Patents by Inventor Hiroyoshi Tanaka

Hiroyoshi Tanaka 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).

  • Patent number: 6761608
    Abstract: A PDP does not suffer from dielectric breakdown even though a dielectric layer is thin, with the problems of conventional PDPs, such as cracks appearing in the glass substrates during the production of the PDP being avoided. To do so, the surface of silver electrodes of the PDP is coated with a 0.1-10 &mgr;m layer of a metallic oxide, on whose surface OH groups exist, such as ZnO, ZrO2, MgO, TiO2, Al2O3, and Cr2O3. The metallic oxide layer is then coated with the dielectric layer. It is preferable to form the metallic oxide layer with the CVD method. The surface of a metallic electrode can be coated with a metallic oxide, which is then coated with a dielectric layer. The dielectric layer can be made of a metallic oxide with a vacuum process method or the plasma thermal spraying method. The dielectric layer formed on electrodes with the CVD method is remarkably thin and flawless.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: July 13, 2004
    Assignee: Matsushita Electric Industrial Co. Ltd.
    Inventors: Hiroyoshi Tanaka, Ryuichi Murai, Hideaki Yasui, Yoshiki Sasaki, Akira Shiokawa, Masatoshi Kudoh, Koichi Kotera, Masaki Aoki, Mitsuhiro Ohtani, Shigeo Suzuki, Kinzou Nonomura
  • Patent number: 6758714
    Abstract: Plasma display panels of the prior art are prone to cross talk leading to unstable image.
    Type: Grant
    Filed: July 30, 2001
    Date of Patent: July 6, 2004
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yoshiki Sasaki, Ryuichi Murai, Hiroyoshi Tanaka, Hideaki Yasui, Masatoshi Kudoh, Akira Shiokawa, Junichi Hibino, Hidetaka Higashino, Kinzo Nonomura, Shigeo Suzuki, Masaki Aoki
  • Publication number: 20040095067
    Abstract: An electrode plate, a method of manufacturing the same, a gas discharge panel using an electrode plate, and a method of manufacturing the same are provided by incorporating a relatively simple structure, which can keep electrodes formed on a plate from peeling or becoming misaligned. In the electrode plate, at least one electrode is formed and adhered to a main surface of a plate by a thick film or thin film formation method, wherein of all ends of the electrode, at least an end opposite to an end at a power supply point is adhered to the main surface of the plate with stronger adhesion than the other parts of the electrode.
    Type: Application
    Filed: June 27, 2003
    Publication date: May 20, 2004
    Inventors: Hideaki Yasui, Kazuhiko Sugimoto, Keisuke Sumida, Hiroyoshi Tanaka, Shinya Fujiwara, Hideki Marunaka, Kazunori Hirao
  • Publication number: 20040090181
    Abstract: An electrode plate, a method of manufacturing the same, a gas discharge panel using an electrode plate, and a method of manufacturing the same are provided by incorporating a relatively simple structure, which can keep electrodes formed on a plate from peeling or becoming misaligned. In the electrode plate, at least one electrode is formed and adhered to a main surface of a plate by a thick film or thin film formation method, wherein of all ends of the electrode, at least an end opposite to an end at a power supply point is adhered to the main surface of the plate with stronger adhesion than the other parts of the electrode.
    Type: Application
    Filed: June 30, 2003
    Publication date: May 13, 2004
    Inventors: Hideaki Yasui, Kazuhiko Sugimoto, Keisuke Sumida, Hiroyoshi Tanaka, Shinya Fujiwara, Hideki Marunaka, Kazunori Hirao
  • Publication number: 20040070575
    Abstract: The object of the present invention is to provide a plasma display panel that contributes to reduction of loss costs by reducing the number of plasma display panels that need to be disposed of after performance evaluation tests. In order to achieve the object, the plasma display panel of the present invention comprises a front glass substrate and a rear glass substrate opposing each other, an image display cell field and an evaluation cell field that are both provided between the front and the rear glass substrates and are each sealed with an airtight sealing layer independently of the other cell field. Performance evaluation tests of the plasma display panel are performed by driving the evaluation cell field.
    Type: Application
    Filed: September 29, 2003
    Publication date: April 15, 2004
    Inventors: Kazuhiko Sugimoto, Kazuyuki Hasegawa, Hideaki Yasui, Hiroyoshi Tanaka, Koji Aoto, Hiroki Kono, Tadakazu Hayashi, Hajime Ikejima, Yoshinao Ooe, Masaaki Yamauchi
  • Publication number: 20040053555
    Abstract: A manufacturing method for a gas discharge panel according to the invention can reduce the amount of water and gaseous molecules, which are absorbed into the first and the second substrates, to a minimum by keeping the both substrates under a reduced pressure, and therefore can prevent a degradation of a discharge gas filling the finished panel. As a result, problems in the finished panel such as increase in a discharge starting voltage and generation of an abnormal discharge can be suppressed.
