Patents by Inventor Seiichiro Iida
Seiichiro Iida 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).
-
Publication number: 20140137935Abstract: A solar-cell back sheet comprising a laminate of an adhesive layer (2) containing 50 to 100% by weight of a thermoplastic resin and 0 to 50% by weight of an inorganic filler or an organic filler, and a base layer (1) containing 30 to 95% by weight of a polypropylene resin, and 5 to 70% by weight of an inorganic filler or an organic filler, and being stretched in at least one direction with a porosity of 55% or less, in which a reflectance for light of 750 nm wavelength is 90% or more and a partial discharge voltage per micrometer is 7.5 V or more, is excellent in partial discharge voltage, and can be reduced in thickness, and has excellent adhesion for a sealing material.Type: ApplicationFiled: July 6, 2012Publication date: May 22, 2014Applicant: YUPO CORPORATIONInventors: Yousuke Hiroi, Seiichiro Iida
-
Publication number: 20130164471Abstract: A readily removable film containing a substrate layer (A) and a readily removable layer (B), wherein the substrate layer (A) contains a thermoplastic resin, the readily removable layer (B) contains from 30 to 60% by weight of a mixture of a crystalline polypropylene resin having a degree of crystallinity of at least 65% and a thermoplastic resin immiscible with the crystalline polypropylene resin, and from 40 to 70% by weight of a fine powder, in which the thermoplastic resin immiscible with the crystalline polypropylene resin is blended in a ratio of from 105 to 300 parts by weight relative to 100 parts by weight of the crystalline polypropylene resin, and the readily removable layer (B) is stretched at least monoaxially.Type: ApplicationFiled: June 30, 2011Publication date: June 27, 2013Applicant: YUPO CORPORATIONInventors: Tatsuya Suzuki, Kou Nakamura, Kazuyuki Kimura, Seiichiro Iida
-
Publication number: 20120177907Abstract: An energy conversion film, which can hold a larger amount of charges by pores in the inside of the film and has high energy conversion performances, is provided, by obtaining a porous resin film with a high expansion ratio without adopting an expansion treatment with a high-pressure gas by forming a thermoplastic resin stretched film having a specified structure. The energy conversion film includes a core layer (A) having specified pores and composed of a thermoplastic resin stretched film including a thermoplastic resin and at least one of an inorganic powder and an organic filler.Type: ApplicationFiled: September 17, 2010Publication date: July 12, 2012Applicant: YUPO CORPORATIONInventors: Hiroshi Koike, Seiichiro Iida, Hidekazu Kodama, Yoshinobu Yasuno, Eiichi Fukada
-
Patent number: 8211507Abstract: Disclosed is a method for producing a thermoplastic resin film, which comprises oxidizing the surface of a thermoplastic resin film (i) that contains an unsaturated carboxylic acid-modified polyolefin-based resin, then applying a surface modifier thereto, and stretching it. According to the method, thermoplastic resin films can be produced that have good adhesiveness between the film substrate and the coating layer thereof and have good printability and electrostatic resistance.Type: GrantFiled: August 27, 2004Date of Patent: July 3, 2012Assignee: Yupo CorporationInventors: Seiichiro Iida, Hisashi Tani
-
Patent number: 8182902Abstract: A labeled in-mold shaped article in which an in-mold label having a thermoplastic resin-containing substrate layer and a heat-seal layer that contains a heat-seal resin and a water-soluble binder is stuck to a shaped article and in which the in-mold label does not peel off from the shaped article even when the labeled in-mold shaped article is dipped in water at 40° C. for 4 days. The labeled in-mold shaped article satisfies both label adhesiveness and delabelability.Type: GrantFiled: November 18, 2005Date of Patent: May 22, 2012Assignee: Yupo CorporationInventors: Hiroshi Koike, Seiichiro Iida, Masaaki Yamanaka
-
