Location History:
- Higashi-Matsuyama, JP (1992 - 1995)
- Saitama, JP (1996)
- Saitama Prefecture, JP (1997 - 1999)
Company Filing History:
Years Active: 1992-1999
Title: Takashi Ohishi: Innovator in Fuel Injection Technology
Introduction
Takashi Ohishi is a prominent inventor based in Higashimatsuyama, Japan. He has made significant contributions to the field of fuel injection technology, holding a total of 7 patents. His work focuses on enhancing the efficiency and performance of fuel injection systems in internal combustion engines.
Latest Patents
One of his latest patents is a fuel injection pump designed to enable both main injection and pre-injection in the vicinity of top dead center during the exhaust stroke. This innovative pump allows for the regulation of pre-stroke, which is defined as the stroke from the bottom dead center of a plunger to the commencement of fuel line pressurization. By adjusting the relative positions of the plunger and a control sleeve, the pre-injection volume and timing can be precisely controlled. Another notable patent is a pilot injection controller that maintains a constant quantity of pilot-injected fuel, regardless of engine speed. This is achieved by controlling the prestroke and shifting the utilized portion of a cam to optimize delivery velocity.
Career Highlights
Takashi Ohishi is currently employed at Zexel GmbH, where he continues to develop innovative solutions in fuel injection technology. His expertise and inventions have significantly impacted the automotive industry, particularly in enhancing engine performance and efficiency.
Collaborations
Throughout his career, Ohishi has collaborated with notable colleagues, including Hiroshi Ishiwata and Nobuhiro Kitahara. These partnerships have fostered a creative environment that has led to groundbreaking advancements in fuel injection systems.
Conclusion
Takashi Ohishi's contributions to fuel injection technology exemplify his dedication to innovation and engineering excellence. His patents and collaborative efforts continue to shape the future of automotive 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.