Patents by Inventor Masashi Yamada
Masashi Yamada 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: 6228893Abstract: Described is a cyclohexenone long-chain alcohol represented by the formula (1): wherein R1, R2 and R3 each independently represents a hydrogen atom or a methyl group and X represents a C10-18 alkylene or alkenylene group. The cyclohexanone long-chain alcohol according to the present invention has excellent neurite growth stimulating effects and is therefore useful as a preventive and/or therapeutic agent for Alzheimer's disease.Type: GrantFiled: February 14, 2000Date of Patent: May 8, 2001Assignee: Meiji Milk Products Co., Ltd.Inventors: Bang Luu, Gaby Schmitt, Florence Keyling, Celine Junges-Girlanda, Masashi Yamada, Yukie Suma
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Patent number: 6179155Abstract: The present invention relates to an insulated vessel which may be produced at low cost, has superior insulating capabilities and excellent volumetric efficiency, and which may be suitably employed in a thermos, cooler, icebox, insulated cup, thermal insulated lunch box, thermal insulated electric pot, heat retaining rice cooker, refrigerator or freezer box insulating material, or as an insulating layer in a bath tub. The insulated vessel of the present invention is characterized in the formation of an insulating layer in the space interval between the inner vessel and the outer vessel of a double walled vessel which is filled with a low thermoconductive gas consisting of at least one the gases of xenon, krypton, and argon, and in the disposition of a metallic heat radiation preventing material at the insulating layer.Type: GrantFiled: July 11, 1997Date of Patent: January 30, 2001Assignee: Nippon Sanso CorporationInventors: Yasuhiko Komiya, Masashi Yamada, Atsuhiko Tanaka, Seiichi Ito
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Patent number: 6152319Abstract: The present invention relates to a thermally insulated synthetic resin container, which is a thermally insulated container having a double walled structure and being made of synthetic resin, which reduces the thermal conduction loss from the mouth portion, and which has excellent thermally insulating performance capabilities.The thermally insulated synthetic resin container 1 of the present invention has an inner container 4 and an outer container 3, which are both made of synthetic resin and which are both connected at their respective mouth portions 12, 11 while providing a space portion in between the two containers. According to this thermally insulated synthetic resin container which is formed by having the space portion between the inner container 4 and the outer container 3 be a thermally insulating layer 6, a reduced thermal conductive portion 14 having a wall of reduced thickness is formed in the vicinity of the mouth portion 12 of the inner container 4.Type: GrantFiled: June 29, 1998Date of Patent: November 28, 2000Assignee: Nippon Sanso CorporationInventors: Hidefumi Kamachi, Masashi Yamada, Takafumi Fujii, Kensuke Furuyama, Atsuhiko Tanaka
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Patent number: 6123218Abstract: The invention relates to a construction for attaching a radiant heat blocking metal foil to an insulating layer of an insulated container. Heretofore, a construction for attaching a radiant heat blocking metal foil involves positioning, an adhesive or adhesive tape on the rear face of the metal foil to thereby attach the foil at a predetermined position. However this has the problem that the foil can be attached at an unintended position, so that accurate positioning is not achieved, and the fixing takes time.Type: GrantFiled: September 25, 1998Date of Patent: September 26, 2000Assignee: Nippon Sanso CorporationInventors: Takafumi Fujii, Masashi Yamada, Kensuke Furuyama, Atsuhiko Tanaka
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Patent number: 6119889Abstract: A transparent insulated container is provided which has a simple structure, which has superior temperature maintaining properties, and is transparent such that the contents housed within the insulated container can be visually checked from the sides.The transparent insulated container has a double-walled structure in which inner and outer containers formed from a transparent material such as glass or synthetic resin, are arranged so that a space is formed therebetween, and are made into a single body by joining the rims of their respective mouths and. A thermal radiation preventing layer through which visible rays can pass is formed on at least one of outer surface of inner container and inner surface of outer container which are on opposite sides of and face onto the space.Type: GrantFiled: June 7, 1999Date of Patent: September 19, 2000Assignee: Nippon Sanso CorporationInventors: Takafumi Fujii, Masashi Yamada, Kunio Matsuda
