Location History:
- Toyota, JP (1982 - 1988)
- Sunto, JP (1992)
- Suntou, JP (2002)
- Nagaizumi-cho, JP (2002)
- Shizuoka, JP (1994 - 2003)
- Suntoh-gun, JP (2002 - 2004)
- Suntou-gun, JP (2003 - 2004)
- Susono, JP (2005)
- Mishima, JP (2006 - 2018)
Company Filing History:
18 out of 36,499 
4 out of 1,780 
2 out of 1,838 
Years Active: 1982-2018
Title: Innovator of Efficient Fuel Technologies - Yoshihiro Iwashita
Introduction
Yoshihiro Iwashita, an esteemed inventor located in Mishima, Japan, has significantly contributed to the field of fuel technology with a remarkable portfolio of 23 patents. His innovative approaches to fuel separation and management are paving the way for advancements in flexible fuel vehicles and internal combustion engines.
Latest Patents
One of Iwashita's latest inventions is a **Fuel Separation Method** that enhances the efficiency of flexible fuel vehicles. This method allows for the separation of auxiliary fuel from blended gasoline fuel depending on the ethanol concentration. The process employs a polar separating membrane member and consists of two key steps:
(a) When the ethanol concentration is low, blended gasoline fuel is separated at a high temperature, yielding a first auxiliary fuel enriched with aromatic gasoline components and ethanol.
(b) Conversely, when the ethanol concentration is high, the separation occurs at a lower temperature, producing a second auxiliary fuel rich in non-aromatic high-volatile gasoline components.
Additionally, Iwashita has developed a **Multiple Fuel System for Internal Combustion Engines**. This innovative fuel management system is designed to feed either separately or in mixtures a variety of fuels with differing autoignition temperatures to an internal combustion engine. The system includes an onboard separation unit (OBS unit) that effectively segregates intermediate autoignition temperature fuels into low and high autoignition temperature fuels while controlling the production rate to match the engine's consumption needs.
Career Highlights
Yoshihiro Iwashita has gained invaluable experience throughout his career by working with prestigious companies such as Toyota Motor Corporation and ExxonMobil Research and Engineering Company. His tenure at these organizations has allowed him to hone his skills and contribute to groundbreaking fuel innovations.
Collaborations
Iwashita's work has been enhanced through collaboration with notable experts in the field, including his colleagues Keiji Yoeda and Takeshi Okumura. These partnerships have fostered a creative environment that has facilitated the development of advanced fuel technologies.
Conclusion
Yoshihiro Iwashita's contributions to the realm of fuel technology are noteworthy, with innovative patents that stand to improve the efficiency and functionality of vehicles utilizing flexible fuel systems. His dedication to advancing fuel management practices positions him as a key figure in the ongoing evolution of environmentally friendly automotive solutions.
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.