1
Yasuyoshi Kato, Kunihiko Konishi, Masao Ohta: Ammonia reduction-denitration process and apparatus therefor. Babcock Hitachi Kabushiki Kaisha, Beall Law Offices, February 18, 1986: US04571329 (24 worldwide citation)

An ammonia reduction-denitration process for exhaust gases containing NO.sub.x consisting mainly of NO.sub.2, and an apparatus therefor are provided, which process comprises treating the exhaust gases with ammonia using a catalyst which is active to both a reaction of (NO.sub.2 +NH.sub.3 .fwdarw.N.s ...


2
Yasuyoshi Kato, Kunihiko Konishi, Toshiaki Matsuda, Meiji Ito, Taiji Kamiguchi, Nobue Teshima, Hiroshi Akama: Catalyst for removing nitrogen oxide and process for producing the catalyst. Babcock Hitachi Kabushiki Kaisha, Fay Sharpe Beall Fagan Minnich & McKee, January 17, 1989: US04798813 (22 worldwide citation)

A catalyst for removing nitrogen oxides whose activity deterioration due to volatile poisons contained in exhaust gases is prevented and which has a superior endurance, and a process for producing the catalyst are provided, which catalyst comprises a titania having a surface area of 20 m.sup.2 /g or ...


3
Yasuyoshi Kato, Takao Ishizuka, Nobuyoshi Tsuzuki: Heat exchanger. Yasuyoshi Kato, Intellectual Property Law Group, Otto O Lee, Juneko Jackson, February 26, 2008: US07334631 (20 worldwide citation)

To reduce pressure loss on a heat-exchanger fluid while downsizing a heat exchange and reducing the production cost of the heat exchanger without impairment of the heat transfer performance of the heat exchanger by forming a fluid channel in surfaces of thin metal plates such as stainless steel plat ...


4
Yasuyoshi Kato, Kunihiko Konishi, Fumito Nakajima, Ikuhisa Hamada, Isato Morita: Catalyst for purifying exhaust gas. Babcock Hitachi Kabushiki Kaisha, April 25, 1995: US05409681 (19 worldwide citation)

A catalyst for purifying an exhaust gas includes a first component having activity for reducing nitrogen oxides with ammonia and a second component having at least one of activity for forming nitrogen oxide from ammonia and activity for forming carbon dioxide from carbon monoxide. The first componen ...


5
Yasuyoshi Kato, Kunihiko Konishi: NOx removal catalyst containing an inorganic fiber. Babcock Hitachi Kabushiki Kaisha, Lorusso & Loud, September 20, 1994: US05348987 (16 worldwide citation)

NOx removal catalyst can be obtained by kneading various kinds of inorganic fibers and water containing a surfactant to make a pulp-like substance, adding a catalytic component thereto and then further kneading the resultant mixture to prepare a catalyst paste. The thus obtained catalyst paste is sh ...


6
Yasuyoshi Kato, Kunihiko Konishi, Nobue Teshima, Toshiaki Matsuda, Hiroshi Akama: Coal combustion apparatus provided with a denitration. Babcock Hitachi Kabushiki Kaisha, Fay Sharpe Beall Fagan Minnich & McKee, September 29, 1992: US05151256 (16 worldwide citation)

A coal combustion apparatus having prevented deterioration of a denitration catalyst due to volatile metal compounds contained in exhaust gases is provided, which apparatus comprises a combustion furnace, a denitration means for removing nitrogen oxides in an exhaust gas from the furnace by reducing ...


7
Yasuyoshi Kato, Nobue Teshima, Masao Ohta, Kunihiko Konishi: Catalyst for combustion and process for producing same. Babcock Hitachi Kabushiki Kaisha, Leydig Voit & Mayer, December 8, 1987: US04711872 (14 worldwide citation)

A high performance catalyst for combustion having a cheap and heat-resistant carrier capable of retaining a high specific surface area even when it is used at a high temperature of 1,000.degree. C. or higher for a long time, and a process for producing the same are provided, which catalyst comprisin ...


8
Yasuyoshi Kato, Kunihiko Konishi, Hiroshi Akama, Toshiaki Matsuda, Nobue Teshima, Fumito Nakajima, Tadaaki Mizoguchi, Masahiro Nitta: Catalyst for removing nitrogen oxides. Babcock Hitachi Kabushiki Kaisha, Fay Sharpe Beall Fagan Minnich & McKee, August 28, 1990: US04952548 (10 worldwide citation)

A catalyst for removing nitrogen oxides contained in exhaust gases, particularly those containing vapor-form catalyst poisons, by catalytic reduction with ammonia, while retaining a high denitration performance for a long time, which catalyst comprises titanium oxide as a first component, molybdenum ...


9
Yasuyoshi Kato, Takeshi Nitawaki: Nuclear reactor plant. President of Tokyo Institute of Technology, Sughrue Mion PLLC, January 6, 2004: US06674830 (8 worldwide citation)

The subject of the present invention is to provide a nuclear reactor plant of which is a direct cycle nuclear reactor using a carbon dioxide as a coolant such that a heat evacuation for liquefying coolant is reduced while a compressive work is reduced by using a condensation capability of a carbon d ...


10
Naomi Yoshida, Hitoshi Yamasaki, Ikuhisa Hamada, Yasuyoshi Kato, Kunihiko Konishi, Toshiaki Matsuda, Yuji Fukuda: Process for producing a denitration catalyst. Babcock Hitachi Kabushiki Kaisha, Fay Sharpe Beall Fagan Minnich & McKee, March 15, 1994: US05294584 (8 worldwide citation)

A process for producing a denitration catalyst comprising the following steps of immersing a base material composed of an inorganic fiber cloth in an aqueous slurry containing 5 to 20% by weight of at least one sol-form substance selected from the group consisting of silica sol, titania sol and zirc ...