Company Filing History:
Years Active: 1980-1982
Title: Shigeo Ishitani: Innovator in Oxygen Sensing Technology
Introduction
Shigeo Ishitani is a notable inventor based in Yokosuka, Japan. He has made significant contributions to the field of oxygen sensing technology, holding a total of 6 patents. His work primarily focuses on devices that enhance the efficiency of combustion processes.
Latest Patents
Ishitani's latest patents include an innovative oxygen sensing device designed to detect the air/fuel ratio in combustion systems. This device utilizes a solid electrolyte concentration cell type oxygen-sensitive element, which requires a direct current to establish a reference oxygen partial pressure. The control circuit within the device adjusts the current intensity based on the output voltage, compensating for variations in temperature that may affect the reference oxygen partial pressure. Another significant patent involves a device that produces control signals for feedback control of air/fuel ratios. This device employs a combination of two oxygen concentration cells, allowing for accurate detection of deviations from the stoichiometric air/fuel ratio.
Career Highlights
Shigeo Ishitani is currently employed at Nissan Motor Company Limited, where he continues to develop advanced technologies in the automotive sector. His expertise in oxygen sensing has been instrumental in improving vehicle performance and emissions control.
Collaborations
Ishitani has collaborated with notable colleagues such as Shinji Kimura and Hiroshi Takao. Their combined efforts have contributed to the advancement of innovative technologies within the automotive industry.
Conclusion
Shigeo Ishitani's work in oxygen sensing technology exemplifies the impact of innovation in enhancing combustion efficiency. His patents reflect a commitment to improving automotive performance and environmental sustainability.
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