Patents by Inventor Yusuke Yamagata
Yusuke Yamagata 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: 20130131277Abstract: The invention provides a rubber composition for golf balls which includes (A) a base rubber containing a polybutadiene having a cis-1,4 bond content of at least 60 wt %, (B) an unsaturated carboxylic acid and/or a metal salt thereof, and (C) a diphenylamine of the general formula wherein R1 and R2 are each independently a hydrogen atom or a hydrocarbon group of 1 to 20 carbons, m is an integer from 1 to 5, and n is an integer from 1 to 4, with the proviso that if m and/or n is 2 or more, each occurrence of R1 and R2 may be the same or different. The golf ball rubber composition of the invention enables a high-quality molded and crosslinked product having a suitable hardness and a high resilience to be obtained.Type: ApplicationFiled: November 21, 2011Publication date: May 23, 2013Applicants: BRIDGESTONE CORPORATION, BRIDGESTONE SPORTS CO., LTD.Inventors: Yuichiro OZAWA, Tsuyoshi NAKAJIMA, Yusuke YAMAGATA, Teppei MORI, Takahiro IWAI
-
Publication number: 20130131243Abstract: The invention provides a rubber composition for golf balls which includes (A) a base rubber containing a polybutadiene having a cis-1,4 bond content of at least 60 wt %, (B) an unsaturated carboxylic acid and/or a metal salt thereof, and (C) a thiourea of the general formula wherein R is independently at each occurrence a hydrogen atom or a hydrocarbon group of 1 to 20 carbons, with the proviso that at least one occurrence of R is a hydrocarbon group of 1 to 20 carbons. The golf ball rubber composition of the invention enables a high-quality molded and crosslinked product having a suitable hardness and a high resilience to be obtained.Type: ApplicationFiled: November 21, 2011Publication date: May 23, 2013Applicants: BRIDGESTONE CORPORATION, BRIDGESTONE SPORTS CO., LTD.Inventors: Yuichiro OZAWA, Tsuyoshi NAKAJIMA, Yusuke YAMAGATA, Teppei MORI, Takahiro IWAI
-
Publication number: 20130131234Abstract: The invention provides a rubber composition for golf balls which includes (A) a base rubber containing a polybutadiene having a cis-1,4 bond content of at least 60 wt %, (B) an unsaturated carboxylic acid and/or a metal salt thereof, and (C) a benzimidazole of general formula (1) below wherein R1 and R2 are each independently a hydrogen atom or a hydrocarbon group of 1 to 20 carbons, and m and n are each an integer from 1 to 4, with the proviso that if m and/or n is 2 or more, each occurrence of R1 and R2 may be the same or different. The golf ball rubber composition of the invention enables a high-quality molded and crosslinked product having a suitable hardness and a high resilience to be obtained.Type: ApplicationFiled: November 21, 2011Publication date: May 23, 2013Applicants: BRIDGESTONE CORPORATION, BRIDGESTONE SPORTS CO., LTD.Inventors: Yuichiro OZAWA, Tsuyoshi NAKAJIMA, Teppei MORI, Yusuke YAMAGATA, Takahiro IWAI
-
Patent number: 8367779Abstract: The invention provides a rubber composition for golf balls which includes (A) a base rubber containing a polybutadiene having a cis-1,4 bond content of at least 60 wt %, (B) an unsaturated carboxylic acid and/or a metal salt thereof, and (C) an anthranilic acid derivative of the general formula wherein R1 and R2 are each independently a hydrogen atom or a hydrocarbon group of 1 to 20 carbons, m is an integer from 1 to 4, and n is an integer from 1 to 3, with the proviso that if m and/or n is 2 or more, each occurrence of R1 and R2 may be the same or different. The golf ball rubber composition of the invention enables a high-quality molded and crosslinked product having a suitable hardness and a high resilience to be obtained.Type: GrantFiled: November 21, 2011Date of Patent: February 5, 2013Assignees: Bridgestone Sports Co., Ltd., Bridgestone CorporationInventors: Yuichiro Ozawa, Tsuyoshi Nakajima, Yusuke Yamagata, Teppei Mori, Takahiro Iwai
-
Publication number: 20120160319Abstract: In a solar battery including: a photoelectric conversion layer that converts light into electricity; and a reflecting electrode layer that is provided on an opposite side of a light incident side in the photoelectric conversion layer and reflects light passed through the photoelectric conversion layer to the photoelectric conversion layer side, to realize a reflecting electrode layer having excellent adhesion and thermal corrosion resistance, stable electrical characteristics and satisfactory light reflection characteristics and to obtain a solar battery having high reliability, excellent electrical characteristics and optical characteristics, the reflecting electrode layer includes, on the photoelectric conversion layer side, a metal layer containing silver as a main component and containing nitrogen.Type: ApplicationFiled: September 4, 2009Publication date: June 28, 2012Applicant: Mitsubishi Electric CorporationInventors: Takumi Nakahata, Kazunori Inoue, Yusuke Yamagata
