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Arakawa Ryutaro, Kunimatsu Takashi, Yatani Yoshiaki, Fukui Minoru: Attachment for led light. Matsushita Electric, May 10, 2007: JP2007-115594 (15 worldwide citation)

PROBLEM TO BE SOLVED: To provide an attachment for LED light which is laid between an existing receptacle for a lighting apparatus etc. and an LED module to supply a constant current to the LED module.SOLUTION: A driving circuit is placed in a case which generates a constant current for driving LED ...


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Kunimatsu Takashi, Arakawa Ryutaro, Fukui Minoru, Yatani Yoshiaki: Light emitting diode driving device, and semiconductor device for driving light emitting diode. Matsushita Electric, June 7, 2007: JP2007-142057 (11 worldwide citation)

PROBLEM TO BE SOLVED: To provide a light emitting diode driving device capable of high-accuracy constant-current driving, and to provide a semiconductor device for driving a light emitting diode.SOLUTION: While a switching element 7 is in an on state, current is caused to flow from a light emitting ...


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Kunimatsu Takashi, Arakawa Ryutaro, Yatani Yoshiaki, Fukui Minoru: Light emitting diode driving device and semiconductor device for driving light emitting diode. Matsushita Electric, March 8, 2007: JP2007-059635 (6 worldwide citation)

PROBLEM TO BE SOLVED: To provide a light emitting diode driving device capable of accurate constant-current driving of a light emitting diode, and also to provide a semiconductor device for driving a light emitting diode.SOLUTION: The light emitting diode driving device causes a current to flow from ...


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Nakatake Fumiaki, Fukui Minoru, Ukai Takeyoshi, Kanagu Shinji, Iwasaki Kazuhide, Fujimoto Akihiro: Manufacture of plasma display panel. Fujitsu, March 21, 2000: JP2000-082401 (5 worldwide citation)

PROBLEM TO BE SOLVED: To improve mass production property by performing sealing process efficiently and surely. SOLUTION: A manufacturing method provided with a discharge space sealed with a sealant between a pair of substrates consists of successive conducting of a first process, in which a sealant ...


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Nishijima Jun Ichi, Fukui Minoru: Moisture and dew-detection sensor.. Asahi Chemical, August 23, 1989: EP0329436-A2 (4 worldwide citation)

A moisture and dew-detection sensor comprises a fabric and a moisture sensing resistive substance adhered in a substantially continued and dispersed state to the fabric, and a plurality of fine voids are formed in the moisture and dew-detection sensor. A response time and an accuracy of the sensor i ...


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Fukui Minoru, Yamamoto Mitsuyuki: Stretch conjugate spun yarn and woven fabric. Asahi Kasei, May 30, 2003: JP2003-155636 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide a stretch conjugate spun yarn having excellent touch feeling and warm and wet amenity of a natural fiber and suitable for woven or knitted fabric excellent in lightweight feeling and stretchability and not causing the change in touch feeling, lightweight feeling and ...


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Fukui Minoru, Kunimatsu Takashi, Yatani Yoshiaki, Arakawa Ryutaro: Light emitting diode driving device. Matsushita Electric, October 12, 2006: JP2006-278526 (2 worldwide citation)

PROBLEM TO BE SOLVED: To solve the problem, wherein when a light-emitting diode rises in its temperature, it permits the allowable forward current to change, causing its damage.SOLUTION: A switching drive circuit for supplying a current to the light-emitting diode 4 comprises a switching element blo ...


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Fukui Minoru: Semiconductor device. Matsushita Electric, April 7, 2005: JP2005-093762 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide a semiconductor device capable of preventing the generation of noise in an input signal and supplying a stabilized input waveform, in the semiconductor device in which a driver IC and a power transistor are formed monolithic.SOLUTION: The semiconductor device is cons ...


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Yatani Yoshiaki, Arakawa Ryutaro, Fukui Minoru, Kunimatsu Takashi: Switching power supply. Matsushita Electric, December 14, 2006: JP2006-340538 (2 worldwide citation)

PROBLEM TO BE SOLVED: To solve a problem wherein further reduction of power consumption is difficult, because the number of switching times are constant irrespective of a load state, though a peak value of a current that flows in a switching device drops under a no-load state in a PWM control system ...