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Patent number: 6036801Abstract: A thermally insulated double-walled synthetic resin container having a thermal insulator layer filled with a low thermal conductivity gas, wherein the inner container and the outer container are formed from a chemical resistant resin, a hole portion is provided at the enter of the bottom wall of the outer container, this hole portion is sealed by a sealing panel formed from chemical resistant resin; a protrusion portion is formed on the thermal insulator layer side of the bottom central portion of the outer container and a depression portion aligned with the center of the protrusion portion is formed on the reverse side of this protrusion portion; or a metallic thin film layer is formed on the surfaces facing the thermal insulator layer aside from the area around the mouth; as a result of which the thermally insulated double-walled synthetic resin container is provided with exceptional thermal insulation capabilities and strength.Type: GrantFiled: September 16, 1997Date of Patent: March 14, 2000Assignee: Nippon Sanso CorporationInventors: Masashi Yamada, Hidefumi Kamachi, Yasuhiko Komiya, Takafumi Fujii, Kensuke Furuyama, Atsuhiko Tanaka, Rikiya Kato
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Patent number: 6010027Abstract: A thermally insulated synthetic resin container formed by providing, within a space formed in between an inner container and an outer container which are joined as a single body and forms a double walled synthetic resin container, a thermally insulating synthetic resin layer having a double wall structure, which has gas having low thermal conductivity having a thermal conductivity lower than that of air, filled between the two walls; and said thermally insulated synthetic resin container which comprises a thermally insulating layer supporting means for securing to said double walled container said thermally insulating layer provided in the space within said double walled container, thereby preventing the rattling of said thermally insulating layer, eliminates the need for forming the metal plating film, and has superior thermally insulating capabilities and durability, and manufacturing thereof is easy and inexpensive, recycling of the synthetic resin is easy, the rattling noise produced when consumers use thType: GrantFiled: November 19, 1997Date of Patent: January 4, 2000Assignee: Nippon Sanso CorporationInventors: Takafumi Fujii, Masashi Yamada, Kensuke Furuyama, Atsuhiko Tanaka, Hidefumi Kamachi
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Patent number: 5935468Abstract: The present invention relates to an insulated electrically heated pot which is provided with an insulated container and an electric heating apparatus disposed therewithin, into which insulated container a liquid such as water or the like is introduced and heated, and the temperature thereof is maintained, as well as to a manufacturing method therefor. In the insulated electrically heated pot in accordance with the present invention, at least one gas having a low conductivity selected from the group consisting of xenon, krypton, and argon is made to fill the insulating layer of the insulated container.Type: GrantFiled: August 1, 1997Date of Patent: August 10, 1999Assignee: Nippon Sanso CorporationInventors: Yoshiya Nishino, Masashi Yamada, Seiichi Ito
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Patent number: 5913445Abstract: An insulated synthetic resin container 1 is provided by forming a container having a double walled structure by integrating a synthetic resin inner container 4 and a synthetic resin outer container 3 separated by a space 5 and forming an insulating layer 6 by enclosing a gas having low thermal conductivity in space 5 of the above-mentioned container. This insulated synthetic resin container 1 comprises a gas replacement penetrating hole formed in the center of one of the synthetic resin inner container 4 and synthetic resin outer container 3; and a contact preventing projection 14 formed in the vicinity of this gas replacement penetrating hole 7 projecting into the insulating layer 6 from the surface in which this penetrating hole 7 is formed or from the opposite surface.Type: GrantFiled: March 19, 1998Date of Patent: June 22, 1999Assignee: Nippon Sanso CorporationInventors: Takafumi Fujii, Masashi Yamada, Kensuke Furuyama, Atsuhiko Tanaka, Hidefumi Kamachi