Patent number: 7981503Abstract: Disclosed is a stretched resin film having a liquid absorption coefficient of at least 5 ml/(m2·ms1/2). The stretched resin film has good liquid absorbability with good seepage resistance. When stuck to objects with a water-base adhesive, it dries within a short period of time and attains good adhesiveness.Type: GrantFiled: January 25, 2005Date of Patent: July 19, 2011Assignee: Yupo CorporationInventors: Kazuyuki Kimura, Masaaki Yamanaka, Hiroshi Koike, Seiichiro Iida, Takatoshi Nishizawa
-
Publication number: 20110143104Abstract: An electrostatic adsorbable sheet (iii), which has a long-lasting adsorbability not easily affected by humidity, secures good ink adhesiveness, and does not generate troubles in a printing process, is provided. The electrostatic adsorbable sheet (iii) comprises a laminate of a label layer (i) containing a resin film layer (A) and a recording layer (D) on one surface of the resin film layer (A), and a peelable sheet layer (ii) containing a peelable layer (B) and a support layer (C), in which the label layer (i) and the peelable sheet layer (ii) are laminated so that the resin film layer (A) and the peelable layer (B) contact with each other. The peeling strength between the label layer (i) and the peelable sheet layer (ii) is from 1 to 50 g/cm, and the label layer (i) peeled from the peelable sheet layer (ii) is electrostatically adsorbable to an object to be attached.Type: ApplicationFiled: December 15, 2010Publication date: June 16, 2011Applicant: YUPO CORPORATIONInventors: Hiroshi KOIKE, Seiichiro IIDA
-
Publication number: 20100291363Abstract: An electrophotographic recording sheet having, on a water-resistant support, a toner-receiving layer containing a liphophilic polymer antistatic agent with a specific surface resistivity of from 1×107 to 9×1012?. This electrophotographic recording sheet is excellent in recording quality, fixability, water resistance, durability, color printability and continuous printability.Type: ApplicationFiled: May 22, 2008Publication date: November 18, 2010Applicant: YUPO CORPORATIONInventors: Hiroshi Koike, Seiichiro Iida, Koichi Ishida
-
Publication number: 20080118718Abstract: A labeled in-mold shaped article in which an in-mold label having a thermoplastic resin-containing substrate layer and a heat-seal layer that contains a heat-seal resin and a water-soluble binder is stuck to a shaped article and in which the in-mold label does not peel off rom the shaped article even when the labeled in-mold shaped article is dipped in water at 40° C. for 4 days. The labeled in-mold shaped article satisfies both label adhesiveness and delabelability.Type: ApplicationFiled: November 18, 2005Publication date: May 22, 2008Applicant: YUPO CORPORATIONInventors: Hiroshi Koike, Seiichiro Iida, Masaaki Yamanaka
-
Patent number: 6984423Abstract: The present invention provides less expensive ink jet recording papers having high glossiness and high durability and being capable of quickly absorbing inks without causing bleeding. Accordingly, the present invention provides an ink jet recording paper having an ink-receiving layer provided on a porous resin film, wherein the porous resin film has a liquid absorption capacity measured in accordance with “Japan TAPPI No.51-87” of 0.5 ml/m2 or above and the ink-receiving layer has a surface glossiness (JIS-Z8741: measuring method at 60°) of 40% or above. It is preferable that the ink jet recording paper contains at least one member selected from among alumina, alumina hydrate and amorphous silica in the ink-receiving layer.Type: GrantFiled: September 16, 2002Date of Patent: January 10, 2006Assignee: Yupo CorporationInventors: Seiichiro Iida, Yasuo Iwasa
-
Publication number: 20050186371Abstract: Disclosed is a stretched resin film having a liquid absorption coefficient of at least 5 ml/(m2·ms1/2). The stretched resin film has good liquid absorbability with good seepage resistance. When stuck to objects with a water-base adhesive, it dries within a short period of time and attains good adhesiveness.Type: ApplicationFiled: January 25, 2005Publication date: August 25, 2005Applicant: YUPO CORPORATIONInventors: Kazuyuki Kimura, Masaaki Yamanaka, Hiroshi Koike, Seiichiro Iida, Takatoshi Nishizawa
