Location History:
- Aichi, JP (1984 - 1985)
- Toyota, JP (1984 - 1998)
Company Filing History:
15 out of 36,499 
1 out of 1,838 Years Active: 1984-1998
Title: The Innovative Journey of Nobuhisa Ohkawa: Revolutionizing Engine Technology
Introduction:
Nobuhisa Ohkawa, a brilliant inventor hailing from Toyota, Japan, has made significant contributions to the field of automotive engineering with a total of 16 patents under his name. His groundbreaking work has reshaped the landscape of internal combustion engines, particularly in the realm of valve timing mechanisms.
Latest Patents:
Among his latest patents is the "Abnormality detecting apparatus for internal combustion engine", a sophisticated system designed to detect anomalies in variable valve timing mechanisms. By precisely monitoring the displacement angle of the intake-side camshaft in relation to the crankshaft, this invention plays a crucial role in ensuring the efficient operation of engines.
Another notable invention by Ohkawa is the "Valve timing control apparatus with a disallowing means", which focuses on continuously adjusting the valve timing of engine valves. This cutting-edge apparatus incorporates a hydraulic variable valve timing mechanism, a hydraulic control valve, and an electronic control unit to optimize the valve overlap of intake and exhaust valves based on engine running conditions.
Career Highlights:
Ohkawa's illustrious career includes his tenure at Toyota Jidosha Kabushiki Kaisha and Toyota Jidosha Kogyo Kabushiki Kaisha, where he spearheaded numerous projects at the forefront of automotive innovation. His relentless pursuit of excellence and commitment to pushing the boundaries of engine technology have earned him widespread acclaim in the industry.
Collaborations:
Throughout his career, Ohkawa has collaborated closely with esteemed colleagues such as Senji Kato and Tadahisa Naganawa. Together, they have synergized their expertise to tackle complex engineering challenges and drive forward groundbreaking advancements in the automotive sector.
Conclusion:
Nobuhisa Ohkawa's inventive spirit and technical prowess have left an indelible mark on the realm of engine technology. His patented innovations continue to shape the future of internal combustion engines, inspiring the next generation of inventors to strive for excellence in their pursuit of technological advancement.
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.