Location History:
- Iwata, JP (1996 - 2000)
- Shizuoka, JP (2007)
Company Filing History:
Years Active: 1996-2007
Title: Innovations of Hiroyuki Tsuzuku
Introduction
Hiroyuki Tsuzuku is a prominent inventor based in Iwata, Japan. He has made significant contributions to the field of motor vehicle technology, holding a total of 12 patents. His work primarily focuses on enhancing engine performance and efficiency.
Latest Patents
One of his latest patents is for a saddle-straddling type motor vehicle. This innovative design features an air-cooled engine that is hung and fixed under the rear part of a backbone of the body frame. The engine is positioned so that the center axis of the cylinder extends approximately horizontally, with the cylinder head directed toward the front. A fuel injection device is strategically located between an intake valve and an intake port in the cylinder head. This design allows for effective cooling of the injector tip during idling or low-speed operation, utilizing assist air supplied from a throttle body. When the vehicle operates at normal or high speeds, the fuel injection device benefits from cooling provided by the wind hitting the cylinder head.
Another notable patent is the induction control system for multi-valve engines. This system improves engine performance across various speed and load ranges by providing variable effective areas for the induction passages. The embodiments disclosed in this patent relate to engines with three intake valves and showcase different variations in intake passages. An EGR system is also employed to enhance exhaust emission control.
Career Highlights
Hiroyuki Tsuzuku is associated with Yamaha Hatsudoki Kabushiki Kaisha, a leading company in the motor vehicle industry. His work has significantly impacted the design and functionality of modern engines, making them more efficient and environmentally friendly.
Collaborations
Throughout his career, Tsuzuku has collaborated with notable colleagues, including Naoki Tsuchida and Tetsushi Saito. Their combined expertise has contributed to the advancement of innovative technologies in the automotive sector.
Conclusion
Hiroyuki Tsuzuku's contributions to motor vehicle technology through his patents demonstrate his commitment to innovation and excellence. His work continues to influence the industry, paving the way for future advancements in engine design and performance.
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.