl group, a cycloalkyl group, a cycloalkenyl group or a phenyl group, R.sup.4 is a hydrogen atom or an alkyl group, X and Y may be the same or different and are an alkoxy group, an alkylamino group or a dialkylamino group, and Z is a methine group or a nitrogen atom) and its salt, a process for preparing the same and a herbicidal composition containing the same as an effective ingredient.This compound kills annual and perennial weeds grown in paddy fields and upland fields at a small dose, and is safe to a useful crop plant.Type: GrantFiled: July 30, 1992Date of Patent: May 2, 1995Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Takumi Yoshimura, Keiji Toriyabe, Katsumi Masuda, Ryo Hanai
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Patent number: 4992438Abstract: Disclosed are pyrimidine derivatives represented by general formula (I) ##STR1## wherein X represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a haloalkyl group or a cyano group; Y.sup.1 represents an alkyl group, a cyanoalkyl group, an alkoxy group, an alkenyl group substituted with a hydroxy group and a halogen atom, an alkynyl group which may be substituted with a hydroxy group, a methylamino group, an alkoxyalkyloxy group, an alkylthioalkyl group or a group of the formula --CH.sub.2 OR.sup.1 where R.sup.1 represents a hydrogen atom, an alkyl group, an alkenyl group or an alkynyl group; Y.sup.2 represents a halogen atom, an alkyl group or a haloalkyl group; R represents a hydrogen atom, an alkyl group, a nitroso group, an alkoxyalkyl group, an alkoxyalkyloxyalkyl group, an alkenyl group, an alkynyl group, a formyl group or an alkylthioalkyl group, with the proviso that (a) when Y.sup.1 represents an alkynyl grop or when Y.sup.1 represents an alkoxy group and Y.sup.Type: GrantFiled: April 20, 1990Date of Patent: February 12, 1991Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Shigekazu Ito, Katsumi Masuda, Shoji Kasano, Toshihiro Nagata, Yoshiyuki Kojima, Nobumitsu Sawai, Shinichiro Maeno
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Patent number: 4988704Abstract: Disclosed are pyrimidine derivatives represented by general formula ##STR1## wherein Z.sup.1 represents an alkynyl group, an alkenyl group, an alkoxy group, an alkenyloxy group, or an alkynyloxy group which may be substituted with a halogen atom, and Z.sup.2 represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, or a group of the formula ##STR2## where Z.sup.3 represents a hydrogen atom or a methyl group; or its salt, and processes for preparing same. Also, agricultural or horticultural compositions containing the pyrimidine derivatives as active ingredient are disclosed, which show high controlling activities for cucumber gray mold (Botrytis cinerea), cucumber downey mildew (Pseudoperonospora cubensis), Alternaria sooty spot of Chinese mustard (Alternaria brassicicola), rice blast (Pyricularia oryzae), etc.Type: GrantFiled: March 20, 1989Date of Patent: January 29, 1991Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Shigekazu Ito, Katsumi Masuda, Shoji Kusano, Toshihiro Nagata, Yoshiyuki Kojima, Nobumitsu Sawai, Shin-ichiro Maeno
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Patent number: 4814338Abstract: Disclosed are pyrimidine derivatives represented by general formula ##STR1## wherein Z.sup.1 represents an alkynyl group, an alkenyl group, an alkoxy group, an alkenyloxy group, or an alkynyloxy group which may be substituted with a halogen atom, and Z.sup.2 represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, or a group of the formula ##STR2## where Z.sup.3 represents a hydrogen atom or a methyl group; or its salt; and processes for preparing same. Also, agricultural or horticultural compositions containing the pyrimidine derivatives as active ingredient are disclosed, which show high controlling activities for cucumber gray mold (Botrytis cinerea), cucumber downey mildew (Pseudoperonospora cubensis), Alternaria sooty spot of Chinese mustard (Alternaria brassicicola), rice blast (Pyricularia oryzae), etc.Type: GrantFiled: October 29, 1986Date of Patent: March 21, 1989Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Shigekazu Ito, Katsumi Masuda, Shoji Kusano, Toshihiro Nagata, Yoshiyuki Kojima, Nobumitsu Sawai, Shin-ichiro Maeno
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Patent number: 4199958Abstract: A chilling apparatus for broiler carcasses comprises a chilling room, a conveyor for continuously conveying the carcasses, an air chilling unit for feeding cold air to chill the carcasses in the process of conveyance, and a device for spraying water onto the carcasses during the process of conveyance and chilling, whereby the surfaces of the carcasses are moistened by the water spray and then chilled by cold air.Type: GrantFiled: September 6, 1978Date of Patent: April 29, 1980Assignees: Daiken Kogyo Co., Ltd., Daikin Plant Co., Ltd., Ijichi Shukeijo Co., Ltd.Inventors: Katsumi Masuda, Fumiaki Okada, Yoshihiro Nishioka
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Patent number: D334771Type: GrantFiled: October 11, 1990Date of Patent: April 13, 1993Assignee: Ricoh Company, Ltd.Inventors: Takefumi Adachi, Hiroshi Ishii, Katsumi Masuda