Patents by Inventor Shun Hasegawa
Shun Hasegawa 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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Publication number: 20220073434Abstract: Disclosed is a highly dense aggregate of brittle material particles having an interface at which the particles are bonded to each other and pores between the brittle material particles structuring the highly dense aggregate, where a porosity which is a volume ratio of the pores with respect to the whole of the highly dense aggregate is equal to or less than 20%, and a volume ratio of the pores communicating with an apparent outer surface of the highly dense aggregate with respect to a volume of all of the pores of the highly dense aggregate is equal to or higher than 65%.Type: ApplicationFiled: November 17, 2021Publication date: March 10, 2022Inventors: Muneyasu SUZUKI, Jun Akedo, Shusuke Kanazawa, Motoshi Itagaki, Shun Hasegawa, Tetsuo Tsuchiya, Hirobumi Ushijima
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Patent number: 6746792Abstract: A fuel cell separator composition containing an electrically conductive carbonaceous powder and a binder that is a mixture of a thermoset resin with a polyoxazine compound having a plurality of oxazine rings can be used to efficiently mass-produce high-modulus fuel cell separators of excellent dimensional stability and gas impermeability. By employing such fuel cell separators as some or all of the separators in a solid polymer fuel cell, there can be obtained solid polymer fuel cells which are not subject to cracking or breakage during assembly, have good gas sealing properties, and are endowed with excellent vibration and impact resistance.Type: GrantFiled: March 1, 2002Date of Patent: June 8, 2004Assignee: Nisshinbo Industries, Inc.Inventors: Shun Hasegawa, Gen Masuda, Yukiko Yano, Kazuo Saito, Atsushi Hagiwara
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Patent number: 6686536Abstract: This invention provides a method of forming an electrode section on the inner surface of the transparent, electromagnetic wave shielding plate, composed of a transparent substrate coated with an electroconductive member and transparent film in this order. These are laminated into a monolithic structure via a heat-bond film. (a) The components of the transparent, electromagnetic wave shielding plate are laminated by hot pressing into the monolithic structure, after replacing the perimeter or part of the heat-bond film corresponding to the electrode section by a frame member almost as thick as the heat-bond film. (b) The frame member and part of the outer transparent film are removed. Both of these correspond to the electrode section, or only the outer transparent film for the part corresponds to the electrode section. (c) The electroconductive section of the electroconductive member is exposed to the surface layer section by the above steps (a) and (b).Type: GrantFiled: October 5, 2001Date of Patent: February 3, 2004Assignees: Nisshinbo Industries, Inc., Hasegawa Chemical Industry Co., Ltd.Inventors: Masashi Tone, Shun Hasegawa, Gen Masuda, Yasushi Hasegawa, Yatsuhiro Hasegawa, Shigekazu Hasegawa
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Patent number: 6679971Abstract: The present invention provides a front plate for plasma display panels with the transparent substrate, electroconductive member and optical film fast adhered to each other, easily produced by a simple process, and excellent in productivity. The present invention further provides a method of producing the same. The present invention provides a front plate for plasma display panels comprising a transparent substrate laminated, at least on one side, with an electroconductive member and at least one type of optical film to form a monolithic structure, wherein (a) two types of adhesive layers of tackifier layer and heat-bond film are orderly placed between the optical film as the outermost layer and the adjacent member, and (b) the transparent substrate, electroconductive member and at least one type of optical film are pressed under heating.Type: GrantFiled: August 9, 2001Date of Patent: January 20, 2004Assignees: Nisshinbo Industries, Inc., Hasegawa Chemical Industry Co., Ltd.Inventors: Masashi Tone, Shun Hasegawa, Gen Masuda, Yasushi Hasegawa, Yatsuhiro Hasegawa, Shigekazu Hasegawa
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Patent number: 6607817Abstract: A melamine resin foam endowed with excellent oil repellency and which is improved in fragility without deteriorating the superior properties inherently possessed by melamine resin foams. The melamine resin foam with excellent oil repellency is obtained by coating an oleophobic component on a base material produced by foaming a resin composition comprising, as the main components, a melamine-formaldehyde condensate and a foaming agent.Type: GrantFiled: April 4, 2000Date of Patent: August 19, 2003Assignee: Nisshinbo Industries, Inc.Inventors: Yasuo Imashiro, Shun Hasegawa, Takahiko Matsumoto
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Patent number: 6592784Abstract: A near infrared absorption acrylic composition containing a sulfonic acid group-containing (meth)acrylic compound represented by the following general formula (1): R(CH2)nSO3H (1) (wherein R is CH2═CHCOO— or CH2═C(CH3)COO—, and n is an integer of 1 to 8), other (meth)acrylic compound and Cu2+; and a near infrared absorption filter produced from the composition.Type: GrantFiled: January 26, 2001Date of Patent: July 15, 2003Assignee: Nisshinbo Industries, Inc.Inventors: Shun Hasegawa, Gen Masuda