-
Publication number: 20120112194Abstract: It is an object to provide a technique to improve electric characteristics after a high-temperature treatment even when a high melting point metal barrier layer is not formed. A semiconductor device includes a gate electrode formed on a transparent insulation substrate, a semiconductor layer having a Si semiconductor active film and an ohmic low resistance Si film having an n-type conductivity, being formed in this order on the gate electrode with a gate insulation film interposed between the gate electrode and the semiconductor layer, and the source and drain electrodes directly connected to the semiconductor layer and containing at least aluminum (Al). At least nitrogen (N) is contained in a first region that is in the vicinity of an interface between a side surface of the SI semiconductor active film and the source and drain electrodes.Type: ApplicationFiled: September 14, 2011Publication date: May 10, 2012Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Takeshi Ono, Naoki Nakagawa, Yusuke Yamagata, Kazunori Inoue, Nobuaki Ishiga, Kensuke Nagayama, Naoki Tsumura, Toru Takeguchi
-
Patent number: 8159749Abstract: An antireflection coating is formed on a transparent substrate and includes an Al film having a transmittance of lower than 10% at a wavelength of 550 nm with a thickness of 25 nm and predominantly composed of aluminum (Al), and an Al—N film formed in at least one of an upper layer and a lower layer of the Al film, having a transmittance of equal to or higher than 10% at a wavelength of 550 nm with a thickness of 25 nm, predominantly composed of Al and at least containing a nitrogen (N) element as an additive. A specific resistance of the antireflection coating is equal to or lower than 1.0×10?2 O·cm, and a reflectance of a surface of the Al—N film is equal to or lower than 50% in a visible light region.Type: GrantFiled: August 21, 2009Date of Patent: April 17, 2012Assignee: Mitsubishi Electric CorporationInventors: Kazunori Inoue, Naoki Tsumura, Nobuaki Ishiga, Takeshi Ono, Naoki Nakagawa, Masafumi Agari, Yusuke Yamagata, Kensuke Nagayama
-
Publication number: 20120020056Abstract: A display device where concentration of a stress in a display panel is suppressed, to allow improvement in display quality, reliability and the like. A display device includes a display panel, an adhesive layer and a supporting substrate. The adhesive layer is provided on the display panel. The supporting substrate is made up of a member previously provided with curved surfaces. The display panel is bonded onto the curved surface of the supporting substrate by the adhesive layer. The supporting substrate supports the display panel in a curved form along the curved surface.Type: ApplicationFiled: April 23, 2010Publication date: January 26, 2012Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Yusuke Yamagata, Naoki Nakagawa, Toshiaki Fujino, Takanori Okumura, Toshiyuki Yoneda, Toru Kokogawa, Kenji Arita
-
Patent number: 8076844Abstract: An organic EL display device includes a glass substrate and a flattening film arranged above the glass substrate. A plurality of anodes are arranged on a surface of the flattening film. A plurality of organic EL layers are arranged on a surface of the anodes. The flattening film has irregularities formed in at least a partial surface in a region outside a region where the plurality of organic EL layers are arranged. According to such a structure, an organic EL display device in which remaining of moisture in an insulating film is suppressed can be provided.Type: GrantFiled: January 3, 2008Date of Patent: December 13, 2011Assignee: Canon Kabushiki KaishaInventors: Kouji Oda, Hiroyuki Fuchigami, Yusuke Yamagata, Katsumi Nakagawa, Junji Ohyama
-
Patent number: 8040476Abstract: The display device includes a pair of insulating substrates arranged so as to be opposed, a bonding layer, and a strain suppressing plate. The bonding layer is provided on the outer surface side of one insulating substrate. The strain suppressing plate has rigidity higher than that of the insulating substrate to suppress the strain caused by curving the insulating substrate. The strain suppressing plate is fixed to the insulating substrate by the bonding layer.Type: GrantFiled: May 26, 2009Date of Patent: October 18, 2011Assignee: Mitsubishi Electric CorporationInventors: Takumi Nakahata, Takanori Okumura, Yusuke Yamagata, Naoki Nakagawa, Masafumi Agari, Tetsuya Satake, Toru Kokogawa, Kenji Arita
-
Patent number: 7834962Abstract: In a liquid crystal display (10) having a curved display surface, long sides of pixel structures (11) are arranged along the curve direction (Y) of the display surface and on a side of counter substrate provided is a black matrix having a black matrix opening (41a) whose length in the curve direction (Y) is not longer than E?L {(T1/2)+(T2/2)+d}/R, assuming that the length of the display surface in the curve direction (Y) is L, the thickness of an array substrate is T1, the thickness of the counter substrate is T2, the size of the gap between the array substrate and the counter substrate is d, the radius of curvature of the curved display surface is R and the length of a long side of a pixel electrode (29) provided in each of the pixel structures (11) is E. It thereby becomes possible to suppress display unevenness resulting from positional misalignment of the two substrates due to curvature and provide a liquid crystal display achieving a high-quality display image.Type: GrantFiled: December 8, 2008Date of Patent: November 16, 2010Assignee: Mitsubishi Electric CorporationInventors: Tetsuya Satake, Takumi Nakahata, Takanori Okumura, Yusuke Yamagata, Takeshi Ono, Naoki Nakagawa, Suguru Nagae
-
Publication number: 20100053759Abstract: An antireflection coating is formed on a transparent substrate and includes an Al film having a transmittance of lower than 10% at a wavelength of 550 nm with a thickness of 25 nm and predominantly composed of aluminum (Al), and an Al—N film formed in at least one of an upper layer and a lower layer of the Al film, having a transmittance of equal to or higher than 10% at a wavelength of 550 nm with a thickness of 25 nm, predominantly composed of Al and at least containing a nitrogen (N) element as an additive. A specific resistance of the antireflection coating is equal to or lower than 1.0×10?2 O·cm, and a reflectance of a surface of the Al—N film is equal to or lower than 50% in a visible light region.Type: ApplicationFiled: August 21, 2009Publication date: March 4, 2010Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Kazunori INOUE, Naoki TSUMURA, Nobuaki ISHIGA, Takeshi ONO, Naoki NAKAGAWA, Masafumi AGARI, Yusuke YAMAGATA, Kensuke NAGAYAMA
-
Publication number: 20090290113Abstract: The display device includes a pair of insulating substrates arranged so as to be opposed, a bonding layer, and a strain suppressing plate. The bonding layer is provided on the outer surface side of one insulating substrate. The strain suppressing plate has rigidity higher than that of the insulating substrate to suppress the strain caused by curving the insulating substrate. The strain suppressing plate is fixed to the insulating substrate by the bonding layer.Type: ApplicationFiled: May 26, 2009Publication date: November 26, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Takumi Nakahata, Takanori Okumura, Yusuke Yamagata, Naoki Nakagawa, Masafumi Agari, Tetsuya Satake, Toru Kokogawa, Kenji Arita
-
Publication number: 20090161048Abstract: In a liquid crystal display (10) having a curved display surface, long sides of pixel structures (11) are arranged along the curve direction (Y) of the display surface and on a side of counter substrate provided is a black matrix having a black matrix opening (41a) whose length in the curve direction (Y) is not longer than E?L {(T1/2)+(T2/2)+d}/R, assuming that the length of the display surface in the curve direction (Y) is L, the thickness of an array substrate is T1, the thickness of the counter substrate is T2, the size of the gap between the array substrate and the counter substrate is d, the radius of curvature of the curved display surface is R and the length of a long side of a pixel electrode (29) provided in each of the pixel structures (11) is E. It thereby becomes possible to suppress display unevenness resulting from positional misalignment of the two substrates due to curvature and provide a liquid crystal display achieving a high-quality display image.Type: ApplicationFiled: December 8, 2008Publication date: June 25, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Tetsuya SATAKE, Takumi NAKAHATA, Takanori OKUMURA, Yusuke YAMAGATA, Takeshi ONO, Naoki NAKAGAWA, Suguru NAGAE
-
Publication number: 20080164810Abstract: An organic EL display device includes a glass substrate and a flattening film arranged above the glass substrate. A plurality of anodes are arranged on a surface of the flattening film. A plurality of organic EL layers are arranged on a surface of the anodes. The flattening film has irregularities formed in at least a partial surface in a region outside a region where the plurality of organic EL layers are arranged. According to such a structure, an organic EL display device in which remaining of moisture in an insulating film is suppressed can be provided.Type: ApplicationFiled: January 3, 2008Publication date: July 10, 2008Applicants: MITSUBISHI ELECTRIC CORPORATION, CANON KABUSHIKI KAISHAInventors: Kouji ODA, Hiroyuki Fuchigami, Yusuke Yamagata, Katsumi Nakagawa, Junji Ohyama