Location History:
- Hiroshima, JP (1984 - 1999)
- Hiroshima-Ken, JP (2001)
- Aki-gun, JP (2002 - 2004)
- Kure, JP (1989 - 2013)
Company Filing History:
25 out of 4,676 
1 out of 264 
1 out of 21,351 
Years Active: 1984-2013
Title: Tetsushi Hosokai – Innovator in Engine Diagnostics
Introduction
Tetsushi Hosokai, based in Hiroshima, Japan, is a prolific inventor with a remarkable portfolio of 26 patents. His innovative spirit has significantly contributed to advancements in internal combustion engine technology, particularly in diagnostic systems.
Latest Patents
Among his latest patents are two notable inventions:
1. **Diagnosis for Multiple Cylinder Engine** - This patent outlines methods and systems designed for diagnosing multi-cylinder internal combustion engines. The innovative approach involves determining cylinder air-fuel imbalance through the squared value of the difference between two specific values, improving the accuracy of engine diagnostics.
2. **Malfunction Diagnostic Apparatus for Evaporated Fuel Purge System** - This invention presents a diagnostic apparatus aimed at identifying abnormalities in the evaporated fuel purge system of internal combustion engines. The system can detect issues such as looseness or clogging in the purge line through a carefully orchestrated sequence of pump activation and current measurements. By analyzing changes in load currents, the system can effectively determine whether the purge line is functioning normally or if it is facing issues such as an open-air state or clogging.
Career Highlights
Tetsushi Hosokai's career includes notable contributions at leading companies in the automotive industry. He has worked at Mazda Motor Corporation and Toyo Kogyo Co., Ltd., where he focused on enhancing engine performance and diagnostics through his innovative inventions.
Collaborations
Throughout his career, Hosokai has collaborated with esteemed colleagues, including Futoshi Nishioka and Tetsuro Takaba. These collaborations have likely facilitated the exchange of ideas and spurred creativity in their respective projects.
Conclusion
Tetsushi Hosokai stands out as an influential figure in the realm of engine diagnostics. With a robust collection of patents and significant industry experience, his contributions continue to shape the future of internal combustion engine technology. His commitment to innovation demonstrates the vital role inventors play in advancing engineering and 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.