Location History:
- Kuga-gun, JP (2012)
- Yamaguchi, JP (2011 - 2014)
Company Filing History:
4 out of 188 
4 out of 20 
2 out of 331 Years Active: 2011-2014
Title: **Innovations and Contributions of Hiromitsu Hashisaka in Materials Science**
Introduction
Hiromitsu Hashisaka is a notable inventor based in Yamaguchi, Japan, recognized for his significant contributions to materials science. With a total of six patents to his name, Hashisaka has developed innovative methods and compositions that have advanced the fields of graphite electrode production and lithium-ion battery technology.
Latest Patents
Among his latest patents, Hashisaka has focused on two key inventions:
1. **Process for Producing Needle Coke for Graphite Electrode and Stock Oil Composition for Use in the Process**: This invention provides a stock oil composition for needle coke used in graphite electrodes, characterized by a distillation temperature of 280°C or higher and a specific aromatic component content. The stock oil composition is designed to enhance the efficiency and quality of needle coke production.
2. **Raw Material Charcoal Composition for Negative Electrode Material of Lithium-Ion Secondary Battery and Method for Producing the Same**: In this innovative patent, Hashisaka outlines a raw coke composition intended for use as a negative electrode material in lithium-ion batteries. The invention specifies certain crystallite size ratios and lattice constants, optimizing the material for improved performance in energy storage applications.
Career Highlights
Hiromitsu Hashisaka has had an impactful career with significant roles in notable companies such as Nippon Oil Corporation and Nippon Petroleum Refining Company Limited. His work within these organizations has contributed to the development of advanced materials and processes that are crucial in various industries, particularly in energy and materials research.
Collaborations
Hashisaka has collaborated with esteemed colleagues like Takashi Oyama and Tamotsu Tano. These partnerships have further enriched his research, facilitating the exchange of ideas and innovations that have helped shape the landscape of materials science.
Conclusion
Through his inventive prowess and collaborative efforts, Hiromitsu Hashisaka has made substantial advancements in the fields of graphite processing and battery technology. His patents not only highlight his creativity but also reflect the broader impact of his work on future innovations in materials science and energy 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.