Patents by Inventor Shunsuke Kakisaka
Shunsuke Kakisaka 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: 8558457Abstract: A lamp (14) has an inner tube (32) pinch sealed at one end to form a pinch seal (82), to which a base (36) is attached. The base (36) has a pair of base pins (102, 104) provided in parallel to the axis of the inner tube (32). A pair of connection wires (98, 100) that extend out from the pinch seal (82) are inserted into the respective base pins (102, 104) and are fixed by concavities located in a portion of the base pins (102, 104). Each of the concavities is concave in a direction orthogonal to the base pins (102, 104) and parallel to an imaginary plane that traverses central axes of the base pins (102, 104).Type: GrantFiled: January 21, 2011Date of Patent: October 15, 2013Assignee: Panasonic CorporationInventors: Atsushi Utsubo, Shunsuke Kakisaka, Jun Tominaga, Masahito Yoshida
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Patent number: 8519605Abstract: The present invention aims to provide a metal vapor discharge lamp that has an outer tube less likely to break, and that is obtained at low manufacturing cost. A metal vapor discharge lamp 10 comprises: an outer tube 300 having an open end portion 301 at one end and a closed end portion 302 at another end; an inner tube 200 housed in the outer tube 300; a discharge tube 100 housed in the inner tube 200; and a base 400 attached to the open end portion 301 of the outer tube 300, wherein relationships of t?1.1×d?0.4; 0<d; and 0.3?t are satisfied, where t denotes a minimum thickness, in millimeters, of the closed end portion 302 of the outer tube 300, d denotes a shortest distance, in millimeters, in a direction of a longitudinal axis of the outer tube 300, between an inner surface 304 of the closed end portion 302 of the outer tube 300 and an outer surface 204 of an end portion 202 of the inner tube 200, the end portion 202 being located opposite from the base 400.Type: GrantFiled: May 2, 2011Date of Patent: August 27, 2013Assignee: Panasonic CorporationInventors: Yukiya Kanazawa, Atsushi Utsubo, Shunsuke Kakisaka
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Patent number: 8427056Abstract: A lamp having: an arc tube (30) including a main tube portion and a pair of thin tube portions (46) provided at ends of the main tube portion; and an adjacent conductor (78) including a strip-shaped metal plate. In the adjacent conductor (78), a portion of the metal plate in the direction of length thereof, from the middle of the metal plate to just before an edge thereof, is a gripping portion (92) having a shape suitable for gripping the outer circumferential of one of the thin tube portions (46). One end of the gripping portion (92) is a free end. The gripping portion (92) is disposed along an outer circumferential surface of the thin tube portion (46) so as to be in contact with the outer circumferential surface, and is elastically deformable in accordance with expansion in the radial direction of the thin tube portion (46).Type: GrantFiled: January 12, 2011Date of Patent: April 23, 2013Assignee: Panasonic CorporationInventors: Atsushi Utsubo, Shunsuke Kakisaka, Akio Takubo, Masahito Yoshida, Yukiya Kanazawa
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Publication number: 20120267994Abstract: The present invention aims to provide a metal vapor discharge lamp that has an outer tube less likely to break, and that is obtained at low manufacturing cost. A metal vapor discharge lamp 10 comprises: an outer tube 300 having an open end portion 301 at one end and a closed end portion 302 at another end; an inner tube 200 housed in the outer tube 300; a discharge tube 100 housed in the inner tube 200; and a base 400 attached to the open end portion 301 of the outer tube 300, wherein relationships of t?1.1×d?0.4; 0<d; and 0.3?t are satisfied, where t denotes a minimum thickness, in millimeters, of the closed end portion 302 of the outer tube 300, d denotes a shortest distance, in millimeters, in a direction of a longitudinal axis of the outer tube 300, between an inner surface 304 of the closed end portion 302 of the outer tube 300 and an outer surface 204 of an end portion 202 of the inner tube 200, the end portion 202 being located opposite from the base 400.Type: ApplicationFiled: May 2, 2011Publication date: October 25, 2012Inventors: Yukiya Kanazawa, Atsushi Utsubo, Shunsuke Kakisaka
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Patent number: 8258689Abstract: To aim to provide a lighting apparatus that is compact yet easy in lamp replacement. A lighting apparatus 1 comprises: a lamp 6 including an outer tube 13 and an arc tube 15 provided inside the outer tube 13; and an opening-type lighting fixture 3 having a mirror part 11 having a concave reflective surface 9 inside which the lamp 6 is disposed. The mirror part 11 reflects light emitted from the lamp 6 at the reflection surface 9 such that the reflected light is emitted through an opening 10 of the mirror part 11. Relational expressions 22?r?28, R?130, and 3.5?R/r are satisfied, with r denoting a maximum outer diameter [mm] of the outer tube 13, and R denoting an opening diameter [mm] of the mirror part 11.Type: GrantFiled: April 24, 2009Date of Patent: September 4, 2012Assignee: Panasonic CorporationInventors: Shunsuke Kakisaka, Hiroshi Nohara, Makoto Inoue