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Publication number: 20020164516Abstract: A fuel cell separator composition containing an electrically conductive carbonaceous powder and a binder that is a mixture of a thermoset resin with a polyoxazine compound having a plurality of oxazine rings can be used to efficiently mass-produce high-modulus fuel cell separators of excellent dimensional stability and gas impermeability. By employing such fuel cell separators as some or all of the separators in a solid polymer fuel cell, there can be obtained solid polymer fuel cells which are not subject to cracking or breakage during assembly, have good gas sealing properties, and are endowed with excellent vibration and impact resistance.Type: ApplicationFiled: March 1, 2002Publication date: November 7, 2002Inventors: Shun Hasegawa, Gen Masuda, Yukiko Yano, Kazuo Saito, Atsushi Hagiwara
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Patent number: 6388116Abstract: By forming a copper salt of phytic acid at a molar ratio of copper ion (Cu2+) to phytic acid of 2:1 or higher, there is provided a compound absorbing near infrared rays, which does not substantially absorb lights of visible light wavelength range, but strongly absorb lights of near infrared wavelength range, and shows extremely good water solubility.Type: GrantFiled: September 14, 2000Date of Patent: May 14, 2002Assignee: Nisshinbo Industries, Inc.Inventors: Shun Hasegawa, Gen Masuda
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Publication number: 20020050321Abstract: The present invention provides a front plate for plasma display panels with the transparent substrate, electroconductive member and optical film fast adhered to each other, easily produced by a simple process, and excellent in productivity. The present invention further provides a method of producing the same. The present invention provides a front plate for plasma display panels comprising a transparent substrate laminated, at least on one side, with an electroconductive member and at least one type of optical film to form a monolithic structure, wherein (a) two types of adhesive layers of tackifier layer and heat-bond film are orderly placed between the optical film as the outermost layer and the adjacent member, and (b) the transparent substrate, electroconductive member and at least one type of optical film are pressed under heating.Type: ApplicationFiled: August 9, 2001Publication date: May 2, 2002Inventors: Masashi Tone, Shun Hasegawa, Gen Masuda, Yasushi Hasegawa, Yatsuhiro Hasegawa, Shigekazu Hasegawa
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Publication number: 20020042162Abstract: This invention provides a method of forming an electrode section on the inner surface of the transparent, electromagnetic wave shielding plate, composed of a transparent substrate coated with an electroconductive member and transparent film in this order. These are laminated into a monolithic structure via a heat-bond film. (a) The components of the transparent, electromagnetic wave shielding plate are laminated by hot pressing into the monolithic structure, after replacing the perimeter or part of the heat-bond film corresponding to the electrode section by a frame member almost as thick as the heat-bond film. (b) The frame member and part of the outer transparent film are removed. Both of these correspond to the electrode section, or only the outer transparent film for the part corresponds to the electrode section. (c) The electroconductive section of the electroconductive member is exposed to the surface layer section by the above steps (a) and (b).Type: ApplicationFiled: October 5, 2001Publication date: April 11, 2002Inventors: Masashi Tone, Shun Hasegawa, Gen Masuda, Yasushi Hasegawa, Yatsuhiro Hasegawa, Shigekazu Hasegawa
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Publication number: 20010011719Abstract: A near infrared absorption acrylic composition containing a sulfonic acid group-containing (meth)acrylic compound represented by the following general formula (1):Type: ApplicationFiled: January 26, 2001Publication date: August 9, 2001Inventors: Shun Hasegawa, Gen Masuda
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Patent number: 6217796Abstract: The present invention relates to a near infrared absorption composition containing, in a resin, a dithiol-nickel complex represented by the following formula(1): The near infrared absorption composition has alleviated the problems of the prior are; absorbs the near infrared light emitted from, for example, a display device and is therefore used suitably as a near infrared absorption filter capable of preventing the malfunctioning of electronic appliances placed near the filter; further, has a high transmittance for visible light and high absorbance for near infrared light and is therefore used suitablly as a near infrared absorption filter particularly for plasma display panel.Type: GrantFiled: November 12, 1999Date of Patent: April 17, 2001Assignee: Nisshinbo Industries, Inc.Inventors: Shun Hasegawa, Gen Masuda
