Patents by Inventor Masaaki Nakai
Masaaki Nakai 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: 6294190Abstract: An antiobestic agent of the present invention having antiobestic effect, carbohydrase inhibitory effect, blood sugar increase inhibitory effect, monosaccharide absorption inhibitory effect, cholic acid adsorptive excretion promoting effect, cholesterol lowering effect, blood triglyceride lowering effect and lipase inhibitory effect and being useful not only as an antiobestic agent but also as an antilipotrophic agent, an antihyperlipemic agent, an antiarteriosclerotic agent and an antidiabetic agent. Tamarind seed coat extract containing a large amount of procyanidin, which is a trimer represented by the following formula and serves as the active ingredient in the present invention, exhibits a potent antiobestic effect as such without the need for further purification.Type: GrantFiled: August 22, 1997Date of Patent: September 25, 2001Assignee: Suntory LimitedInventors: Koichi Nakahara, Masaaki Nakai, Yukiyoshi Tamura
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Patent number: 6018631Abstract: A camera in which the ratio of an object to the photographing frame can be set comprises a varifocal lens in which the in-focus position is changed in accordance with the change in the focal lens and a focusing lens for correcting the focus by the varifocal lens. The size of the object is set to the desired size by using the varifocal lens, and thereafter the deviation of the in-focus point is controlled by the focusing lens. Since the zooming is carried out by using a varifocal lens, a camera can be provided in which the ratio of an object to the photographing frame can be set in a simple structure.Type: GrantFiled: December 14, 1994Date of Patent: January 25, 2000Assignee: Minolta Co., Ltd.Inventors: Nobuyuki Taniguchi, Masaaki Nakai, Takanobu Omaki, Tokuji Ishida, Hisayuki Masumoto, Hisashi Tokumaru, Tsuneyo Metabi
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Patent number: 5690893Abstract: An analyzer includes an exchangeable and consumable element such as a sensor, column or reagent the characteristic of which specifies an analyzing condition. The element is provided with a non-volatile semiconductor memory which holds an analyzing condition adapted for the element as data. When the element is mounted on an analyzer body, a controller of the analyzer reads the analyzing condition from the memory to update an analyzing condition inherently provided in the analyzer body. The result of analysis and/or operational history information of use of the element may be written into the memory with which the element is provided.Type: GrantFiled: June 5, 1995Date of Patent: November 25, 1997Assignee: Hitachi, Ltd.Inventors: Satoshi Ozawa, Takafumi Kikuchi, Yoshiki Murakami, Masaaki Nakai, Koutarou Yamashita, Toshiko Fujii, Yuji Miyahara, Yoshio Watanabe
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Patent number: 5659820Abstract: A camera having a covering member which covers the upper side of the camera and having a projecting portion shaped as a pentagonal reflecting member; a first manually operable portion located at the covering member on one side of the projecting portion for designating one of a plurality of kinds of photographic data; a second manually operable portion located at the covering member on the other side of the projecting portion and adapted for commonly altering any of the plurality of kinds of photographing data to actually alter the designated one thereof in combination with the actual designation by the first manually operable portion; a light measuring device for measuring the luminance of the object to be photographed; a calculator for carrying out an exposure calculation based on the result of the light measuring; a display portion for displaying at least either one of shutter speed and aperture value obtained by the exposure calculation; and a display controller for controlling the display such that, whenType: GrantFiled: October 8, 1993Date of Patent: August 19, 1997Assignee: Minolta Camera Kabushiki KaishaInventors: Nobuyuki Taniguchi, Masatake Niwa, Akira Fujii, Takeo Hoda, Masaaki Nakai, Minoru Sekida, Masayoshi Sahara
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Patent number: 5640223Abstract: A camera having a lens, whereby a power source in the camera is activated in response to a mechanical switch on the lens.Type: GrantFiled: December 28, 1995Date of Patent: June 17, 1997Assignee: Minolta Camera Kabushiki KaishaInventors: Nobuyuki Taniguchi, Masaaki Nakai, Takanobu Omaki, Tokuji Ishida, Hisayuki Masumoto, Hisashi Tokumaru, Tsuneyo Metabi
