This inventor holds 2 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignees: Daihatsu Motor Company, Ltd., Diamond Electric Mfg. Co., Ltd., Toyota Jidosha Kabushiki Kaisha. Active years: 1995-2011.
Company Filing History:
1 out of 113 
1 out of 28 
1 out of 38,837 
Years Active: 1995-2011
Title: Sadao Takaki: Innovator in Fuel Cell Technology
Introduction
Sadao Takaki is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of fuel cell technology, holding a total of 2 patents. His innovative work focuses on enhancing the efficiency and reliability of fuel cell systems.
Latest Patents
One of Takaki's latest patents is a fuel cell system that continues operation in the event of a sensor abnormality. This invention includes a fuel cell that generates electric power by being supplied with reactive gas, an air compressor that supplies oxidizing gas to the fuel cell, a pressure sensor that detects the pressure of the oxidizing gas, and a pressure control valve that adjusts the pressure of the oxidizing gas. The control device adjusts the valve opening based on the pressure detected by the pressure sensor. In case of an abnormality in the pressure sensor, the control device opens the pressure control valve to ensure continued operation of the cell instead of an immediate shutdown.
Another notable patent is a method for detecting the lean limit by means of ionic current in an internal combustion engine. This invention aims to detect the upper limit of a lean burn zone in an internal combustion engine during each ignition. The lean limit is determined based on the characteristics of the ionic current in the engine's cylinder immediately after ignition.
Career Highlights
Throughout his career, Sadao Takaki has worked with notable companies such as Diamond Electric Manufacturing Co., Ltd. and Daihatsu Motor Company, Ltd. His experience in these organizations has contributed to his expertise in fuel cell technology and internal combustion engines.
Collaborations
Takaki has collaborated with several professionals in his field, including Tetsuya Bono and Morito Asano. These collaborations have likely enriched his work and led to further advancements in his inventions.
Conclusion
Sadao Takaki is a distinguished inventor whose work in fuel cell technology and internal combustion engines has made a significant impact. His innovative patents demonstrate his commitment to improving energy efficiency and reliability in these systems.