Location History:
- Minami-Ashigara-shi, JP (1999)
- Minami-ashigara, JP (1994 - 2011)
- Kanagawa, JP (1989 - 2024)
Company Filing History:
36 out of 11,665 
8 out of 2,107 
Years Active: 1989-2025
Title: Innovator Hiroshi Nakazawa: Pioneering the Future of Electrostatic Toner Technologies
Introduction
Hiroshi Nakazawa, based in Minami-ashigara, Japan, is a prominent inventor with an impressive portfolio of 44 patents. His innovative contributions primarily focus on the fields of electrostatic charge image developing toners, essential for printing technologies. His work showcases his dedication to advancing imaging solutions that enhance the quality and efficiency of printed materials.
Latest Patents
Among Nakazawa's latest notable patents are the "Preparing Method of Electrostatic Charge Image Developing Toner," "Electrostatic Charge Image Developing Toner," and "Electrostatic Charge Image Developer." These patents detail a sophisticated method for preparing electrostatic charge image developing toners, which involves aggregating binder resin and release agent particles within a dispersion. The process includes heating and coalescing the aggregated particles, followed by filtering and cleaning to yield high-quality toner particles. A unique feature of his preparation method is the addition of a polymer dispersant, which ensures that the dispersion maintains optimal quality during aggregation.
Career Highlights
Nakazawa's career is highlighted by his experience at prestigious companies, including Fuji Xerox Co., Ltd. and Fujifilm Business Innovation Corp. His work at these organizations has played a significant role in shaping modern printing technologies and developing innovative toner solutions that have paved the way for advancements in the field.
Collaborations
Throughout his career, Nakazawa has collaborated with notable colleagues such as Masanobu Ninomiya and Shuji Sato. Their combined expertise has contributed to a wealth of knowledge in electrostatic charge imaging, fostering innovation within the company and leading to the successful development of various patented technologies.
Conclusion
Hiroshi Nakazawa's extensive experience and contributions to the field of electrostatic toners exemplify the profound impact of innovation on the printing industry. His patents not only reflect his technical prowess but also his commitment to enhancing the capabilities of imaging technologies. As he continues to push the boundaries of what is possible, Nakazawa remains a key figure in the pursuit of excellence in electrostatic developing toners.
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.