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Patent number: 5627622Abstract: In a camera having a function or recording a scope of printing (printing scope) in an exposed picture of a film, under a panoramic photography mode, that is, a mode in which the ratio of the horizontal dimension to the vertical dimension of a printing scope is larger than that of a standard picture from a film, an aperture is controlled to be smaller than in standard photography.Type: GrantFiled: March 6, 1995Date of Patent: May 6, 1997Assignee: Minolta Camera Kabushiki KaishaInventors: Hiroshi Ootsuka, Shigeru Wada, Junichi Tanii, Hiroshi Ueda, Kohtaro Hayashi, Masaaki Nakai, Hiroyuki Okada
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Patent number: 5369460Abstract: A camera in which the ratio of an object to the photographing frame can be set comprises a varifocal lens in which the in-focus position is changed in accordance with the change in the focal lens and a focusing lens for correcting the focus by the varifocal lens. The size of the object is set to the desired size by using the varifocal lens, and thereafter the deviation of the in-focus point is controlled by the focusing lens. Since the zooming is carried out by using a varifocal lens, a camera can be provided in which the ratio of an object to the photographing frame can be set in a simple structure.Type: GrantFiled: September 8, 1993Date of Patent: November 29, 1994Assignee: Minolta Camera Kabushiki KaishaInventors: Nobuyuki Taniguchi, Masaaki Nakai, Takanobu Omaki, Tokuji Ishida, Hisayuki Masumoto, Hisashi Tokumaru, Tsuneyo Metabi
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Patent number: 5333030Abstract: A camera system including a camera body and a camera accessory attachable to the camera body, such as an interchangeable back lid, an interchangeable lens, a flash device and so on, is disclosed. In the system, a plurality of circuits provided in plurality of camera accessories are controlled by a microcomputer provided in the camera body. Data is transmitted between the microcomputer and the circuits using a serial data bus and synchronizing clock line connected therebetween. The circuit to receive the data sent from the microcomputer, or the circuit which should send the data to the microcomputer are selected by the microcomputer through chip select lines provided between the microcomputer and each circuit.Type: GrantFiled: November 6, 1992Date of Patent: July 26, 1994Assignee: Minolta Camera Kabushiki KaishaInventors: Yoshiiku Kikukawa, Masayuki Nakasa, Tadahiro Yoshida, Mashio Kitaura, Masaaki Nakai, Takanobu Omaki, Nobuyuki Taniguchi
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Patent number: 5311244Abstract: An exposure control device for a camera comprising; first means for measuring light from a central area of an object field, said first measuring means including a plurality of means for receiving light from different portions within the central area, respectively; second means for measuring light from a surrounding area other than the central area, the surrounding area being greater than each portion within the central area; means for selecting between a first exposure control mode and a second exposure control mode; and means for controlling exposure in accordance with one of said plurality of receiving means in said first exposure control mode, and in accordance with all of said plurality of receiving means and said second measuring means in said second exposure control mode.Type: GrantFiled: September 14, 1993Date of Patent: May 10, 1994Assignee: Minolta Camera Kabushiki KaishaInventors: Masaaki Nakai, Shuji Izumi, Akihiko Fujino, Nobuyuki Taniguchi, Toshio Yamaki, Hiromu Mukai
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Patent number: 5311245Abstract: A camera system operable with data carried from a camera accessory to a camera body. The camera accessory has a ROM for storing various data at a plurality of addresses, respectively, each of which data consists of a plurality of bits, and a coupling terminal for receiving a train of clock pulses from the camera body. A circuit is also provided for sequentially designating the address of the ROM one by one to permit the ROM to output data stored at the designated address. In the circuit, an address signal is formed in response to the clock pulses, received through the coupling terminal, for designating an address. The data derived from the ROM are transmitted to the camera body.Type: GrantFiled: December 20, 1991Date of Patent: May 10, 1994Assignee: Minolta Camera Kabushiki KaishaInventors: Masaaki Nakai, Masayoshi Sahara, Nobuyuki Taniguchi
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Patent number: 5274414Abstract: A camera in which the ratio of an object to the photographing frame can be set comprises a varifocal lens in which the in-focus position is changed in accordance with the change in the focal lens and a focusing lens for correcting the focus by the varifocal lens. The size of the object is set to the desired size by using the varifocal lens, and thereafter the deviation of the in-focus point is controlled by the focusing lens. Since the zooming is carried out by using a varifocal lens, a camera can be provided in which the ratio of an object to the photographing frame can be set in a simple structure.Type: GrantFiled: August 4, 1989Date of Patent: December 28, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Nobuyuki Taniguchi, Masaaki Nakai, Takanobu Omaki, Tokuji Ishida, Hisayuki Masumoto, Hisashi Tokumaru, Tsuneyo Metabi
