1
Shuichiro Yamaguchi, Naoto Uchida, Takeshi Shimomura, Noboru Oyama: Enzyme sensor. Terumo Kabushiki Kaisha, Burns Doane Swecker & Mathis, May 22, 1990: US04927516 (509 worldwide citation)

Disclosed is an enzyme sensor for measuring a predetermined substrate concentration by potentiometric or amperometric response on the basis of an enzyme. In one aspect, a solid-state enzyme sensor measures a predetermined substrate concentration by potentiometric response and includes a solid enzyme ...


2
Noboru Oyama, Takeshi Shimomura, Shuichiro Yamaguchi: Enzyme sensor and method of manufacturing the same. Burns Doane Swecker & Mathis, April 27, 1993: US05205920 (390 worldwide citation)

An enzyme sensor is disclosed, which has a two-layer fixed film structure consisting of a reduction function layer including an electron movement medium and di-valent iron ions and an enzyme-fixed layer covering said reduction function layer, and in which hydrogen peroxide generated through decompos ...


3
Shuichiro Yamaguchi, Norihiko Ushizawa, Takeshi Shimomura, Noboru Oyama: Ion sensor. Terumo Kabushiki Kaisha, Cushman Darby & Cushman, July 28, 1992: US05133856 (257 worldwide citation)

An ion sensor of the type wherein a specific type of ion in an aqueous solution is measured by potential response. The sensor includes a conductor base, and a reversible redox polymer film formed directly on a surface of said conductor base. An ion carrier film is formed directly on a surface of sai ...


4
Noboru Oyama, Katsuhiko Naoi, Tadashi Sotomura, Hiroshi Uemachi, Yoshiko Sato, Teruhisa Kanbara, Kenichi Takeyama: Reversible electrode material. Matsushita Electric Industrial, Ratner & Prestia, June 28, 1994: US05324599 (117 worldwide citation)

The present invention provides an electrode material comprising a combination of a compound having a disulfide group and a conductive polymer, or a conductive polymer having a disulfide group, wherein an S-S bond of the disulfide group is cleaved by the electrolytic reduction to form a sulfur-metal ...


5
Fumiaki Fujie, Tetsuro Adachi, Tomonori Fukui, Noboru Oyama, Yukiyasu Ueno: Optical dust detector assembly for use in an automotive vehicle. Nippondenso, Cushman Darby & Cushman, May 31, 1988: US04748336 (87 worldwide citation)

An optical dust detector assembly includes an air duct member having an introductory portion and a base portion for permitting a flow of air passing therethrough, the duct member having a pair of radial holes formed in its peripheral wall, a pair of cylindrical casings secured to the peripheral wall ...


6
Noboru Oyama, Hiroaki Matsuda, Eishun Tsuchida, Yukio Ohnuki, Takeshi Shimomura, Norihiko Ushizawa: Selectively permeable film and ion sensor. Terumo Corporation, Frishauf Holtz Goodman & Woodward, January 7, 1986: US04563263 (31 worldwide citation)

A selectively permeable film directly applied to coat the surface of an electroconductive element, said electively permeable film comprising a polymer which is derived from at least one aromatic compound selected from the group of nitrogen-containing aromatic compounds or from the group of hydroxy a ...


7
Noboru Oyama, Takeshi Shimomura, Shuichiro Yamaguchi: Ion-sensitive FET sensor. Terumo Corporation, Burns Doane Swecker & Mathis, March 28, 1989: US04816118 (26 worldwide citation)

An ion-sensitive FET sensor has a MOSFET gate isolating membrane whose surface is covered by an ion-sensitive layer. A redox layer having a redox function is provided between the isolating membrane and the ion-sensitive layer to improve operating stability and speed of response. An electrically cond ...


8
Noboru Oyama, Shuichiro Yamaguchi, Takeshi Shimomura, Keizaburo Miki: Method for detecting target sequences by oscillation frequency. Terumo Kabushiki Kaisha, Burns Doane Swecker & Mathis, September 3, 1996: US05552274 (23 worldwide citation)

Methods for detecting target DNA's in a sample on the basis of oscillation frequency using nucleic acid sequences immobilized to the surface of an electrode of an elastic wave element, and DNA sensors for conducting the methods are described. These methods provide for highly sensitive detection of t ...


9
Norihiko Ushizawa, Tsutomu Murakami, Takeshi Shimomura, Noboru Oyama: pH sensor. Terumo Kabushiki Kaisha, Frishauf Holtz Goodman & Woodward, April 15, 1986: US04582589 (22 worldwide citation)

A pH sensor includes a substrate formed of an electrically conductive carbon material. A hydrogen ion-sensitive layer is formed on the substrate surface. The layer is formed of an electrooxidation polymer of a nitrogen-containing aromatic compound selected from the group consisting of 1-aminopyrene ...


10
Takeshi Shimomura, Shuichiro Yamaguchi, Norihiko Ushizawa, Noboru Oyama: Reference electrode. Terumo Kabushiki Kaisha, Frishauf Holtz Goodman & Woodward, March 26, 1985: US04507194 (17 worldwide citation)

A reference electrode is prepared by coating the surface of a conductive substrate with a silver complex polymer compound, which is either a compound prepared by the complex formation between a polymer compound containing a coordination nitrogen atom and a silver ion or an aforementioned complex com ...