    Type: Application
    Filed: July 9, 2003
    Publication date: March 18, 2004
    Inventors: Yoshiki Sasaki, Junichi Hibino, Hiroyoshi Tanaka, Akira Shiokawa, Masafumi Ookawa
  • Publication number: 20040027070
    Abstract: An electrode plate, a method of manufacturing the same, a gas discharge panel using an electrode plate, and a method of manufacturing the same are provided by incorporating a relatively simple structure, which can keep electrodes formed on a plate from peeling or becoming misaligned. In the electrode plate, at least one electrode is formed and adhered to a main surface of a plate by a thick film or thin film formation method, wherein of all ends of the electrode, at least an end opposite to an end at a power supply point is adhered to the main surface of the plate with stronger adhesion than the other parts of the electrode.
    Type: Application
    Filed: April 18, 2003
    Publication date: February 12, 2004
    Inventors: Hideaki Yasui, Kazuhiko Sugimoto, Keisuke Sumida, Hiroyoshi Tanaka, Shinya Fujiwara, Hideki Marunaka, Kazunori Hirao
  • Patent number: 6603262
    Abstract: An electrode plate, a method of manufacturing the same, a gas discharge panel using an electrode plate, and a method of manufacturing the same are provided by incorporating a relatively simple structure, which can keep electrodes formed on a plate from peeling or becoming misaligned. In the electrode plate, at least one electrode is formed and adhered to a main surface of a plate by a thick film or thin film formation method, wherein of all ends of the electrode, at least an end opposite to an end at a power supply point is adhered to the main surface of the plate with stronger adhesion than the other parts of the electrode.
    Type: Grant
    Filed: December 4, 2000
    Date of Patent: August 5, 2003
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hideaki Yasui, Kazuhiko Sugimoto, Keisuke Sumida, Hiroyoshi Tanaka, Shinya Fujiwara, Hideki Marunaka, Kazunori Hirao
  • Patent number: 6595623
    Abstract: There is provided a plastic base material having a reformed layer 2 formed on a plastic substrate 1 by reforming the surface layer thereof into a component containing fluorine at the ratio of the number of fluorine atoms to the number of carbon atoms, F/C, of 0.85 or more and 1.30 or less, and having highly durable water repellency and ink repellency. The method of manufacturing such a plastic base material comprises a step of reforming the surface of the plastic substrate 1 into a fluorine-containing carbon layer by imparting a specific energy to fluorine-containing plasma by applying an RF bias voltage to the plastic substrate 1 to form a surface having highly durable water repellency and ink repellency. A highly durable ink-jet printer that enables high-quality printing can be provided by the use of a head for an ink-jet printer fabricated by using this plastic base material.
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: July 22, 2003
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Koichi Kotera, Hiroyoshi Tanaka, Isamu Inoue, Osamu Watanabe
  • Patent number: 6548962
    Abstract: A gas discharge panel in which cell filled with a discharge gas are arranged as a matrix between a pair of opposed plates, and in which a pair of display electrodes on a surface of one of the pair of opposed plates extend across a plurality of cells in the direction of rows, where a gap between the pair of display electrodes has two discharge gap widths one of which is larger than the other. The voltage is lowered and the power consumption is properly restricted by starting the discharge at the discharge gap at a space having the smaller gap width. An excellent discharge efficiency is secured by sustaining the discharge at a space having the larger gap width.
    Type: Grant
    Filed: February 8, 2000
    Date of Patent: April 15, 2003
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Akira Shiokawa, Ryuichi Murai, Hiroyoshi Tanaka, Yoshiki Sasaki, Masatoshi Kudoh, Masaki Aoki, Hidetaka Higashino, Kinzou Nonomura
  • Patent number: 6433489
    Abstract: A plasma display (PDP) manufacturing method and display panel includes a display electrode forming step of forming a plurality of pairs of display electrodes in parallel lines on a main surface of a first plate, and a plate sealing step of aligning the main surface of the first plate with a main surface of a second plate, and sealing the first and second plates together. The display electrodes are formed by coating the main surface of the first plate with display electrode material, and performing laser ablation on parts of the display electrode material, while the remaining parts of the display electrode material form the display electrodes.
