This inventor holds 10 USPTO granted patents. Top assignees: Aisan Industry Co., Ltd., Toyota Jidosha Kogyo Kabushiki Kaisha, Aisan Kogyo Kabushiki Kaisha. Active years: 1979-1984.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
8 out of 81 
3 out of 1,838 
2 out of 809 Years Active: 1979-1984
Title: **Yukihiro Watanabe: Innovator in Internal Combustion Engine Technology**
Introduction
Yukihiro Watanabe is a prominent inventor based in Nagoya, Japan, renowned for his contributions to internal combustion engine technologies. With a total of 10 patents to his name, Watanabe has made significant advancements in fuel supply systems and air-fuel ratio controls.
Latest Patents
Among his latest innovations are two notable patents:
1. **Start Control Device in Fuel Supply System for Internal Combustion Engine**
This invention features a start control device that integrates an actuator with a step motor and a control circuit responsible for regulating the fuel and air supply to the engine. Notably, it includes a power-off detecting circuit to identify power supply disruptions and an auxiliary power circuit to maintain the control circuit's functionality temporarily.
2. **Air-Fuel Ratio Control Circuit for an Internal Combustion Engine**
Watanabe's design incorporates a low-pass filter, a hysteresis type comparator, and a delay timer. This system processes output signals from an exhaust gas sensor, enabling precise control of the air-fuel ratio through high-speed and low-speed driving of a pulse motor, enhancing engine efficiency.
Career Highlights
Watanabe has had a remarkable career working with esteemed companies such as Aisan Industry Co., Ltd. and Toyota Motor Corporation. His roles in these organizations allowed him to develop critical technologies that support modern automotive engineering.
Collaborations
Throughout his career, Yukihiro Watanabe has collaborated with talented individuals, including Shigetaka Takada and Kazumichi Naruse. Their combined expertise has fostered innovative solutions and strengthened the advancements made in internal combustion engine technologies.
Conclusion
Yukihiro Watanabe's contributions to the field of internal combustion engines underscore his status as a leading inventor in this sector. Through his innovative patents and collaborative efforts, he continues to shape the future of automotive engineering, paving the way for more efficient and advanced engine technologies.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile