Patents by Inventor Ayako Tsukitani
Ayako Tsukitani 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: 10168007Abstract: A light-emitting device includes blue LED chips having a light emission peak wavelength of at least 430 nm and at most 470 nm and red LED chips having a light emission peak wavelength of at least 600 nm and at most 640 nm. The light-emitting device includes a yellow phosphor having a light emission peak wavelength of at least 500 nm and at most 580 nm and a red phosphor having a light emission peak wavelength of at least 640 nm and at most 670 nm. The light-emitting device emits white light through mixing of light emitted by each of the blue LED chips, the red LED chips, the yellow phosphor, and the red phosphor.Type: GrantFiled: December 20, 2016Date of Patent: January 1, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Koji Omura, Ayako Tsukitani
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Patent number: 10040393Abstract: An illumination system includes: a seat in a mobile body; a table to be positioned in front of a passenger when the passenger is seated on the seat; a first light source which illuminates the table; and a second light source which illuminates a region closer to the passenger than to the table. When a distance from the first light source to the table is equal to a distance from the second light source to a virtual irradiated surface, an illuminance on the table irradiated by the first light source is lower than an illuminance on the virtual irradiated surface irradiated by the second light source.Type: GrantFiled: July 24, 2017Date of Patent: August 7, 2018Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Junichi Hasegawa, Makoto Yamada, Yoko Matsubayashi, Ayako Tsukitani
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Publication number: 20180029532Abstract: An illumination system includes: a seat in a mobile body; a table to be positioned in front of a passenger when the passenger is seated on the seat; a first light source which illuminates the table; and a second light source which illuminates a region closer to the passenger than to the table. When a distance from the first light source to the table is equal to a distance from the second light source to a virtual irradiated surface, an illuminance on the table irradiated by the first light source is lower than an illuminance on the virtual irradiated surface irradiated by the second light source.Type: ApplicationFiled: July 24, 2017Publication date: February 1, 2018Inventors: Junichi HASEGAWA, Makoto YAMADA, Yoko MATSUBAYASHI, Ayako TSUKITANI
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Publication number: 20170175957Abstract: A light-emitting device includes blue LED chips having a light emission peak wavelength of at least 430 nm and at most 470 nm and red LED chips having a light emission peak wavelength of at least 600 nm and at most 640 nm. The light-emitting device includes a yellow phosphor having a light emission peak wavelength of at least 500 nm and at most 580 nm and a red phosphor having a light emission peak wavelength of at least 640 nm and at most 670 nm. The light-emitting device emits white light through mixing of light emitted by each of the blue LED chips, the red LED chips, the yellow phosphor, and the red phosphor.Type: ApplicationFiled: December 20, 2016Publication date: June 22, 2017Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Koji OMURA, Ayako TSUKITANI
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Publication number: 20170065827Abstract: A lighting control system includes: a biological information obtainer which obtains biological information related to a biological body of a user; an environmental information obtainer which obtains environmental information related to a surrounding environment of the user; a severity determiner which determines a severity of premenstrual syndrome (PMS) based on the biological information obtained by the biological information obtainer and the environmental information obtained by the environmental information obtainer; and a lighting controller which controls a lighting device based on the severity determined by the severity determiner.Type: ApplicationFiled: September 7, 2016Publication date: March 9, 2017Inventors: Yuri FUJIWARA, Ayako TSUKITANI, Naohiro TODA
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Publication number: 20160076713Abstract: An illumination device includes a solid light-emitting element and a wavelength converting unit configured to convert a wavelength of light emitted from the solid light-emitting element. The wavelength converting unit includes a first member spaced apart from the solid light-emitting element and installed so as to surround the solid light-emitting element, and a second member installed so as to cut off a part of a light path extending from the solid light-emitting element to the first member. The first member is provided with a first wavelength converting material unevenly coated on an inner surface thereof and is configured such that the relative position of the first member with respect to the second member is changeable, and the second member is provided with a second wavelength converting material coated on a surface thereof facing the solid light-emitting element.Type: ApplicationFiled: September 8, 2015Publication date: March 17, 2016Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Ayako TSUKITANI
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Patent number: 9247604Abstract: A lighting device is provided with an illumination unit including two or less LED light sources. The illumination unit uses the two or less LED light sources to emit light of a short wavelength band and light of a long wavelength band. An output varying unit functions to vary an output of at least the long wavelength band light. When the output varying unit receives a varying signal, the output varying unit functions to decrease the output of at least the long wavelength band light.Type: GrantFiled: June 6, 2013Date of Patent: January 26, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Sayaka Nishi, Takashi Saito, Hiroki Noguchi, Naohiro Toda, Ayako Tsukitani, Kensuke Yamazoe, Toshihide Mori, Hiroshi Hamano, Kouichi Wada, Yoshinori Karasawa
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Patent number: 9084311Abstract: A lighting device includes a first light source having a first S/P ratio, a second light source having a second S/P ratio that is higher than the first S/P ratio, and a controller configured to performing dimming control of light output from the first and second light sources. The controller performs the dimming control separately on the first and second light sources at least under a snow covered condition.Type: GrantFiled: July 11, 2013Date of Patent: July 14, 2015Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Takashi Saito, Toshihide Mori, Ayako Tsukitani, Hiroshi Hamano, Akira Takashima, Kensuke Yamazoe, Kouichi Wada, Yoshinori Karasawa
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Patent number: 9041277Abstract: A lighting device includes an LED light source that emits light having a first peak wavelength at 430 to 460 nm and a second peak wavelength at 530 to 570 nm.Type: GrantFiled: April 23, 2013Date of Patent: May 26, 2015Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Naohiro Toda, Shin Ukegawa, Makoto Yamada, Takashi Saito, Shinichi Aoki, Hiroki Noguchi, Masaki Ishiwata, Sayaka Nishi, Ayako Tsukitani
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Patent number: 8926110Abstract: A lighting unit emits light with an intensity in the wavelength from 430 to 510 nm that is maximum at 460 nm and minimum in the range from 490 to 500 nm, an intensity in the wavelength from 510 to 600 nm that is maximum in the range from 530 to 545 nm and minimum in the range from 570 to 580 nm, and an intensity in the wavelength of 600 nm or greater that is maximum in the range from 620 to 640. The lighting unit illuminates meat with light having a feeling of contrast index (FCI) of 135 to 145 and the illuminated meat has a metric hue angle from 54 to 56 and a color shift Duv from 0 to 5.Type: GrantFiled: November 1, 2012Date of Patent: January 6, 2015Assignee: Panasonic CoporationInventors: Ayako Tsukitani, Sayaka Yamaguchi, Takashi Saito
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Patent number: 8866163Abstract: A white organic electroluminescence device includes: an anode electrode; a cathode electrode; a hole transport layer arranged between the anode electrode and the cathode electrode; an electron transport layer arranged between the anode electrode and the cathode electrode; and a plurality of light emission layers into which holes and electrons are injected from the hole transport layer and the electron transport layer, the light emission layers arranged between the hole transport layer and the electron transport layer. The light emission layers are configured to have at least one emission peak wavelength for each of blue, green and red colors, and the emission peak wavelength of the blue color ranges from about 445 nm to about 455 nm.Type: GrantFiled: April 20, 2012Date of Patent: October 21, 2014Assignee: Panasonic CorporationInventors: Naohiro Toda, Hiroki Noguchi, Ayako Tsukitani
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Patent number: 8764223Abstract: A lighting device includes first and second light emission units. The first light emission unit emits light having a relatively low color temperature and a high feeling of contrast index. The second light emission unit emits light having a relatively high S/P ratio, which is the ratio of scotopic luminance to photopic luminance. The first light emission unit illuminates a region located at a vertical upper side of a region illuminated by the second light emission unit.Type: GrantFiled: April 24, 2013Date of Patent: July 1, 2014Assignee: Panasonic CorporationInventors: Ayako Tsukitani, Takashi Saito, Akira Takashima, Kouichi Wada, Yoshinori Karasawa, Toshihide Mori, Hiroshi Hamano, Kensuke Yamazoe
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Publication number: 20140015442Abstract: A lighting device is provided with an illumination unit including two or less LED light sources. The illumination unit uses the two or less LED light sources to emit light of a short wavelength band and light of a long wavelength band. An output varying unit functions to vary an output of at least the long wavelength band light. When the output varying unit receives a varying signal, the output varying unit functions to decrease the output of at least the long wavelength band light.Type: ApplicationFiled: June 6, 2013Publication date: January 16, 2014Inventors: SAYAKA NISHI, TAKASHI SAITO, HIROKI NOGUCHI, NAOHIRO TODA, AYAKO TSUKITANI, KENSUKE YAMAZOE, TOSHIHIDE MORI, HIROSHI HAMANO, KOUICHI WADA, YOSHINORI KARASAWA
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Publication number: 20140015444Abstract: A lighting device includes a first light source having a first S/P ratio, a second light source having a second S/P ratio that is higher than the first S/P ratio, and a controller configured to performing dimming control of light output from the first and second light sources. The controller performs the dimming control separately on the first and second light sources at least under a snow covered condition.Type: ApplicationFiled: July 11, 2013Publication date: January 16, 2014Inventors: Takashi SAITO, Toshihide MORI, Ayako TSUKITANI, Hiroshi HAMANO, Akira TAKASHIMA, Kensuke YAMAZOE, Kouichi WADA, Yoshinori KARASAWA