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Publication number: 20120187829Abstract: A lamp (14) has an inner tube (32) pinch sealed at one end to form a pinch seal (82), to which a base (36) is attached. The base (36) has a pair of base pins (102, 104) provided in parallel to the axis of the inner tube (32). A pair of connection wires (98, 100) that extend out from the pinch seal (82) are inserted into the respective base pins (102, 104) and are fixed by concavities located in a portion of the base pins (102, 104). Each of the concavities is concave in a direction orthogonal to the base pins (102, 104) and parallel to an imaginary plane that traverses central axes of the base pins (102, 104).Type: ApplicationFiled: January 21, 2011Publication date: July 26, 2012Inventors: Atsushi Utsubo, Shunsuke Kakisaka, Jun Tominaga, Masahito Yoshida
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Patent number: 8227959Abstract: A metal vapor discharge lamp comprising an arc tube, an airtight tube housing the arc tube, and a base bonded to one end of the airtight tube with use of an adhesive, wherein the airtight tube is covered by a protective tube to improve safety as compared to a case where the protective tube is simply bonded to the base with an adhesive. The protective tube is fixed to the base with a double fall-off prevention structure, and latched to the base when a force including gravity and inertia acts on the protective tube toward the closed end of the protective tube in the axial direction thereof. The above-described structure eliminates the need of arranging the protective wall for securing the safety on the side of a lighting device on which the metal vapor discharge lamp is to be fixed, thereby preventing the lighting device from becoming large in size.Type: GrantFiled: November 19, 2010Date of Patent: July 24, 2012Assignee: Panasonic CorporationInventor: Shunsuke Kakisaka
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Publication number: 20120146498Abstract: A lamp having: an arc tube (30) including a main tube portion and a pair of thin tube portions (46) provided at ends of the main tube portion; and an adjacent conductor (78) including a strip-shaped metal plate. In the adjacent conductor (78), a portion of the metal plate in the direction of length thereof, from the middle of the metal plate to just before an edge thereof, is a gripping portion (92) having a shape suitable for gripping the outer circumferential of one of the thin tube portions (46). One end of the gripping portion (92) is a free end. The gripping portion (92) is disposed along an outer circumferential surface of the thin tube portion (46) so as to be in contact with the outer circumferential surface, and is elastically deformable in accordance with expansion in the radial direction of the thin tube portion (46).Type: ApplicationFiled: January 12, 2011Publication date: June 14, 2012Inventors: Atsushi Utsubo, Shunsuke Kakisaka, Akio Takubo, Masahito Yoshida, Yukiya Kanazawa
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Patent number: 8063566Abstract: An object of the present invention is to provide an illumination apparatus which includes an illumination fixture having an open-type reflector and a metal halide lamp, and can suppress a decrease in intensity and occurrence of glare. The illumination apparatus includes a metal halide lamp and an illumination fixture. The metal halide lamp includes an arc tube which has therein a pair of electrodes, an inner tube which houses the arc tube and has a pinch seal part at one end, and an outer tube which houses the inner tube and has a base at one end. The illumination fixture includes a reflector having a concave reflecting surface, a socket, and an attachment. In the inner tube, a diffusing part which diffuses light emitted from the arc tube is formed in an area closer to a lower end of the inner tube than a center between the pair of electrodes.Type: GrantFiled: December 26, 2006Date of Patent: November 22, 2011Assignee: Panasonic CorporationInventors: Shunsuke Kakisaka, Masanori Higashi, Rie Tonomori
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Patent number: 7990035Abstract: With regard to a metal vapor discharge lamp with a triple tube structure including a discharge tube, an inner tube, and an outer tube, misalignment of axes of the inner tube and the outer tube is prevented. The metal vapor discharge lamp (14) is composed of a discharge tube (30) having a pair of electrodes therein, an inner tube (32) having a pinch-sealed part (86) at an end thereof and hermitically housing the discharge tube therein, and an outer tube (34) housing the inner tube therein, and a base (36). In a clearance between the inner tube and the outer tube, there disposed a restrain member (37) for restraining movement of the inner tube relative to the outer tube in a direction orthogonal to an axis of the metal vapor discharge lamp.Type: GrantFiled: May 29, 2007Date of Patent: August 2, 2011Assignee: Panasonic CorporationInventors: Rie Tonomori, Masanori Higashi, Shunsuke Kakisaka, Kazuo Takeda
