Location History:
- Kure, JP (1997 - 2005)
- Hatsukaichi, JP (2003 - 2008)
- Otake, JP (2009)
- Ohtake, JP (2009)
- Hiroshima-ken, JP (2013)
Company Filing History:
Years Active: 1997-2013
Title: **Inventor Spotlight: Mamoru Kamigaki**
Introduction:
Mamoru Kamigaki is a distinguished inventor based in Hatsukaichi, Japan. With an impressive portfolio of 14 patents, Kamigaki has made significant contributions to the fields of materials science and electrostatics, particularly through his innovative work with black magnetic iron oxide particles.
Latest Patents:
Among his latest inventions, two notable patents stand out. The first is focused on black magnetic iron oxide particles comprising magnetite as a main component. This invention highlights a unique aspect wherein the black magnetic iron oxide particles, when molded into a tablet shape, can control the electric resistance value in an alternating current electric field. This design provides an impedance value of no less than 2 × 10^Ωcm in a characteristic frequency range, essential for producing toner that exhibits excellent charging performance and uniformity, even under challenging high-temperature and high-humidity conditions.
The second patent deals with black magnetic iron oxide particles that have a specific dissolution of sulfur element. Here, the particles possess a polyhedral shape, and the patent specifies that when 50% of iron elements dissolve based on the total amount present, the percentage of sulfur element dissolution remains below 40%. This innovation aims to enhance the performance of toner images while minimizing the use of heavy metal elements.
Career Highlights:
Kamigaki's career has been marked by a relentless pursuit of innovation. His role as an inventor plays a crucial part in the research and development efforts at Toda Kogyo Corporation, where he contributes to advancements in magnetic materials and their applications in various industries.
Collaborations:
Throughout his career, Kamigaki has collaborated with esteemed colleagues such as Hiroko Morii and Kazuyuki Hayashi. Together, they have explored new avenues of research, leading to developments that push the boundaries of existing technologies in their field.
Conclusion:
Mamoru Kamigaki continues to be a remarkable figure in the realm of invention, with his patents significantly influencing the industry. His dedication to creating innovative solutions highlights the importance of research and development in advancing technology for practical applications. The work of inventors like Kamigaki serves as a testament to the potential impact of creativity and scientific inquiry on everyday life.
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.