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Publication number: 20130299851Abstract: A lighting device includes first and second light emission units. The first light emission unit emits light having a relatively low color temperature and a high feeling of contrast index. The second light emission unit emits light having a relatively high S/P ratio, which is the ratio of scotopic luminance to photopic luminance. The first light emission unit illuminates a region located at a vertical upper side of a region illuminated by the second light emission unit.Type: ApplicationFiled: April 24, 2013Publication date: November 14, 2013Applicant: PANASONIC CORPORATIONInventors: Ayako TSUKITANI, Takashi SAITO, Akira TAKASHIMA, Kouichi WADA, Yoshinori KARASAWA, Toshihide MORI, Hiroshi HAMANO, Kensuke YAMAZOE
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Publication number: 20130300280Abstract: A lighting device includes an LED light source that emits light having a first peak wavelength at 430 to 460 nm and a second peak wavelength at 530 to 570 nm.Type: ApplicationFiled: April 23, 2013Publication date: November 14, 2013Applicant: PANASONIC CORPORATIONInventors: Naohiro TODA, Shin UKEGAWA, Makoto YAMADA, Takashi SAITO, Shinichi AOKI, Hiroki NOGUCHI, Masaki ISHIWATA, Sayaka NISHI, Ayako TSUKITANI
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Patent number: 8562132Abstract: In a photometry device, photopic vision luminance Lp is measured by a first luminance measuring unit including a first light filter 4 and a first photoelectric converter 5, and scotopic vision luminance Ls is measured by a second luminance measuring unit including a second light filter 6 and a second photoelectric converter 7. A calculation part 8 calculates mesopic vision luminance Lmes based on a measurement value (photopic vision luminance Lp) of the first luminance measuring unit and a ratio of a measurement value (scotopic vision luminance Ls) of the second luminance measuring unit to the measurement value (photopic vision luminance Lp) of the first luminance measuring unit. Consequently, the photometry device can improve measurement accuracy of the brightness (mesopic vision luminance) in mesopic vision.Type: GrantFiled: July 12, 2011Date of Patent: October 22, 2013Assignee: Panasonic CorporationInventors: Takashi Saito, Hiroki Noguchi, Naohiro Toda, Ayako Tsukitani, Kouji Nishioka, Akira Takasima, Kaoru Ibara, Kensuke Yamazoe, Hiroe Kubo, Yoshinori Karasawa
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Publication number: 20120267652Abstract: A white organic electroluminescence device includes: an anode electrode; a cathode electrode; a hole transport layer arranged between the anode electrode and the cathode electrode; an electron transport layer arranged between the anode electrode and the cathode electrode; and a plurality of light emission layers into which holes and electrons are injected from the hole transport layer and the electron transport layer, the light emission layers arranged between the hole transport layer and the electron transport layer. The light emission layers are configured to have at least one emission peak wavelength for each of blue, green and red. colors, and the emission peak. wavelength of the blue color ranges from about 445 nm to about 455 nm.Type: ApplicationFiled: April 20, 2012Publication date: October 25, 2012Applicant: Panasonic CorporationInventors: Naohiro Toda, Hiroki Noguchi, Ayako Tsukitani
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Publication number: 20120268927Abstract: A lighting device includes a lower irradiation portion for irradiating light mainly in a vertically downward direction and an upper irradiation portion for irradiating light more horizontally than the lower irradiation portion. An irradiation angle of the upper irradiation portion is smaller than that of the lower irradiation portion. The upper irradiation portion is configured to reduce an S/P ratio denoting a ratio of scotopic vision luminance to photopic vision luminance.Type: ApplicationFiled: April 18, 2012Publication date: October 25, 2012Applicant: Panasonic CorporationInventors: Takashi SAITO, Ayako Tsukitani, Hiroki Noguchi, Naohiro Toda, Sayaka Yamaguchi
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Publication number: 20120075583Abstract: In a photometry device, photopic vision luminance Lp is measured by a first luminance measuring unit including a first light filter 4 and a first photoelectric converter 5, and scotopic vision luminance Ls is measured by a second luminance measuring unit including a second light filter 6 and a second photoelectric converter 7. A calculation part 8 calculates mesopic vision luminance Lmes based on a measurement value (photopic vision luminance Lp) of the first luminance measuring unit and a ratio of a measurement value (scotopic vision luminance Ls) of the second luminance measuring unit to the measurement value (photopic vision luminance Lp) of the first luminance measuring unit. Consequently, the photometry device can improve measurement accuracy of the brightness (mesopic vision luminance) in mesopic vision.Type: ApplicationFiled: July 12, 2011Publication date: March 29, 2012Applicant: Panasonic Electric Works Co., Ltd.Inventors: Takashi SAITO, Hiroki Noguchi, Naohiro Toda, Ayako Tsukitani, Kouji Nishioka, Akira Takasima, Kaoru Ibara, Kensuke Yamazoe, Hiroe Kubo, Yoshinori Karasawa