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Patent number: 6136904Abstract: A near infrared absorbent polycarbonate resin composition comprising a polycarbonate resin and a diimmonium type near infrared absorber. In this resin composition, not only the diimmonium type near infrared absorber shows a near infrared absorptivity but also its thermal stability is improved; therefore, the resin composition can be used in such applications as the heat resistance of near infrared absorbent material is required, and can withstand long-term use as compared with conventional near infrared absorbent materials containing a diimmonium type near infrared absorber.Type: GrantFiled: March 10, 1999Date of Patent: October 24, 2000Assignee: Nisshinbo Industries, Inc.Inventors: Satoshi Amano, Shun Hasegawa, Gen Masuda
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Patent number: 6117370Abstract: The present invention provides a near infrared absorption filter which contains, in a resin film produced from either or both a polycarbonate and a polyarylate by solution casting, a dithiol-nickel complex represented by the following formula (1): ##STR1## and at least one kind of diimmonium compound represented by the following formula (2): ##STR2## (Wherein R.sub.1 to R.sub.8 may be the same or different and are each a hydrogen atom, an alkyl group or an aryl group; and X.sup.- is an anion represented by halogen anion, perchloric acid anion, antimony hexafluoride anion or nitric acid anion).Type: GrantFiled: November 10, 1999Date of Patent: September 12, 2000Assignee: Nisshinbo Industries, Inc.Inventors: Shun Hasegawa, Gen Masuda
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Patent number: 6061011Abstract: An incombustible wave absorber of the application-on-the-spot type includes a wave absorber body, and a cap attached to the absorber body wherein the absorber body is composed of a board for setting up a wave absorber made of a carbon-containing inorganic short fiber board or organic foam board and has folding portions and/or bonding portions which permit the board to be set up on the spot in the form of a hollow pyramid, wedge, polygon or corrugation, and the board is set up, on the spot, in the form of a hollow pyramid, wedge, polygon or corrugation to provide the absorber body, which is attached to the surfaces of walls, a ceiling or a floor of a field-free chamber.Type: GrantFiled: May 5, 1999Date of Patent: May 9, 2000Assignees: Nisshinbo Industries, Inc., Nisshinbo Tempest, Inc.Inventors: Osamu Yamamoto, Yasuhiro Ogura, Hiroo Takahashi, Yasuo Imashiro, Shun Hasegawa, Hidefumi Sano
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Patent number: 5885692Abstract: A wave absorber comprising a foamed resin and a dielectric loss material dispersed therein, wherein the foamed resin is a foamed melamine resin obtained by foaming a resin composition comprising, as the main components, a melamine-formaldehyde condensate and a foaming agent. The wave absorber alleviates the problems of the prior art, and is lightweight and superior in self-extinguishing property, and shows an excellent wave-absorbing property owing to a uniformly dispersed dielectric loss material.Type: GrantFiled: March 31, 1997Date of Patent: March 23, 1999Assignees: Nisshinbo Industries, Inc., Nisshinbo Tempest, Inc.Inventors: Yasuo Imashiro, Shun Hasegawa, Isao Kato, Yoshihiko Kawahara
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Patent number: 5436278Abstract: The present invention provides:a melamine resin foam obtained by foaming a resin composition comprising a melamine/formaldehyde condensate, a blowing agent and an isocyanate,a process for producing the above melamine resin foam, which comprises foaming a resin composition comprising a melamine/formaldehyde condensate, a blowing agent and an isocyanate, anda melamine/formaldehyde condensate used in the production of the above melamine resin foam, which is obtained by reacting melamine and formaldehyde in the presence of a silane coupling agent.The melamine resin foam of the present invention is free from the problems of the prior art, has solved the problem of fragility without impairing the good flame retardancy and low thermal conductivity inherently possessed by melamine resin foams, and causes no danger during the production.Type: GrantFiled: December 7, 1994Date of Patent: July 25, 1995Assignee: Nisshinbo Industries, Inc.Inventors: Yasuo Imashiro, Shun Hasegawa, Tatsuya Okutani
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Patent number: 5413853Abstract: The present invention provides a melamine resin foam comprising a foam body obtained by foaming a resin composition composed mainly of a melamine-formaldehyde condensate and a blowing agent, and hydrophobic component coated on said foam body.This melamine resin foam is improved in fragility and water absorbability and in which the drawbacks of the prior art have been alleviated.Type: GrantFiled: June 27, 1994Date of Patent: May 9, 1995Assignee: Nisshinbo Industries, Inc.Inventors: Yasuo Imashiro, Shun Hasegawa, Takahiko Matsumoto
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Patent number: D885448Type: GrantFiled: October 19, 2018Date of Patent: May 26, 2020Assignee: Koike Sanso Kogyo Co., Ltd.Inventors: Satoshi Ohta, Daisuke Kato, Masatoshi Minahara, Shun Hasegawa