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Patent number: 5904264Abstract: A thermally insulated double-walled synthetic resin container having a thermal insulator layer filled with a low thermal conductivity gas, wherein the inner container and the outer container are formed from a chemical resistant resin, a hole portion is provided at the enter of the bottom wall of the outer container, this hole portion is sealed by a sealing panel formed from chemical resistant resin; a protrusion portion is formed on the thermal insulator layer side of the bottom central portion of the outer container and a depression portion aligned with the center of the protrusion portion is formed on the reverse side of this protrusion portion; or a metallic thin film layer is formed on the surfaces facing the thermal insulator layer aside from the area around the mouth; as a result of which the thermally insulated double-walled synthetic resin container is provided with exceptional thermal insulation capabilities and strength.Type: GrantFiled: September 10, 1996Date of Patent: May 18, 1999Assignee: Nippon Sanso CorporationInventors: Masashi Yamada, Hidefumi Kamachi, Yasuhiko Komiya, Takafumi Fujii, Kensuke Furuyama, Atsuhiko Tanaka, Rikiya Kato
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Patent number: 5896641Abstract: The present invention relates to an insulated container used for example as a cooler box, a thermos flask or an insulated lunch box, a suitable insulating material for such a container and a method for its manufacture. The insulated container of the present invention is made with an insulating layer between inner and outer walls of a double walled container with the inner and outer walls joined together as one, and has an insulating material, made by filling a bag with a low thermal conductivity gas comprising at least one of gases such as Xenon, Krypton and Argon, disposed between the inner and outer walls. The method of manufacturing the insulated container involves the steps of inserting a bag into the space of the double walled container, filling the bag inserted into the space with a low thermal conductivity gas, and then sealing the bag.Type: GrantFiled: May 12, 1997Date of Patent: April 27, 1999Assignee: Nippon Sanso CorporationInventors: Masashi Yamada, Seiichi Ito, Yasuhiko Komiya
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Patent number: 5846371Abstract: A thermally insulated container of the present invention is a double-walled container in an integral body in which an inner casing is arranged in an outer casing so as to maintain a space therebetween, wherein the space is charged with a gas having a low thermal conductivity, and an opening having a diameter of 0.1 to 3 mm for charging gas in a wall of either of the inner casing and the outer casing is sealed.Type: GrantFiled: April 21, 1997Date of Patent: December 8, 1998Assignee: Nippon Sanso CorporationInventors: Masashi Yamada, Yasuhiko Komiya, Atsuhiko Tanaka, Seiichi Ito
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Patent number: 5769262Abstract: A thermally-insulated double-walled container is disclosed made of synthetic resin which is formed by joining together an inner container and an outer container in a unitary fashion to form a space therebetween; wherein a thermoinsulating layer is formed in the space between the inner container and the outer container by filling the space with at least one low thermoconductive gas selected from the group consisting of xenon, krypton, and argon; and wherein the inner container and the outer container are multilayer molded from different synthetic resin materials. The container provides an excellent gas-barrier capacity without requiring plating of the outer surface of the inner container or the inner surface of the outer container in the double walled container and maintains its mechanical strength over a long period of time and having an excellent thermoinsulating capacity. The container is suitable as a thermos, cooler box, ice cooler, thermoinsulated cup, insulated lunch box, or the like.Type: GrantFiled: May 2, 1996Date of Patent: June 23, 1998Assignee: Nippon Sanso CorporationInventors: Masashi Yamada, Yasuhiko Komiya, Atsuhiko Tanaka, Seiichi Itoh, Hidefumi Kamachi
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Patent number: 5712465Abstract: An insulated electrically heated pot is provided with an insulated container and an electric heating apparatus disposed within the container. A liquid such as water is introduced and heated in the insulated container, and the temperature of the liquid is maintained. At least one gas having a low conductivity selected from the group consisting of xenon, krypton and argon fills the insulating layer of the insulated container. A method of manufacturing the heated pot is also disclosed.Type: GrantFiled: August 25, 1995Date of Patent: January 27, 1998Assignee: Nippon Sanso CorporationInventors: Yoshiya Nishino, Masashi Yamada, Seiichi Ito