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Patent number: 7965042Abstract: A metal halide lamp according to the present invention includes: an outer tube 2; an inner tube 3 that is provided in the outer tube 2, has a sealing portion 10 in at least one end portion, and is made of quartz glass; an inner tube 3 provided in the outer tube 2; and an arc tube 4 provided in the inner tube 3, wherein assuming that the outer tube 2 has a maximum outer diameter A (mm), the inner tube 3 has a maximum outer diameter B (mm), and the metal halide lamp 1 consumes P (W) of power, the following relationships are satisfied: 0.06P+15.8?A?25, 0.05P+9.0?B, and 1.14?A/B, where P satisfies 20 W?P?130 W.Type: GrantFiled: November 25, 2008Date of Patent: June 21, 2011Assignee: Panasonic CorporationInventors: Shunsuke Kakisaka, Masahito Yoshida
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Publication number: 20110089828Abstract: Provided is a metal halide lamp that can (i) prevent flicker in an illuminated surface of an arc tube, which is caused by violent movement of an electric arc when the lamp is lit while being tilted, (ii) suppress an early reduction in a luminous flux maintenance factor, and (iii) suppress formation of cracks in an enclosure of the arc tube. The lamp comprises (i) an arc tube 3 that (a) is arranged inside an outer tube 2, (b) has at least one selected from the group consisting of Ce and Pr enclosed therein as a light emitting material, and (c) is made of translucent ceramic, and (ii) a sleeve 4 arranged outside the arc tube 3, so as to surround a part of a discharge space 13 in the arc tube 3 extending between a pair of electrodes 12. The relationship 0.7<L/D<3 is satisfied in the lamp, with L denoting the inter-electrode distance [mm] and D denoting a largest inner diameter [mm] of a part of the arc tube 3 surrounding the part of the discharge space 13. The relationship R/r??0.0019P+2.Type: ApplicationFiled: March 26, 2009Publication date: April 21, 2011Inventors: Yukiya Kanazawa, Shunsuke Kakisaka
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Publication number: 20110062867Abstract: A metal vapor discharge lamp comprising an arc tube, an airtight tube housing the arc tube, and a base bonded to one end of the airtight tube with use of an adhesive, wherein the airtight tube is covered by a protective tube to improve safety as compared to a case where the protective tube is simply bonded to the base with an adhesive. The protective tube is fixed to the base with a double fall-off prevention structure, and latched to the base when a force including gravity and inertia acts on the protective tube toward the closed end of the protective tube in the axial direction thereof. The above-described structure eliminates the need of arranging the protective wall for securing the safety on the side of a lighting device on which the metal vapor discharge lamp is to be fixed, thereby preventing the lighting device from becoming large in size.Type: ApplicationFiled: November 19, 2010Publication date: March 17, 2011Applicant: Panasonic CorporationInventor: Shunsuke Kakisaka
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Publication number: 20110025184Abstract: To aim to provide a lighting apparatus that is compact yet easy in lamp replacement. A lighting apparatus 1 comprises: a lamp 6 including an outer tube 13 and an arc tube 15 provided inside the outer tube 13; and an opening-type lighting fixture 3 having a mirror part 11 having a concave reflective surface 9 inside which the lamp 6 is disposed. The mirror part 11 reflects light emitted from the lamp 6 at the reflection surface 9 such that the reflected light is emitted through an opening 10 of the mirror part 11. Relational expressions 22?r?28, R?130, and 3.5?R/r are satisfied, with r denoting a maximum outer diameter [mm] of the outer tube 13, and R denoting an opening diameter [mm] of the mirror part 11.Type: ApplicationFiled: April 24, 2009Publication date: February 3, 2011Inventors: Shunsuke Kakisaka, Hiroshi Nohara, Makoto Inoue
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Patent number: 7859174Abstract: A metal vapor discharge lamp comprising an arc tube, an airtight tube housing the arc tube, and a base bonded to one end of the airtight tube with use of an adhesive, wherein the airtight tube is covered by a protective tube to improve safety as compared to a case where the protective tube is simply bonded to the base with an adhesive. The protective tube is fixed to the base with a double fall-off prevention structure, and latched to the base when a force including gravity and inertia acts on the protective tube toward the closed end of the protective tube in the axial direction thereof. The above-described structure eliminates the need of arranging the protective wall for securing the safety on the side of a lighting device on which the metal vapor discharge lamp is to be fixed, thereby preventing the lighting device from becoming large in size.Type: GrantFiled: January 17, 2007Date of Patent: December 28, 2010Assignee: Panasonic CorporationInventor: Shunsuke Kakisaka
