Location History:
- Tokyo, JA (1977)
- Tokyo, JP (1985 - 1989)
Company Filing History:
Years Active: 1977-1989
Title: **The Innovative Mind of Hiroshi Nagase: A Pioneer in Electrophotography Toners**
Introduction
Hiroshi Nagase, an esteemed inventor based in Tokyo, Japan, has made significant contributions to the field of electrophotography. With a remarkable portfolio of five patents, he has demonstrated an exceptional ability to innovate and enhance imaging technologies.
Latest Patents
Nagase's latest patents showcase his expertise in developing toners for dry electrophotography. One notable invention is the **negatively chargeable toner**, which comprises a resinous binder made from copolymers of styrene and/or alpha-methylstyrene combined with alkyl (meth)acrylates. This toner additionally incorporates a copolymer containing a sulfonic acid group and a coloring agent, creating a highly effective medium for image processing.
Another pertinent patent is the **positively chargeable toner**, which also utilizes a resinous binder but incorporates polyester and epoxy resins. This formulation includes a quaternary ammonium salt group and a coloring agent, further enhancing its performance for dry electrophotography applications.
Career Highlights
Hiroshi Nagase is currently affiliated with Fujikura Kasei Co., Ltd., where he continues to push the boundaries of toner technology. His innovative work has positioned him as a leader in the imaging industry, specifically in developing specialized toners that cater to various electrophotography needs.
Collaborations
During his career, Nagase has worked alongside talented individuals such as Akira Otsu and Tsuyoshi Aoyama. Their collaborative efforts in research and development have undoubtedly contributed to the success of Nagase’s inventive pursuits, fostering creativity and innovation within their field.
Conclusion
In conclusion, Hiroshi Nagase is not just an inventor but a transformative figure in the world of electrophotography toners. His dedication to innovation is evident in his numerous patents, which serve as a testament to his vision and expertise. As he continues to work with Fujikura Kasei Co., Ltd., the imaging industry eagerly anticipates his future contributions to technology.
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.