Location History:
- Aichi, JP (1979)
- Toyota, JP (1985 - 1998)
Company Filing History:
14 out of 36,499 
1 out of 1,838 Years Active: 1979-1998
Title: The Innovative Contributions of Tadahisa Naganawa
Introduction
Tadahisa Naganawa, an accomplished inventor based in Toyota, Japan, has made significant contributions to the field of internal combustion engines. With a remarkable portfolio of 15 patents, he has played a pivotal role in advancing engine technology through innovative solutions designed to enhance performance and reliability.
Latest Patents
Among his latest patents is the "Abnormality Detecting Apparatus for Internal Combustion Engine." This invention focuses on identifying abnormalities in variable valve timing mechanisms, which are crucial for optimizing engine performance. The apparatus uses precise measurements to assess discrepancies between target and real displacement angles, ensuring timely detection of any potential mechanical failures.
Another notable patent is the "Valve Timing Control Apparatus with a Disallowing Means," which continuously controls the valve timing of intake and exhaust valves within an engine. This advanced apparatus integrates a hydraulic variable valve timing mechanism and an electronic control unit, adjusting the valve overlap based on the engine's operational conditions. Notably, it features a learning system that optimizes valve control while preventing unnecessary corrections under specific parameters.
Career Highlights
Tadahisa Naganawa has accumulated valuable experience working for renowned companies, including Toyota Motor Corporation and Toyota Jidosha Kogyo Co., Ltd. His tenure at these institutions has enabled him to collaborate on cutting-edge projects and innovate within the automotive engineering landscape.
Collaborations
Throughout his career, Naganawa has had the opportunity to work alongside distinguished colleagues such as Senji Kato and Nobuhisa Ohkawa. Their collaborative efforts have undoubtedly contributed to pushing the boundaries of what is possible in engine technology, underscoring the importance of teamwork in the innovation process.
Conclusion
Tadahisa Naganawa's work exemplifies the spirit of innovation within the automotive industry. His developments in valve timing and abnormality detection not only enhance engine performance but also contribute to the overall reliability and efficiency of modern vehicles. As he continues to innovate, Naganawa remains a key figure in driving advancements in engine technology.
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.