-
Publication number: 20050085579Abstract: Disclosed is a method for producing a thermoplastic resin film, which comprises oxidizing the surface of a thermoplastic resin film (i) that contains an unsaturated carboxylic acid-modified polyolefin-based resin, then applying a surface modifier thereto, and stretching it. According to the method, thermoplastic resin films can be produced that have good adhesiveness between the film substrate and the coating layer thereof and have good printability and electrostatic resistance.Type: ApplicationFiled: August 27, 2004Publication date: April 21, 2005Applicant: YUPO CORPORATIONInventors: Seiichiro Iida, Hisashi Tani
-
Patent number: 6863934Abstract: Disclosed is a method of surface treatment of a thermoplastic resin film (i) which comprises the steps of subjecting the thermoplastic resin film (i) to surface oxidation, coating the oxidized film with a surface modifier (A) and then stretching the coated film, and which is characterized in that: the surface modifier (A) is an aqueous dispersion prepared by dispersing an olefin copolymer (a) with an unsaturated carboxylic acid or its anhydride bonded thereto in water along with at least one dispersant (b) selected from the group consisting of nonionic surfactants, nonionic water-soluble polymers, cationic surfactants and cationic water-soluble polymers; the ratio by weight of (a)/(b) in terms of the solid content thereof falls between 100/1 and 100/30; and the mean particle size of the resin in the surface modifier (A) is at most 5 ?m. The method can provide a thermoplastic resin film of good melt thermal transfer printability and good offset printability capable of giving prints of good water resistance.Type: GrantFiled: December 22, 2003Date of Patent: March 8, 2005Assignee: Yupo CorporationInventors: Seiichiro Iida, Hisashi Tani
-
Patent number: 6811837Abstract: The invention provides a porous resin film having a good absorption of water content as a solvent for aqueous ink or aqueous paste and a recording medium comprising the porous resin film. The recording medium is characterized by the capability of absorbing an ink without density unevenness even during ink jet recording if the ejected amount of ink is great. The invention lies in a porous resin film comprising: a thermoplastic resin in an amount of 30 to 90% by weight; and an inorganic and/or organic finely divided powder in an amount of 10 to 70% by weight, wherein the inorganic and/or organic finely divided powder is surface-treated with a surface treating agent (A) made of a copolymer of diallylamine salt or alkyl diallylamine salt (a1) with a nonionic hydrophilic vinyl monomer (a2) and an anionic surface treating agent (B), and the porous resin film has a liquid absorption capacity of not smaller than 0.5 ml/m2 as measured by “Japan TAPPI No. 51-87”.Type: GrantFiled: June 10, 2002Date of Patent: November 2, 2004Assignee: Yupo CorporationInventors: Yasuo Iwasa, Seiichiro Iida, Nobuhiro Shibuya
-
Publication number: 20040185285Abstract: Disclosed is a method of surface treatment of a thermoplastic resin film (i) which comprises the steps of subjecting the thermoplastic resin film (i) to surface oxidation, coating the oxidized film with a surface modifier (A) and then stretching the coated film, and which is characterized in that: the surface modifier (A) is an aqueous dispersion prepared by dispersing an olefin copolymer (a) with an unsaturated carboxylic acid or its anhydride bonded thereto in water along with at least one dispersant (b) selected from the group consisting of nonionic surfactants, nonionic water-soluble polymers, cationic surfactants and cationic water-soluble polymers; the ratio by weight of (a)/(b) in terms of the solid content thereof falls between 100/1 and 100/30; and the mean particle size of the resin in the surface modifier (A) is at most 5 &mgr;m.Type: ApplicationFiled: December 22, 2003Publication date: September 23, 2004Applicant: YUPO CORPORATIONInventors: Seiichiro Iida, Hisashi Tani
-
