1
Urataki Etsuo, Ichikawa Masahiro: Fluorescent lamp having photocatalyst antibacterial film and its manufacturing method. Hitachi, May 24, 2002: JP2002-151000 (4 worldwide citation)

PROBLEM TO BE SOLVED: To enhance cleaning effect, up to antibacterial effect, while having deodorization/staining performance not less than that of a fluorescent lamp with a traditional photocatalyst film, without increasing the manufacturing cost.SOLUTION: Oxidized metal fine particles, in which an ...


2
Ichikawa Shinichi, Urataki Etsuo: Synergistic photocatalyst. Hitachi, June 4, 2002: JP2002-159863 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a material which is based on a new principle for enhancing photocatalytic activity.SOLUTION: This synergistic photocatalyst is a combination of a layer of an anatase titanium oxide photocatalyst activated by light in the ultraviolet region with a layer of an α-type f ...


3
Shinada Shinichi, Kimura Takeshi, Arai Yoji, Ikuta Yasushi, Koname Kanji, Minamimura Yuichi, Tsuchiya Masashi, Yasuda Makoto, Urataki Etsuo, Ota Masutomi: Discharge display element. Hitachi, May 23, 1995: JP1995-134972

PURPOSE: To provide high luminance, high efficiency, a high contrast, low starting voltage, and a long life by extending a display discharge path in the direction crossing with a surface plate, opening it toward the surface plate, and tapering it partially with steep inclination. CONSTITUTION: Light ...


4
Miyashita Hisashi, Urataki Etsuo, Shinada Shinichi, Tsuchiya Masashi, Kimura Takeshi: Fluorescent lamp for display. Hitachi, September 2, 1994: JP1994-243829

PURPOSE: To take out the light in a lamp from its top efficiently, and to realize a high brightness and a power saving of the lamp, by covering the girth and the bottom of the lamp, the inside of which is coated with phosphor, with a reflecting material which consists of a white resin. CONSTITUTION: ...


5
Urataki Etsuo, Hirota Taisuke: Metal halide lamp. Hitachi, March 11, 1994: JP1994-068850

PURPOSE: To use unwanted UV-ray effectively to improve lamp efficiency, and prevent damage to man or radiated matters by providing a UV-ray reflection film to reflect UV-ray of a specified wavelength and transmit visible light on the outer surface of an outer tube. CONSTITUTION: A UV-ray reflection ...


6
Urataki Etsuo: Variable color type high-pressure metal vapor discharge lamp. Hitachi, October 8, 1993: JP1993-258729

PURPOSE: To light up a desired arc tube with the simple structure and at a low cost by arranging a plurality of arc tubes of different luminescent colors inside an outer tube in parallel and repeating closing and opening of a switch. CONSTITUTION: A plurality of arc tubes 1a to 1c vacuum-tightly hel ...


7
Urataki Etsuo, Shinada Shinichi, Narisei Kenji, Arai Yoji, Koname Kanji, Kametani Takayuki, Tezuka Makoto, Ishizaki Hiroshi: Flood light source. Hitachi, Etou Denki, February 4, 1994: JP1994-029003

PURPOSE: To enlarge the effective reflection surface of a reflection mirror in a light projecting direction so as to improve a light collection ability, by making the external tube diameter of the bonding part of a double tube lamp bonded and be fixed to the reflection mirror smaller than the extern ...


8
Shinada Shinichi, Narisei Kenji, Urataki Etsuo, Arai Yoji, Koname Kanji, Kametani Takayuki, Tezuka Makoto, Ishizaki Hiroshi: Metallic vapor discharge lamp apparatus. Hitachi, Etou Denki, February 4, 1994: JP1994-029004

PURPOSE: To obtain a metallic vapor discharge lamp apparatus capable of raising the light collection efficiency of a reflection mirror with a simple construction and prevent, any damage caused when the discharge lamp is mounted on the reflection mirror. CONSTITUTION: A metallic vapor discharge lamp ...


9
Urataki Etsuo: Metal halide lamp. Hitachi, August 27, 1993: JP1993-217554

PURPOSE: To prevent the splashing of glass when glass is broken, by installing a spherical glass protecting bulb on the periphery of an outside bulb. CONSTITUTION: A lamp 7 is formed by assembling a base 6 and an outer bulb 3 which is formed by sealing the edge part through a Mo wire 4 or a Mo foil ...


10
Urataki Etsuo, Shinada Shinichi: High pressure metal vapor discharge lamp. Hitachi, August 13, 1993: JP1993-205700

PURPOSE: To lessen the overall size of a light emission tube by arranging a Mo foil in the direction perpendicular to the axis of electric discharge. CONSTITUTION: A high pressure metal vapor lamp 4 comprises a light emission tube 1, outer tubing 2, base 3, etc., and therein metal such as Sc, Na, Dy ...