Location History:
- Gotenba, JP (1992)
- Suntoh, JP (1991 - 1994)
- Shizuoka, JP (1994)
- Suntoh-gun, JP (1997)
Company Filing History:
6 out of 29,232 
1 out of 13,395 
1 out of 14 Years Active: 1991-1997
Title: Takahisa Yamashita: Innovator in Internal Combustion Engine Technology
Introduction
Takahisa Yamashita is a notable inventor based in Suntoh, Japan. He has made significant contributions to the field of internal combustion engine technology, holding a total of 7 patents. His innovative designs focus on enhancing the efficiency and functionality of engine components.
Latest Patents
One of his latest patents is a heating device for an internal combustion engine that utilizes PTC (Positive Temperature Coefficient) elements. This device is designed to heat components such as carburetors effectively. It features a first PTC heating element positioned compactly within a housing adjacent to the item to be heated. Additionally, a second PTC element is included, which has a significant electrical resistance increase at a prescribed temperature level. This second element restricts electric current flow when the ambient temperature exceeds the set threshold.
Another significant patent is a fuel supply control device for internal combustion engines. This device allows for the injection of fuel from a fuel injection device into the intake port, where it mixes with incoming air before being supplied to the combustion chamber. The design includes an intake control valve equipped with a heater, which can open and close the mixed gas flow passage. Control circuits manage the opening and closing position of the intake control valve, ensuring that the heat-generating region is located within the fuel injection range.
Career Highlights
Throughout his career, Takahisa Yamashita has worked with prominent companies such as Texas Instruments Corporation and Nissan Motor Company Limited. His experience in these organizations has contributed to his expertise in developing innovative solutions for internal combustion engines.
Collaborations
Takahisa has collaborated with notable coworkers, including Yasushi Hibino and Kazuo Kayanuma. Their combined efforts have led to advancements in engine technology and improved performance.
Conclusion
Takahisa Yamashita's contributions to internal combustion engine technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the automotive industry positively.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.