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Iwamoto Hideo, Iida Takahiko, Ryu Nobuyuki: Solar battery controller and solar power generating device. Mitsubishi Electric, Kakei Gakuen, December 15, 2000: JP2000-347753 (60 worldwide citation)

PROBLEM TO BE SOLVED: To provide a solar power generating device having a maximum power point tracking function capable of accurately detecting a maximum power point even when the output power-output voltage characteristic of a solar battery has a plurality of peaks without making the output voltage ...


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Iwamoto Hideo, Iida Takahiko, Ryu Nobuyuki: Linking apparatus. Mitsubishi Electric, Iida Takahiko, November 2, 2001: JP2001-309561 (7 worldwide citation)

PROBLEM TO BE SOLVED: To avoid an overcurrent which is applied to an inverter by the control failure of the inverter which is caused by aging change of a capacitance of a capacitor for smoothing an output of a solar battery in a linking apparatus.SOLUTION: When a maximum power following control unit ...


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Iwamoto Hideo, Iida Takahiko, Ryu Nobuyuki: Switched mode rectifier. Mitsubishi Electric, Kakei Gakuen, June 22, 2001: JP2001-169553 (2 worldwide citation)

PROBLEM TO BE SOLVED: To realize an SMR capable of avoiding problems such as difficulty of circuit parameter adjustment and many components which are caused by an analog circuit by controlling a PWM pulse control part not with an analog circuit but with software.SOLUTION: Data of each pulse width of ...


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Iida Takahiko, Valeri Kroumov, Ryu Nobuyuki, Takano Kazukiyo: Pump. Okayama Prefecture, Okayama Prefecture Industrial Promotion Foundation, October 9, 2008: JP2008-240663 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a pump capable of providing a desired output state by properly operating a diaphragm.SOLUTION: This pump has a housing having a storage chamber for temporarily storing fluid, a feeding pipe communicated with and connected to the storage chamber via a one-way valve an ...


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Tamura Yasuo, Suzuki Kichisuke, Saito Yoshiyuki, Yamauchi Hidefumi, Kawarada Kensuke, Iida Takahiko: Method of manufacturing woody board. Tokyo Board Kogyo, Koyo Sangyo, Tokyo Metropolitan Industrial Technology Research Institute, December 27, 2007: JP2007-331286

PROBLEM TO BE SOLVED: To provide a method of manufacturing a woody board made from a recycled woody chip or recycled woody fiber as a main raw material, passing a severely regulated value of a formaldehyde amount diffused from the products, that is, regulated by a building code, for reducing a produ ...


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Shimada Katsuhiro, Iida Takahiko, Kawarada Kensuke, Hamabe Hisatsugu, Okayama Takayuki: Active carbon made from waste paper and its production. Shimada Katsuhiro, Iida Takahiko, Kawarada Kensuke, Hamabe Hisatsugu, Okayama Takayuki, June 29, 1999: JP1999-171524

PROBLEM TO BE SOLVED: To obtain the adsorption performance equivalent to or higher than the that of existing active carbon by compacting raw material waste paper, carbonizing the compacted waste paper in inert gas and subjecting the carbonized waste paper to gas activation treatment under such react ...


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Iwamoto Hideo, Iida Takahiko: Linking device. Mitsubishi Electric, Kakei Gakuen, September 29, 2000: JP2000-270564

PROBLEM TO BE SOLVED: To realize a DC-AC linking device of such structure that it can ground the DC side and AC side without using a transformer and that does not have many transistors and diodes. SOLUTION: This linking device adopts back boost type or back type of chopper circuits for inverters IV1 ...


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Iida Takahiko: Ear hole mount tool cover. Iida Takahiko, March 15, 2002: JP2002-078097

PROBLEM TO BE SOLVED: To provide an ear hole mount tool cover at a low cost with high safety that can easily be mounted even without any special structure.SOLUTION: A platinum-made cover section 1 and a white-gold made lock section 2 are integrally formed. The cover section 1 is formed to have a siz ...