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Richard E Huff: Membrane probe contact bump compliancy system. Hoya Corporation USA, Thomas E Schatzel, January 19, 1993: US05180977 (129 worldwide citation)

The present invention provides a membrane probe contact bump compliancy system implemented in an integrated circuit (IC) testing system to nondestructively test a wafer. This integrated circuit system includes a test controller which is capable of controlling and executing a set of test programs, a ...


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Masaru Nishikawa, Kazumichi Nakagawa, Yohichi Yamaguchi: Method of processing an article in a supercritical atmosphere. Masaru Nishikawa, Hoya Corporation, Ladas & Parry, July 31, 1990: US04944837 (87 worldwide citation)

In a method of processing an article, the article is introduced into a supercritical atmosphere which is formed in a pressure vessel and which atmosphere comprises carbon dioxide. When the article comprises an exposed resist film on a surface layer formed on a substrate, the exposed resist film is s ...


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Teruo Ouchi: High frequency treatment instrument for endoscope. Hoya Corporation, Greenblum & Bernstein, July 22, 2008: US07402162 (83 worldwide citation)

A high frequency treatment instrument for an endoscope is provided. The high frequency treatment instrument is provided with an insulative flexible sheath, an operation wire inserted in the flexible sheath so as to be movable along an axial direction of the operation wire in the flexible sheath, and ...


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Tsuyoshi Saigo, Takeo Koseki, Yoshihiro Kikuchi, Takashi Hatanaka: Spectacle lens supply method. Hoya Corporation, Armstrong Westerman Hattori McLeland & Naughton, January 16, 1996: US05485399 (69 worldwide citation)

A spectacle lens supply method for a system which includes a terminal installed at a lens orderer side and at least a computing device installed at a lens processor side and connected to the terminal via a communication line, for supplying spectacle lenses. In the lens supply method, the terminal tr ...


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Koichi Shimokawa, Kota Hara: Magnetic recording disk and process for manufacture thereof. Hoya Corporation, Nixon & Vanderhye P C, August 7, 2007: US07252897 (68 worldwide citation)

A magnetic recording disk having a substrate, a magnetic layer formed on the substrate, a protective layer formed on the magnetic layer and a lubricant layer formed on the protective layer, the lubricant layer containing a perfluoropolyether compound having an end moiety containing a phosphazene rin ...


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Hiroshi Tomiyasu, Junichi Horikawa, Teiichiro Umezawa, Kenji Ayama, Tomotaka Yokoyama: Magnetic recording medium and manufacturing method therefor. Hoya Corporation, Cook Alex McFarron Manzo Cummings & Mehler, December 30, 2003: US06670055 (68 worldwide citation)

A magnetic recording medium that is high coersive force, hard to receive influence of thermal fluctuation, and brings about a considerable improvement of S/N ratio, and in which at least an underlayer and a magnetic layer are sequentially laminated on a substrate, wherein a pre-coat layer is interpo ...


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Keiji Moroishi, Junichi Horikawa, Masato Kobayashi, Osamu Nozawa: Magnetic recording medium having an improved magnetic characteristic. Hoya Corporation, Ladas and Parry, September 11, 2001: US06287429 (67 worldwide citation)

A magnetic recording medium comprises a non-magnetic substrate having a principal surface, an intermediate layer formed on the principal surface, and a magnetic layer formed on the intermediate layer. The intermediate layer comprises an intermediate material composed of chromium and molybdenum. The ...


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Sadahiro Nakajima, Naoshi Endoh, Kenzo Kataoka, Masaki Odaka: Laser surgical unit. Hoya Corporation, Kabushiki Kaisha Morita Seisakusho, Ladas & Parry, December 9, 1997: US05695493 (67 worldwide citation)

In a laser surgical unit having a contact laser probe (1), a hydroxyl group (13) is included in the contact laser probe so that a laser beam is partially absorbed by the hydroxyl group (13) to heat the contact laser probe (1) for transmission to living tissue. Consequently, a coagulation layer is fo ...