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Publication number: 20090206753Abstract: A metal vapor discharge lamp comprising an arc tube, an airtight tube housing the arc tube, and a base bonded to one end of the airtight tube with use of an adhesive, wherein the airtight tube is covered by a protective tube to improve safety as compared to a case where the protective tube is simply bonded to the base with an adhesive. The protective tube is fixed to the base with a double fall-off prevention structure, and latched to the base when a force including gravity and inertia acts on the protective tube toward the closed end of the protective tube in the axial direction thereof. The above-described structure eliminates the need of arranging the protective wall for securing the safety on the side of a lighting device on which the metal vapor discharge lamp is to be fixed, thereby preventing the lighting device from becoming large in size.Type: ApplicationFiled: January 17, 2007Publication date: August 20, 2009Inventor: Shunsuke Kakisaka
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Publication number: 20090085484Abstract: A metal halide lamp according to the present invention includes: an outer tube 2; an inner tube 3 that is provided in the outer tube 2, has a sealing portion 10 in at least one end portion, and is made of quartz glass; an inner tube 3 provided in the outer tube 2; and an arc tube 4 provided in the inner tube 3, wherein assuming that the outer tube 2 has a maximum outer diameter A (mm), the inner tube 3 has a maximum outer diameter B (mm), and the metal halide lamp 1 consumes P (W) of power, the following relationships are satisfied: 0.06P+15.8?A?25, 0.05P+9.0?B, and 1.14?A/B, where P satisfies 20 W?P?130 W.Type: ApplicationFiled: November 25, 2008Publication date: April 2, 2009Applicant: PANASONIC CORPORATIONInventors: Shunsuke KAKISAKA, Masahito YOSHIDA
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Publication number: 20090045745Abstract: An object of the present invention is to provide an illumination apparatus which includes an illumination fixture having an open-type reflector and a metal halide lamp, and can suppress a decrease in intensity and occurrence of glare. An illumination apparatus (10) of the present invention includes a metal halide lamp (14) and an illumination fixture (12). The metal halide lamp includes an arc tube (30) which has therein a pair of electrodes, an inner tube (32) which houses the arc tube and has a pinch seal part at one end, and an outer tube (34) which houses the inner tube and has a base at one end. The illumination fixture includes a reflector (16) having a concave reflecting surface (20), a socket, and an attachment (18). In the inner tube, a diffusing part (88) which diffuses light emitted from the arc tube is formed in an area closer to a lower end of the inner tube than a center between the pair of electrodes.Type: ApplicationFiled: December 26, 2006Publication date: February 19, 2009Inventors: Shunsuke Kakisaka, Masanori Higashi, Rie Tonomori
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Patent number: 7348730Abstract: he present invention aims at providing a metal halide lamp having a configuration to achieve the following goals: to prevent the lamp from burning out during the life due to a rise in lamp voltage; and to obtain high luminous efficiency at the same time. The metal halide lamp 1 comprises: an arc tube 4 made of translucent ceramic and having a main tube part 6 in which a pair of electrodes 14 is disposed; and an outer tube 3 housing the arc tube 4 therein. 4.0?L/D?10.0, where L (mm) is a length of a space between the electrodes 14 and D (mm) is an internal diameter of the main tube part 6. R/r ?3.4, where R (mm) is an internal diameter of the outer tube 3 and r (mm) is an external diameter in the main tube part 6 of the arc tube 4, within a region positionally corresponding to, in a radial direction of the outer tube and the arc tube, the space between the electrodes 14, on a cross-sectional surface where an outer circumference of the arc tube 4 comes closest to an inner circumference of the outer tube 3. M?4.Type: GrantFiled: December 20, 2004Date of Patent: March 25, 2008Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Shunsuke Kakisaka, Hiroshi Nohara, Atsushi Utsubo, Yukiya Kanazawa
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Publication number: 20070182333Abstract: A metal halide lamp according to the present invention includes: an outer tube 2; an inner tube 3 that is provided in the outer tube 2, has a sealing portion 10 in at least one end portion, and is made of quartz glass; an inner tube 3 provided in the outer tube 2; and an arc tube 4 provided in the inner tube 3, wherein assuming that the outer tube 2 has a maximum outer diameter A (mm), the inner tube 3 has a maximum outer diameter B (mm), and the metal halide lamp 1 consumes P (W) of power, the following relationships are satisfied: 0.06P+15.8?A?25, 0.05P+9.0?B, and 1.14?A/B, where P satisfies 20 W?P?130W.Type: ApplicationFiled: June 3, 2005Publication date: August 9, 2007Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Shunsuke Kakisaka, Masahito Yoshida