Location History:
- Shiga-ken, JP (1997 - 2001)
- Kyoto, JP (1991 - 2008)
Company Filing History:
9 out of 353 
1 out of 1,194 
1 out of 1,645 
Years Active: 1991-2008
Title: The Innovative Journey of Takashi Sumiya
Introduction
Takashi Sumiya, an esteemed inventor based in Kyoto, Japan, has made significant contributions to the field of materials science through his innovative inventions. With a portfolio of 10 patents, Sumiya's work specializes in non-aqueous absorbents and gelling agents for batteries, showcasing his expertise in creating materials that improve efficiency and functionality.
Latest Patents
Sumiya's recent patents highlight his pivotal role in advancing technology. One such invention is the "Non-aqueous absorbent and use thereof." This patent describes a non-aqueous absorbent comprising a crosslinked polymer featuring a high concentration of carboxyl and/or sulfonate groups. It demonstrates exceptional capability in absorbing various organic solvents, making it applicable in lithium batteries, bactericidal applications, cold insulating materials, and more.
Another notable patent, "Gelling agent for alkaline cell and alkaline cell," presents a gelatinizer for alkaline batteries. This invention utilizes crosslinked polymer particles combined with super fine metal oxide particles to create a durable alkaline battery. It enhances the battery's impact resistance and lifespan while streamlining the production process, thereby eliminating harmful materials such as benzene.
Career Highlights
Throughout his career, Takashi Sumiya has collaborated with renowned companies, including Sanyo Chemical Industries, Ltd. and Hoechst Celanese Corporation. His work in these organizations has allowed him to refine his inventions and contribute to advancements in battery technologies and absorbent materials.
Collaborations
Sumiya has had the opportunity to collaborate with notable colleagues, including Yoji Fujiura and Masami Koike. These partnerships have enriched his research, enabling him to leverage shared knowledge and expertise to further innovate within his field.
Conclusion
Takashi Sumiya's journey as an inventor showcases the power of innovation in enhancing technology and addressing industry needs. His patents not only reflect his profound technical knowledge but also his commitment to creating sustainable and effective solutions. As he continues to push the boundaries of materials science, his contributions will undoubtedly shape the future of various applications in numerous industries.