    Type: Grant
    Filed: October 24, 2000
    Date of Patent: August 13, 2002
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroyoshi Tanaka, Masaki Aoki, Junichi Hibino, Yuusuke Takada, Nobuaki Nagao, Isamu Inoue, Shinya Hujiwara, Koji Funami, Toshiyuki Okada
  • Patent number: 6419540
    Abstract: A PDP does not suffer from dielectric breakdown though a dielectric layer is thin, with the problems of conventional PDPs, such as cracks appearing in the glass substrates during the production of the PDP being avoided. To do so, the surface of silver electrodes of the PDP is coated with a 0.1-10 &mgr;m layer of a metallic oxide, on whose surface OH groups exist, such as ZnO, ZrO2, MgO, TiO2, Al2O3, and Cr2O3. The metallic oxide layer is then coated with the dielectric layer. It is preferable to form the metallic oxide layer with the CVD method. The surface of a metallic electrode can be coated with a metallic oxide, which is then coated with a dielectric layer. The dielectric layer can be made of a metallic oxide with a vacuum process method or the plasma thermal spraying method. The dielectric layer formed on electrodes with the CVD method is remarkably thin and flawless.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: July 16, 2002
    Assignee: Mastushita Electric Industrial Co., Ltd.
    Inventors: Hiroyoshi Tanaka, Ryuichi Murai, Hideaki Yasui, Yoshiki Sasaki, Akira Shiokawa, Masatoshi Kudoh, Koichi Kotera, Masaki Aoki, Mitsuhiro Ohtani, Shigeo Suzuki, Kinzou Nonomura
  • Publication number: 20020036466
    Abstract: A PDP does not suffer from dielectric breakdown even though a dielectric layer is thin, with the problems of conventional PDPs, such as cracks appearing in the glass substrates during the production of the PDP being avoided. To do so, the surface of silver electrodes of the PDP is coated with a 0.1-10 &mgr;m layer of a metallic oxide, on whose surface OH groups exist, such as ZnO, ZrO2, MgO, TiO2, Al2O3, and Cr2O3. The metallic oxide layer is then coated with the dielectric layer. It is preferable to form the metallic oxide layer with the CVD method. The surface of a metallic electrode can be coated with a metallic oxide, which is then coated with a dielectric layer. The dielectric layer can be made of a metallic oxide with a vacuum process method or the plasma thermal spraying method. The dielectric layer formed on electrodes with the CVD method is remarkably thin and flawless.
    Type: Application
    Filed: September 26, 2001
    Publication date: March 28, 2002
    Inventors: Hiroyoshi Tanaka, Ryuichi Murai, Hideaki Yasui, Yoshiki Sasaki, Akira Shiokawa, Masatoshi Kudoh, Koichi Kotera, Masaki Aoki, Mitsuhiro Ohtani, Shigeo Suzuki, Kinzou Nonomura
  • Publication number: 20020034917
    Abstract: A PDP does not suffer from dielectric breakdown even though a dielectric layer is thin, with the problems of conventional PDPs, such as cracks appearing in the glass substrates during the production of the PDP being avoided. To do so, the surface of silver electrodes of the PDP is coated with a 0.1-10 &mgr;m layer of a metallic oxide, on whose surface OH groups exist, such as ZnO, ZrO2, MgO, TiO2, Al2O3, and Cr2O3. The metallic oxide layer is then coated with the dielectric layer. It is preferable to form the metallic oxide layer with the CVD method. The surface of a metallic electrode can be coated with a metallic oxide, which is then coated with a dielectric layer. The dielectric layer can be made of a metallic oxide with a vacuum process method or the plasma thermal spraying method. The dielectric layer formed on electrodes with the CVD method is remarkably thin and flawless.
    Type: Application
    Filed: September 26, 2001
    Publication date: March 21, 2002
    Inventors: Hiroyoshi Tanaka, Ryuichi Murai, Hideaki Yasui, Yoshiki Sasaki, Akira Shiokawa, Masatoshi Kudoh, Koichi Kotera, Masaki Aoki, Mitsuhiro Ohtani, Shigeo Suzuki, Kinzou Nonomura
  • Patent number: 6353287
    Abstract: Plasma display panels of the prior art are prone to cross talk leading to unstable image. The present invention provides a gas discharge panel comprising a first panel substrate 104 having first electrodes 24, a second panel substrate 108 having second electrodes 23 opposing the first panel substrate 104, a sealing portion provided between peripheries of the two substrates for forming a gas discharge space 112 between the first and second panel substrates 104, 108 and division walls 30 provided on the second panel substrate 108 for dividing the gas discharge space 112, wherein ridges of the division walls 30 are bonded onto the inner surface of the first panel substrate 104 by a frit glass 31.
