Company Filing History:
1 out of 28,566 
1 out of 234 
1 out of 1,418 Years Active: 2011-2016
Title: **The Innovative Mind of Hiroyuki Ojima**
Introduction
Hiroyuki Ojima, an inventive spirit from Shizuoka, Japan, has significantly contributed to the fields of energy and fuel cell technology. With a total of two patents to his name, Ojima's inventions illustrate his commitment to enhancing vehicle power systems and sustainable fuel sources.
Latest Patents
Ojima's first patent is for an **In-vehicle power source device**. This innovative device provides a practical solution for the effective replacement of fuses that tend to melt during overcurrent situations. It incorporates essential components such as a battery selector switch with a current detecting function, a main relay also equipped with a current detecting function, and a bypass relay designed to bypass the battery selector switch. Notably, a bypass fuse is positioned outside the case of the second power source for optimal safety. The design ensures that when current levels exceed a predetermined threshold, the systems effectively cut off to prevent any damage.
His second notable invention is an **electrocatalyst for ethanol oxidation** and the direct ethanol fuel cell using this substance. This electrocatalyst consists of a unique elemental mixture that includes platinum, ruthenium, and an additional element selected from tungsten, tin, molybdenum, copper, gold, manganese, and vanadium. This development aims to enhance the efficiency of ethanol fuel cells, contributing to cleaner energy solutions.
Career Highlights
Throughout his career, Hiroyuki Ojima has ventured into significant roles at renowned companies like Ricoh Company, Ltd. His experience in these positions has not only honed his inventive abilities but also allowed him to apply his skills in real-world applications.
Collaborations
Ojima has collaborated with talented individuals, notably Isamu Uchida and Minoru Umeda. Their joint efforts likely contributed to the innovative developments Ojima has achieved in his field.
Conclusion
Hiroyuki Ojima stands out as a dedicated inventor in the realm of energy solutions and sustainable technology. His contributions through patents showcase his ability to address contemporary challenges with innovative approaches. As technological advancements continue to evolve, inventors like Ojima play a pivotal role in shaping the future of energy efficiency and environmental sustainability.