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Patent number: 5272500Abstract: A flash photographing system includes a camera body, a flash controller connected to the camera body and three flash devices: the first flash device is directly mounted on the camera body; the second flash device is mounted on the flash controller; and the third flash device is connected through a suitable cord to the flash controller. A microcomputer is provided in the camera body and also in each of the flash devices so as to control the three flash devices in various different modes of operations, such as simultaneous flash mode, sequence flash mode, and yet providing an appropriate amount of light for the proper exposure.Type: GrantFiled: October 20, 1988Date of Patent: December 21, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Nobuyuki Taniguchi, Hiroshi Hosomizu, Kenji Tsuji, Takanobu Omaki, Masaaki Nakai
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Patent number: 5260735Abstract: A camera system being comprised of a camera and an external device is disclosed. The external device is detachably mounted on the camera which memorizes a program or data necessary for executing a program therein.When the external device is mounted on the camera, they are connected electrically with each other and communicate therebetween in order to read a program or data memorized in the external device into a memory means provided in the camera. The camera is controlled according to the program designated by the external device.Type: GrantFiled: June 19, 1992Date of Patent: November 9, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Norio Ishikawa, Masaaki Nakai, Masayasu Hirano, Akihiko Fujino, Hiroshi Ootsuka, Takeshi Egawa, Kunio Kawamura
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Patent number: 5258799Abstract: An auto focus camera includes a usual zoom lens and provides a pseudo focal length mode, in which the size of focus condition detecting area, to the photographing scene to be printed, is variable. A pseudo focal length is stored and a focus condition is detected in accordance with a ray of light passed through the zoom lens. When the camera is in such a mode as to continuously detect focus condition for keeping an object in focus, or to be operated when the contrast of the object whose focus condition is detected is low, the focal length of the zoom lens and the pseudo focal length are controlled respectively in accordance with the mode.Type: GrantFiled: March 11, 1992Date of Patent: November 2, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Junichi Tanii, Masaaki Nakai, Hiroyuki Okada, Hiroshi Ootsuka, Shigeru Wada, Kohtaro Hayashi, Hiroshi Ueda
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Patent number: 5249014Abstract: A camera system including a camera body and a camera accessory attachable to the camera body, such as an interchangeable back lid, an interchangeable lens, a flash device and so on, is disclosed. In the system, a plurality of circuits provided in plurality of camera accessories are controlled by a microcomputer provided in the camera body. Data is transmitted between the microcomputer and the circuits using a serial data bus and synchronizing clock line connected therebetween. The circuit to receive the data sent from the microcomputer, or the circuit which should send the data to the microcomputer are selected by the microcomputer through chip select lines provided between the microcomputer and each circuit.Type: GrantFiled: June 3, 1992Date of Patent: September 28, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Yoshiiku Kikukawa, Masayuki Nakasa, Tadahiro Yoshida, Mashio Kitaura, Masaaki Nakai, Takanobu Omaki, Nobuyuki Taniguchi
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Patent number: 5233384Abstract: The disclosure relates to the flash photographing system having a first exposure controlling mode and a second exposure controlling mode which includes a selecting device for selecting either the first exposure controlling mode or the second exposure controlling mode; a flash emitting device for emitting a flash; a controlling device for deciding whether or not a flash emission is required and allowing the second means to be in the state in which a flash can be emitted when a flash emission is required, and not allowing the second means to be in the state in which a flash can be emitted in the first exposure controlling mode when a flash emission is not required, and allowing the second means to be in the state in which a flash can be emitted every time a photograph is taken in the second exposure controlling mode.Type: GrantFiled: December 20, 1990Date of Patent: August 3, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Takehiro Katoh, Akihiko Fujino, Kenji Tsuji, Shuji Izumi, Masaaki Nakai, Nobuyuki Taniguchi
