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
Naotake Rito, Masao Ohta, Tsugio Yamada, Junichi Gotoh, Tsutomu Kitagawa: Laser welding method. Mitsubishi Denki Kabushiki Kaisha, Sughrue Mion Zinn Macpeak & Seas, May 17, 1988: US04745257 (15 worldwide citation)

A laser welding method and apparatus for welding stacked coated members in which voids in the welds are positively eliminated. A spacer is disposed between the two members to be welded. This provides a path for discharging gas formed by heating the coating material. The method and apparatus of the i ...


3
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 ...


4
Toshikatsu Manabe, Masao Ohta, Tetsuichi Kudo, Shouji Mochizuki, Tetsuo Gejyo: Process for preparation of mixed oxide powders. Hitachi, Babcock Hitachi, Birch Stewart Kolasch and Birch, September 20, 1977: US04049789 (12 worldwide citation)

Nitric acid is added to an aqueous solution of organic acid salts of metals to be included in a resulting complex oxide powder, into which an aqueous solution of an inorganic salt of other metal component has been incorporated according to need, and the resulting solution is heated until the organic ...


5
Yoshihisa Iwasaki, Tohru Takeda, Masao Ohta: Bicycle speed change assembly. Maeda, Bridgestone Cycle, Michael D Bednarek, January 10, 1995: US05380252 (9 worldwide citation)

The following technical means is provided to achieve a chain shift operation with a minimum of the guide pulley travel distance, to improve speed change efficiency and operatability, and to prevent the speed change assembly from protruding sideward:


6
Yasuyoshi Kato, Nobue Teshima, Masao Ohta, Kunihiko Konishi: Catalyst for combustion and process for producing same. Babcock Hitachi Kabushiki Kaisha, Leydig Voit & Mayer, December 11, 1990: US04977128 (4 worldwide citation)

A high performance catalyst for combustion is provided which includes a 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 processes for producing and using the same are provided, whic ...


7
Masao Ohta, Makoto Kobayashi, Masashi Tsuneishi, Mamoru Funabashi, Akio Matsuoka: Apparatus for supplying fuel to vehicular combustion heater. Honda Giken Kogyo Kabushiki Kaisha, Denso Corporation, Armstrong Westerman Hattori McLeland & Naughton, August 8, 2000: US06098894 (4 worldwide citation)

In an apparatus for supplying a fuel to a vehicular combustion heater which supplies the fuel from a fuel tank via a fuel pump to the heater which is mounted on an electric vehicle, discharging into atmosphere of fuel vapor from the fuel tank is restricted to the best extent possible. For that purpo ...