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Yohei Nagai, Kiyoshi Kawamura: Keyboard arrangement having after-control signal detecting sensor in electronic musical instrument. Nippon Gakki Seizo Kabushiki Kaisha, Cushman Darby & Cushman, June 1, 1976: US03960044 (51 worldwide citation)

A keyboard arrangement having an after-control signal detecting sensor means connected to electric circuitry to use the signal generated by this sensor means as an after-control signal for controlling various musical effects. This sensor means comprises a conductive flexible first electrode, a condu ...


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Kinya Nozaki, Kiyoshi Kawamura, Shigeru Muramatsu: Stringless piano-touch electric sound producer for directly driving a sound board on the basis of key actions. Yamaha Corporation, Graham & James, September 21, 1993: US05247129 (46 worldwide citation)

A wireless piano-touch electric sound producer comprises a keyboard assoicated with key action mechanisms and hammers driven for rotation upon depressing the assoicated keys, and a board accompanied with an absorber is shared between the hammer units for scaling down of the electric sound producer, ...


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Yoshikuni Mori, Mitsuo Kushino, Hayato Ideda, Nobuaki Urashima, Masuji Izubayashi, Shigeru Tanimori, Yoshihiro Arita, Kiyoshi Kawamura, Kenji Minami, Yoshinori Sano: Carbon black-graft polymer, method for production thereof, and use thereof. Nippon Shokubai Kagaku Kogyo, Burns Doane Swecker & Mathis, February 19, 1991: US04994520 (39 worldwide citation)

A carbon black-graft polymer, produced by causing a polymer possessing within the molecular unit thereof at least one reactive group selected from the class consisting of aziridine group, oxazoline group. N-hydroxyalkylamide group, epoxy group, and thioepoxy group to react with carbon black. The pol ...


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Kiyoshi Kawamura, Shinya Koseki, Nobuo Sugiyama, Masahiro Wada: Keyboard instrument for selectively producing mechanical sounds and synthetic sounds without any mechanical vibrations on music wires. Yamaha Corporation, Graham & James, December 20, 1994: US05374775 (27 worldwide citation)

In order to give piano-like key touch to a player in an electronically sound producing mode, a keyboard incorporated in a musical instrument is linked with key action mechanisms associated with hammer mechanisms, and a stopper blocks the hammer shanks before the hammers strike the strings so that no ...


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Yoshikuni Mori, Mitsuo Kushino, Hayato Ikeda, Nobuaki Urashima, Masuji Izubayashi, Shigeru Tanimori, Yoshihiro Arita, Kiyoshi Kawamura, Kenji Minami, Yoshinori Sano: Carbon black-graft polymer, method for production thereof, and use thereof. Nippon Shokubai Kagaku Kogyo, Burns Doane Swecker & Mathis, November 14, 1989: US04880857 (27 worldwide citation)

A carbon black-graft polymer, produced by causing a polymer possessing within the molecular unit thereof at least one reactive group selected from the class consisting of aziridine group, oxazoline group. N-hydroxyalkylamide group, epoxy group, and thioepoxy group to react with carbon black. The pol ...


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Teruo Akimoto, Kiyoshi Kawamura, Taro Kawabata, Yasuhiko Ohba, Tadaharu Kato, Masaaki Suzuki, Motoya Kondo, Hironori Osakabe: Keyboard instrument with touch responsive display unit. Yamaha Corporation, Graham & James, July 4, 2000: US06084167 (26 worldwide citation)

A keyboard instrument is configured such that a flat panel-like display unit such as a liquid crystal display for displaying character information and/or images is provided on an instrument main body and that speakers, a recording/reproducing unit for multi media such as sound and/or image recording ...


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Kiyoshi Kawamura: Method for adjustment of hammer let off on a keyboard musical instrument. Yamaha Corporation, Graham & James, April 23, 1996: US05509340 (25 worldwide citation)

On a keyboard musical instrument provided with action assemblies each including a catcher and silent assemblies each including a stopper, the real silent distance between each catcher and an associated stopper is measured to calculate its difference from the optimal silent distance, and one or more ...


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Geoffrey Gymer, Kiyoshi Kawamura, Sachiko Mihara, Mikio Morita, Alan Stobie, Chikara Uchida, Seiji Nukui: Oxo or oxy-pyridine compounds as 5-HT4 receptor modulators. Pfizer, Gregg C Benson, Frank W Forman, December 27, 2005: US06979690 (23 worldwide citation)

This invention provides compounds of the formula (I) and (II): or the pharmaceutically acceptable esters thereof, and the pharmaceutically acceptable salts thereof: wherein R1 is hydrogen or halo; R2 and R3 are independently hydrogen or C1-6 alkyl; R4 and R5 are independently hydrogen or C1-6 alkyl; ...


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Hanzou Taguchi, Shigeru Muramatsu, Kiyoshi Kawamura: Automatic performance device for a keyboard instrument. Yamaha Corporation, Spensley Horn Jubas & Lubitz, May 11, 1993: US05210367 (20 worldwide citation)

An automatic performance device for a keyboard instrument such as piano, organ, cembalo and celesta includes operators such as keys and a pedal provided in a keyboard instrument for producing sounds, a target performance state designation unit for producing target performance information of the keyb ...