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Carcagno Gabriel E, Toscano Rita G, Nakamura Hisao, Coppola Tommaso, Ono Tatsuo: Threaded tube joint. Tenaris Connections, Carcagno Gabriel E, Toscano Rita G, Nakamura Hisao, Coppola Tommaso, Ono Tatsuo, GERVASI Gemma, March 18, 2004: WO/2004/023020 (6 worldwide citation)

A threaded tube joint for oil extraction industry has a trapezoidal thread and a toroidal sealing surface (11) placed at its end near the thread and engages, for sealing, a corresponding frusto-conical sealing surface (12) wherein the toroidal sealing surface (11) has a radius Rs value comprised wit ...


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Sasaki Masako, Suzuki Kazunari, Ichihara Seiichi, Kudaishi Tomoaki, Nakamura Hisao, Nishi Kunihiko, Tanaka Hideki, Nakajima Yutaka: Semiconductor device, method of manufacture thereof, electronic device. Hitachi, Sasaki Masako, Suzuki Kazunari, Ichihara Seiichi, Kudaishi Tomoaki, Nakamura Hisao, Nishi Kunihiko, Tanaka Hideki, Nakajima Yutaka, AKITA Shuki, August 17, 2000: WO/2000/048247

A semiconductor device comprises a semiconductor chip (1) with electrodes (1C) on its surface (1X) where circuits are formed, a resin coating (7) formed over the surface (1X) of the semiconductor chip (1), and a resin coating (2) formed over the backside (1Y) of the semiconductor chip (1). Such a se ...


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Araki Mikiya, Shiga Seiichi, Ishima Tsuneaki, Obokata Tomio, Fujiwara Yasuhiro, Nakamura Hisao: (Ja) 気体燃料インジェクタの瞬間流量計測装置, (En) Instantaneous flow measuring instrument of gas fuel injector. National University Corporation Gunma University, Araki Mikiya, Shiga Seiichi, Ishima Tsuneaki, Obokata Tomio, Fujiwara Yasuhiro, Nakamura Hisao, TSUNODA Yoshisue, October 5, 2006: WO/2006/104176

(EN) A gas fuel injector (3) supplies gas fuel from a gas cylinder (1) into a measuring section thin tube (5), and a pressure measuring device (4) measures pressure variation in the tube through a small hole provided in the thin tube (5). On the downstream side of the measuring section thin tube (5) ...


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Nakamura Hisao: Underwater waterproof ear cap. Nakamura Hisao, March 17, 2005: JP2005-068621

PROBLEM TO BE SOLVED: To provide an underwater waterproof ear cap so as to make that water hardly enters into the ears by capping the ears on entering into water on bathing in sea, river or a pool.SOLUTION: This underwater waterproof ear cap is provided by forming a dome-shaped cap 2 for covering ea ...