    Type: Grant
    Filed: June 16, 1999
    Date of Patent: March 5, 2002
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yoshiki Sasaki, Ryuichi Murai, Hiroyoshi Tanaka, Hideaki Yasui, Masatoshi Kudoh, Akira Shiokawa, Junichi Hibino, Hidetaka Higashino, Kinzo Nonomura, Shigeo Suzuki, Masaki Aoki
  • Publication number: 20020022139
    Abstract: There is provided a plastic base material having a reformed layer 2 formed on a plastic substrate 1 by reforming the surface layer thereof into a component containing fluorine at the ratio of the number of fluorine atoms to the number of carbon atoms, F/C, of 0.85 or more and 1.30 or less, and having highly durable water repellency and ink repellency. The method of manufacturing such a plastic base material comprises a step of reforming the surface of the plastic substrate 1 into a fluorine-containing carbon layer by imparting a specific energy to fluorine-containing plasma by applying an RF bias voltage to the plastic substrate 1 to form a surface having highly durable water repellency and ink repellency. A highly durable ink-jet printer that enables high-quality printing can be provided by the use of a head for an ink-jet printer fabricated by using this plastic base material.
    Type: Application
    Filed: September 18, 2001
    Publication date: February 21, 2002
    Inventors: Koichi Kotera, Hiroyoshi Tanaka, Isamu Inoue, Osamu Watanabe
  • Publication number: 20020017862
    Abstract: Plasma display panels of the prior art are prone to cross talk leading to unstable image.
    Type: Application
    Filed: July 30, 2001
    Publication date: February 14, 2002
    Inventors: Yoshiki Sasaki, Ryuichi Murai, Hiroyoshi Tanaka, Hideaki Yasui, Masatoshi Kudoh, Akira Shiokawa, Junichi Hibino, Hidetaka Higashino, Kinzo Nonomura, Shigeo Suzuki, Masaki Aoki
  • Publication number: 20020008481
    Abstract: An electrode plate, a method of manufacturing the same, a gas discharge panel using an electrode plate, and a method of manufacturing the same are provided by incorporating a relatively simple structure, which can keep electrodes formed on a plate from peeling or becoming misaligned. In the electrode plate, at least one electrode is formed and adhered to a main surface of a plate by a thick film or thin film formation method, wherein of all ends of the electrode, at least an end opposite to an end at a power supply point is adhered to the main surface of the plate with stronger adhesion than the other parts of the electrode.
    Type: Application
    Filed: December 4, 2000
    Publication date: January 24, 2002
    Inventors: Hideaki Yasui, Kazuhiko Sugimoto, Keisuke Sumida, Hiroyoshi Tanaka, Shinya Fujiwara, Hideki Marunaka, Kazunori Hirao
  • Patent number: 6296946
    Abstract: There is provided a plastic base material having a reformed layer 2 formed on a plastic substrate 1 by reforming the surface layer thereof into a component containing fluorine at the ratio of the number of fluorine atoms to the number of carbon atoms, F/C, of 0.85 or more and 1.30 or less, and having highly durable water repellency and ink repellency. The method of manufacturing such a plastic base material comprises a step of reforming the surface of the plastic substrate 1 into a fluorine-containing carbon layer by imparting a specific energy to fluorine-containing plasma by applying an RF bias voltage to the plastic substrate 1 to form a surface having highly durable water repellency and ink repellency. A highly durable ink-jet printer that enables high-quality printing can be provided by the use of a head for an ink-jet printer fabricated by using this plastic base material.
    Type: Grant
    Filed: April 1, 1999
    Date of Patent: October 2, 2001
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Koichi Kotera, Hiroyoshi Tanaka, Isamu Inoue, Osamu Watanabe
  • Patent number: 6160345
    Abstract: A PDP does not suffer from dielectric breakdown even though a dielectric layer is thin, with the problems of conventional PDPs, such as cracks appearing in the glass substrates during the production of the PDP being avoided. To do so, the surface of silver electrodes of the PDP is coated with a 0.1-10 .mu.m layer of a metallic oxide on whose surface OH groups exist, such as ZnO, ZrO.sub.2, MgO, TiO.sub.2, Al.sub.2 O.sub.3, and Cr.sub.2 O.sub.3. The metallic oxide layer is then coated with the dielectric layer. It is preferable to form the metallic oxide layer with the CVD method. The surface of a metallic electrode can be coated with a metallic oxide, which is than coated with a dielectric layer. The dielectric layer can be made of a metallic oxide with a vacuum process method or the plasma thermal spraying method. The dielectric layer formed on electrodes with the CVD method is remarkably thin and flawless.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: December 12, 2000
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroyoshi Tanaka, Ryuichi Murai, Hideaki Yasui, Yoshiki Sasaki, Akira Shiokawa, Masatoshi Kudoh, Koichi Kotera, Masaki Aoki, Mitsuhiro Ohtani, Shigeo Suzuki, Kinzou Nonomura