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Patent number: 5220368Abstract: A camera system including a camera body and a camera accessory attachable to the camera body, such as an interchangeable back lid, an interchangeable lens, a flash device and so on, is disclosed. In the system, a plurality of circuits provided in plurality of camera accessories are controlled by a microcomputer provided in the camera body. Data transmitted between the microcomputer and the circuits using a serial data bus and synchronizing clock line connected therebetween. The circuit to receive the data sent from the microcomputer, or the circuit which should send the data to the microcomputer are selected by the microcomputer through chip select lines provided between the microcomputer and each circuit.Type: GrantFiled: June 10, 1992Date of Patent: June 15, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Yoshiiku Kikukawa, Masayuki Nakasa, Tadahiro Yoshida, Mashio Kitaura, Masaaki Nakai, Takanobu Omaki, Nobuyuki Taniguchi
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Patent number: 5214465Abstract: The disclosure relates to an exposure calculation apparatus which includes plural light measuring devices for measuring lights incident on a plurality of regions of a photographing image plane and outputting measured data of the lights; plural devices for detecting the focusing conditions of objects present in a plurality of the regions of the photographing image plane and outputting data on the focusing conditions; a position detecting devices for detecting the position which a main object occupies in the photographing image plane on the data on the focusing condition outputted from the focusing conditions detecting devices; calculation device for making a plurality of calculations each of which is made depending on at least one of the data of measured lighs outputted from the light measuring devices; and selecting devices for selecting one of the plurality of calculations on the position detected by the position detecting devices and the data on the focusing conditions of the position.Type: GrantFiled: April 13, 1992Date of Patent: May 25, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Yasuteru Yamano, Takehiro Katoh, Akihiko Fujino, Kenji Tsuji, Shuji Izumi, Masaaki Nakai, Nobuyuki Taniguchi
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Patent number: 5164760Abstract: A camera exposure data setting device for setting exposure data in digital form in response to on or off of switches. A first switch actuating member is manually operable for changing mainly an exposure time value and is located at or about the position where a shutter speed setting dial is located conventional cameras, and a second switch actuating member is manually operable for changing mainly a diaphragm aperture value and is located at a position of the camera opposite from the position of the first switch member with respect to the vertical plane passing the optical axis of an objective lens.Type: GrantFiled: December 13, 1991Date of Patent: November 17, 1992Assignee: Minolta Camera Co., Ltd.Inventors: Akihiko Fujino, Manabu Inoue, Takanobu Omaki, Masaaki Nakai, Akira Fujii, Minoru Sekida
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Patent number: 5162835Abstract: The disclosure relates to an exposure calculation apparatus which includes plural light measuring devices for measuring lights incident on a plurality of regions of a photographing image plane and outputting measured data of the lights; plural devices for detecting the focusing conditions of objects present in a plurality of the regions of the photographing image plane and outputting data on the focusing conditions; a position detecting devices for detecting the position which a main object occupies in the photographing image plane on the data on the focusing condition outputted from the focusing conditions detecting devices; calculation device for making a plurality of calculations each of which is made depending on at least one of the data of measured lights outputted from the light measuring devices; and selecting devices for selecting one of the plurality of calculations on the position detected by the position detecting devices and the data on the focusing conditions of the position.Type: GrantFiled: August 15, 1990Date of Patent: November 10, 1992Assignee: Minolta Camera Kabushiki KaishaInventors: Yasuteru Yamano, Takehiro Katoh, Akihiko Fujino, Kenji Tsuji, Shuji Izumi, Masaaki Nakai, Nobuyuki Taniguchi