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Patent number: 5706969Abstract: The present invention relates to an insulated container used for example as a cooler box, a thermos flask or an insulated lunch box, a suitable insulating material for such a container and a method for its manufacture. The insulated container of the present invention is made with an insulating layer between inner and outer walls of a double walled container with the inner and outer walls joined together as one, and has an insulating material, made by filling a bag with a low thermal conductivity gas comprising at least one of gases such as Xenon, Krypton and Argon, disposed between the inner and outer walls. The method of manufacturing the insulated container involves the steps of inserting a bag into the space of the double walled container, filling the bag inserted into the space with a low thermal conductivity gas, and then sealing the bag.Type: GrantFiled: March 27, 1995Date of Patent: January 13, 1998Assignee: Nippon Sanso CorporationInventors: Masashi Yamada, Seiichi Ito, Yasuhiko Komiya
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Patent number: 5682132Abstract: A vibrating module for generating a mainly non-audible alert signal comprises a vibrating mass supported by at least one spring and having a weight and a magnet. A drive coil is supported by a coil frame for placing the vibrating mass in a continuous reciprocating motion close to a resonant frequency determined by the vibrating mass and the spring. An electrical signal supplying device supplies an electrical signal to the drive coil to vibrate the vibrating mass in a linear reciprocating motion. A vibration transmitting device transmits the vibration of the vibrating mass via the spring to an outer portion of the vibrating module to generate a mainly non-audible alert signal.Type: GrantFiled: September 25, 1995Date of Patent: October 28, 1997Assignee: Seiko Instruments Inc.Inventors: Hidetoshi Hiroyoshi, Kazutoshi Otomo, Yoshibumi Nakamura, Reiko Kimura, Shinichi Hayashizaki, Yukio Saitoh, Mitsuyasu Osada, Masashi Yamada, Yoshietsu Ono, Osamu Takahashi
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Patent number: 5678725Abstract: A thermally insulated container of the present invention is a double-walled container in an integral body in which an inner casing is arranged in an outer casing so as to maintain a space therebetween, wherein the space is charged with a gas having a low thermal conductivity, and an opening having a diameter of 0.1 to 3 mm for charging gas in a wall of either of the inner casing and the outer casing is sealed.Type: GrantFiled: November 30, 1995Date of Patent: October 21, 1997Assignee: Nippon Sanso CorporationInventors: Masashi Yamada, Yasuhiko Komiya, Atsuhiko Tanaka, Seiichi Ito
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Patent number: 5638896Abstract: The present invention relates to a cold-hot storage box which can be used as a constant temperature box, a refrigerator for household use, or a freezer, and to a manufacturing method therefor. The cold-hot box of the present invention being characterized by the provision of an insulating container comprising a space of a double walled container made from an inner container and an outer container, enclosing at least one gas having low thermal conductivity selected from the group consisting of xenon, krypton, and argon.Type: GrantFiled: September 20, 1995Date of Patent: June 17, 1997Assignee: Nippon Sanso CorporationInventors: Yoshiya Nishino, Kunio Matsuda, Masashi Yamada, Seiichi Ito
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Patent number: 4717316Abstract: In a rotary compressor having a motor element and a compression element contained in a sealing case, an oil separating device for separating lubricating oil from an oil-containing refrigerant is attached on the rotor of the motor element. The oil separating device has a circular plate having a diameter substantially equal to the outer diameter of the rotor, wherein a channel-like recess projecting toward the rotor is formed in the circular plate at a position deviated from its central portion; the lower surface of the channel-like recess is adapted to be firmly connected to the upper surface of the rotor, and an aperture is formed at the central portion so that the discharge tube is loosely inserted in the aperture.Type: GrantFiled: April 28, 1987Date of Patent: January 5, 1988Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Shigeru Muramatsu, Shigeru Shida, Takeo Horie, Masashi Yamada
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Patent number: D381243Type: GrantFiled: March 29, 1996Date of Patent: July 22, 1997Assignee: Nippon Sanso CorporationInventors: Toru Goto, Takeshi Kuwana, Masashi Yamada, Takashi Kato