Publication number: 20030118790Abstract: The present invention provides less expensive ink jet recording papers having high glossiness and high durability and being capable of quickly absorbing inks without causing bleeding.Type: ApplicationFiled: September 16, 2002Publication date: June 26, 2003Applicant: YUPO CORPORATIONInventors: Seiichiro IIda, Yasuo Iwasa
-
Publication number: 20030072935Abstract: A porous resin film containing a thermoplastic resin, an inorganic and/or organic finely divided powder and a hydrophilicizer, and having a liquid absorption capacity of not smaller than 0.5 ml/m2 may be incorporated in a recording medium to provide good absorption of water present as a solvent for aqueous ink or aqueous paste and ink absorption without density unevenness during solid printing of large amounts of ink during ink jet recording.Type: ApplicationFiled: June 3, 2002Publication date: April 17, 2003Applicant: YUPO CORPORATIONInventors: Yasuo Iwasa, Seiichiro Iida, Nobuhiro Shibuya
-
Publication number: 20030071884Abstract: The invention provides a porous resin film having a good absorption of water content as a solvent for aqueous ink or aqueous paste and a recording medium comprising the porous resin film. The recording medium is characterized by the capability of absorbing an ink without density unevenness even during ink jet recording if the ejected amount of ink is great. The invention lies in a porous resin film comprising: a thermoplastic resin in an amount of 30 to 90% by weight; and an inorganic and/or organic finely divided powder in an amount of 10 to 70% by weight, wherein the inorganic and/or organic finely divided powder is surface-treated with a surface treating agent (A) made of a copolymer of diallylamine salt or alkyl diallylamine salt (a1) with a nonionic hydrophilic vinyl monomer (a2) and an anionic surface treating agent (B), and the porous resin film has a liquid absorption capacity of not smaller than 0.5 ml/m2 as measured by “Japan TAPPI No. 51-87”.Type: ApplicationFiled: June 10, 2002Publication date: April 17, 2003Applicant: YUPO CORPORATIONInventors: Yasuo Iwasa, Seiichiro Iida, Nobuhiro Shibuya
-
Publication number: 20030017321Abstract: The present invention provides (1) a porous resin film having good water absorption from aqueous inks or aqueous pastes, (2) a recording medium which can absorb an ink without density unevenness even during solid printing or the like if the ejected amount of ink is great in ink jet recording, and (3) a porous resin film constituting such a recording medium having excellent properties. In other words, the present invention lies in a porous resin film comprising a thermoplastic resin and an inorganic and/or organic finely divided powder surface-treated with a specific surface treating agent and having a liquid absorption capacity of not smaller than 0.5 ml/m2 as measured by “Japan TAPPI No. 51-87” and a recording medium comprising the porous resin film.Type: ApplicationFiled: June 7, 2002Publication date: January 23, 2003Applicant: YUPO CORPORATIONInventors: Yasuo Iwasa, Seiichiro Iida, Nobuhiro Shibuya
-
Patent number: 5998553Abstract: A process for producing a highly water-absorptive polymer, which comprises suspending an aqueous solution containing a water-soluble polymerizable monomer and an optional crosslinking agent into droplets in a hydrophobic organic solvent in the presence of a dispersant and a water-soluble radical polymerization initiator, and allowing the water-soluble polymerizable monomer to polymerize in the droplets, wherein the dispersant is a phosphoric ester surface active agent represented by the following general formula [I]: ##STR1## wherein R.sup.1 represents an alkyl or alkylaryl group having 8 to 30 carbon atoms, R.sup.2 represents OH group or a group of the formula --(CH.sub.2 CH.sub.2 O).sub.m --OR.sup.1, and m and n are an integer of 1 to 30, andthe aqueous solution is successively fed to the hydrophobic organic solvent so that the droplets of different polymerization degrees can be present in the solvent.Type: GrantFiled: April 22, 1998Date of Patent: December 7, 1999Assignee: Mitsubishi Chemical CorporationInventors: Seiichiro Iida, Kiichi Ito, Sueichi Kato