Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Katsuya Yamashita, Tokyo JP

Katsuya Yamashita, Tokyo JP

Patent application numberDescriptionPublished
20080224772Operational Amplifier Selecting One of Inputs, and an Amplifying Apparatus Using the Op Amplifier the Verification Method - A current feedback-type operational amplifier comprising multiple input parts and one output part, wherein each of the multiple input parts comprises a first input terminal, a second input terminal, and an output terminal, the signals input from the first input terminal are buffer amplified and output to the second input terminal, and current is output to the output terminal in an amount corresponding to the current that flows to the second input terminal; the output terminal part comprises an input terminal and an output terminal, signals obtained by adding in terms of current the signals of all of the input parts are input to the input terminal, and the signals input to the input terminal are converted to voltage signals, amplified, and output to the output terminal; and one of the above-mentioned input parts is made effective and the other input parts are made ineffective in response to first external signals, the impedance of the first input terminal, the second input terminal, and the output terminal of the above-mentioned ineffective input parts becomes high and the output current from the above-mentioned output terminal becomes zero.09-18-2008
20100008756STEAM TURBINE AND METHOD OF COOLING STEAM TURBINE - A steam turbine 01-14-2010
20100034641STEAM TURBINE AND STEAM TURBINE PLANT SYSTEM - A steam turbine 02-11-2010
20100050637CARBON-DIOXIDE-CAPTURE-TYPE STEAM POWER GENERATION SYSTEM - A carbon-dioxide-capture-type steam power generation system 03-04-2010
20100178155STEAM TURBINE AND COOLING METHOD THEREOF - A steam turbine includes a casing, a rotor arranged inside the casing so as to extend in an axial direction of the casing, a rotor disk integrally formed with the rotor, a rotor-side implanting portion formed in the rotor disk, a plurality of moving blades arranged on the rotor disk in a circumferential direction of the rotor, and a moving blade-side implanting portion formed in the moving blade, in which the moving blade-side implanting portions of the moving blades are engaged with the rotor-side implanting portions, respectively. A cooling medium flows through a gap formed at least on a blade portion side of the moving blade among gaps formed between the moving blade-side implanting portions and the rotor-side implanting portions.07-15-2010
20100251713Steam turbine power plant - An intermediate-pressure turbine is divided into a high-temperature, high-pressure side high-temperature, intermediate-pressure turbine section 10-07-2010
20110033281STEAM TURBINE, METHOD OF COOLING STEAM TURBINE, AND HEAT INSULATING METHOD FOR STEAM TURBINE - A steam turbine 02-10-2011
20110079151CO2 RECOVERY SYSTEM AND CO2 ABSORPTION LIQUID - In an embodiment, a CO04-07-2011

Patent applications by Katsuya Yamashita, Tokyo JP