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Takahashi Tsunehisa, Sawa Shigeki, Matsui Kazuhiko: Etching solution, method of etching and printed wiring board. Ibiden, April 5, 2006: EP1643817-A1 (2 worldwide citation)

There is provided an etching solution comprised of a cupric chloride solution and a high-concentration triazole type compound added to the cupric chloride solution and capable of forming an etching-inhibiting coating. In a process of forming a circuit pattern by etching with the etching solution, an ...


2
Takahashi Tsunehisa, Sawa Shigeki, Matsui Kazuhiko: (Ja) エッチング液、エッチング方法およびプリント配線板, (En) Etching solution, method of etching and printed wiring board. Ibiden, Takahashi Tsunehisa, Sawa Shigeki, Matsui Kazuhiko, OGAWA Junzo, September 15, 2005: WO/2005/086551 (1 worldwide citation)

(EN) An etching solution having a high concentration of triazole compound capable of forming a coating with etching inhibiting effect added to a cupric chloride solution. In the operation of circuit pattern formation through etching treatment with the use of this etching solution, an etching inhibit ...


3
Ajioka Tsutomu, Takahashi Tsunehisa, Ishibashi Keisuke: Game ball detector, pachinko game machine, game ball counter and game ball counting system. Omron, August 16, 2007: JP2007-208843 (1 worldwide citation)

PROBLEM TO BE SOLVED: To suppress failures of a game ball counter or damage caused by illegal actions or the like by players to a minimum by confirming, for each spot, whether a game ball detection function of a game ball detector normally operates.SOLUTION: The present invention relates to a game b ...


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Takahashi Tsunehisa, Sawa Shigeki, Matsui Kazuhiko: Etching solution, method of etching and printed wiring board. Ibiden, liu xinyu, January 17, 2007: CN200580001298

The inveniton discloses an etching solution having a high concentration of triazole compound capable of forming a coating with etching inhibiting effect added to a cupric chloride solution. In the operation of circuit pattern formation through etching treatment with the use of this etching solution, ...


6
Ajioka Tsutomu, Takahashi Tsunehisa, Ishibashi Keisuke: Radio wave sensor. Omron, January 10, 2008: JP2008-003005

PROBLEM TO BE SOLVED: To provide a radio wave detection circuit capable of detecting irradiated radio waves over a wide frequency band, and to provide a game machine using such the radio wave detection circuit.SOLUTION: Radio wave sensors (20, 30) include a first antenna 13, a second antenna 14, and ...


7
Ajioka Tsutomu, Takahashi Tsunehisa, Ishibashi Keisuke: Radio wave detection circuit and game machine. Omron, January 10, 2008: JP2008-003003

PROBLEM TO BE SOLVED: To provide a radio wave detection circuit capable of detecting irradiated radio waves over a wide frequency band, and to provide a game machine that uses such a radio wave detection circuit.SOLUTION: The radio wave detection circuit 1 comprises an oscillation circuit 11 for gen ...


8
Takahashi Tsunehisa, Ishibashi Keisuke: Door opening detection apparatus and method. Omron, November 13, 2008: JP2008-272189

PROBLEM TO BE SOLVED: To accurately detect opening of a door by an inexpensive configuration.SOLUTION: Flip-flop circuits FF1-FF6 store prescribed data. The opening of the door is detected, and a door opening switch SW1 erases the prescribed data stored by the flip-flop circuits FF1-FF6 when the ope ...


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Takahashi Tsunehisa, Ishibashi Keisuke: Door opening detection apparatus and method. Omron, November 13, 2008: JP2008-272190

PROBLEM TO BE SOLVED: To accurately detect opening of a door by an inexpensive configuration.SOLUTION: A flip-flop circuit FF1 stores a Hi signal as prescribed data by a reset signal. When it is detected that the door is opened and an opening detection switch SW1 is turned ON, an auxiliary power sou ...


10
Ajioka Tsutomu, Takahashi Tsunehisa, Ishibashi Keisuke: Game ball detector and game ball counting system. Omron, August 23, 2007: JP2007-214797

PROBLEM TO BE SOLVED: To always monitor a state that a game ball detection unit and a counting control section in a game ball detector are normally connected to each other and neither a wire breaking state nor a short-circuit state is caused, and to immediately detect and cope with in real time a fa ...



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