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Toshifumi Tsujino, Koichi Maeda, Satoshi Ishizuka, Hiroaki Yamamoto, Shinichiro Kitayama, Shigeo Hozumi: Method of producing light control plate which induces scattering of light at different angles. Nippon Sheet Glass, Sumitomo Chemical Company, Wenderoth Lind & Ponack, May 12, 1992: US05112722 (23 worldwide citation)

A method of producing a light control plate which induces scattering of light at different angles of incidence for different places. The method comprises (1) preparing an assembly comprising a film of a photo-polymerizable composition and a light-pervious body having a light-impervious pattern arran ...


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Hisato Tatsumi, Kunio Sakai, Yukio Hamanoue, Satoshi Ishizuka: Front spoiler arrangement. Nissan Motor, Ohi Seisakusho, Foley & Lardner Schwartz Jeffery Schwaab Mack Blumenthal & Evans, February 27, 1990: US04904016 (22 worldwide citation)

A front spoiler arrangement installed at the front end section lower part of an automotive vehicle body. The front spoiler arrangement is comprised of a retractable spoiler fin supported by a pair of swingable arms which are spaced from each other and driven respectively by a pair of drive mechanism ...


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Satoshi Ishizuka, Kazuro Toda, Osamu Kato: Method for coupling semiconductor laser with optical fiber. Matsushita Electric Industrial, Wenderoth Lind & Ponack, February 11, 1992: US05087109 (22 worldwide citation)

A method and apparatus for coupling a semiconductor laser with an optical fiber in which, in order to prevent deterioration of coupling efficiency due to inclination of the optical fiber input end face for restricting the reflection return light to the semiconductor laser, the position of the semico ...


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Ryoji Fujihara, Kazuaki Furuse, Satoshi Ishizuka, Kouichi Yagami, Tsutomu Iwasaki: Vehicle roof structure having left and right removable roof lids. Nissan Motor, Schwartz Jeffery Schwaab Mack Blumenthal & Evans, March 8, 1988: US04729596 (22 worldwide citation)

An open-top type vehicle roof structure is composed of a frame structure having left and right roof openings separated by a longitudinal center beam, and left and right removable roof lids closing the left and right openings and concealing the center beam under the roof surface. Front and rear latch ...


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Hisashi Minemoto, Yukiko Yoshikawa, Nobuki Itoh, Daisuke Ishiko, Satoshi Ishizuka: Optical fiber sensors and method for making the same. Matsushita Electric Industrial, Lowe Price LeBlanc & Becker, December 16, 1997: US05699461 (17 worldwide citation)

An optical fiber sensor which comprises a substrate having a groove pattern, an optical fiber which includes a shaped, bare optical fiber portion of an inverted U form and capable of being received or accommodated in the groove pattern of the substrate, and jacketed optical fiber portions extending ...


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Kiyoshi Ichikawa, Satoshi Ishizuka, Shinji Yamamoto: Method for making hypereutetic Al-Si alloy composite materials. Agency of Industrial Science and Technology, Suzuki Motor, Oblon Spivak McClelland Maier & Neustadt, September 12, 1989: US04865808 (17 worldwide citation)

An easy method and apparatus to eliminate casting defects from composite materials of hypereutectic Al-Si alloys and improve their properties. The product composite materials with primary silicon crystals of several microns have fine homogeneous microstructures and mechanical properties comparable t ...


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Osamu Kamada, Hisashi Minemoto, Kazurou Toda, Daisuke Ishiko, Satoshi Ishizuka, Akihiro Miura: Magnetic field measurement apparatus. Matsushita Electric Industrial, Kansai Electric Power Co, Panitch Schwarze Jacobs & Nadel, December 24, 1991: US05075546 (13 worldwide citation)

A magnetic field measurement apparatus with high sensitivity and high accuracy in which a Bi-substituted rare-earth iron garnet crystal with a high and no temperature dependent sensitivity constant grown by liquid phase epitaxy is used for a magneto-optic element.


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Toshihiro Fujita, Satoshi Ishizuka, Katsuyuki Fujito, Hisanao Sato: Oscillation frequency stabilized semiconductor laser. Matsushita Electric Industrial, Stevens Davis Miller & Mosher, June 30, 1987: US04677630 (13 worldwide citation)

A semiconductor laser generating no intensity noise caused by reflected light and oscillating at a single frequency, wherein a cavity resonator is disposed externally of the semiconductor laser in order to suppress the oscillation frequency shift (chirping) of the semiconductor laser possibly induce ...


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Nobuki Itoh, Hisashi Minemoto, Daisuke Ishiko, Satoshi Ishizuka: Magneto-optical element and optical magnetic field sensor using the same. Matsushita Electric Industrial, McDermott Will & Emery, November 10, 1998: US05835257 (10 worldwide citation)

A magneto-optical element comprises a film of a Bi-substituted rare earth iron garnet selected from garnets of the following chemical formulas