Location History:
- Musashino, JP (1986 - 1987)
- Kanagawa, JP (1988 - 1990)
- Tokyo, JP (1998 - 1999)
- Kawasaki, JP (1999)
Company Filing History:
9 out of 4,800 
2 out of 219 
Years Active: 1986-1999
Title: The Innovative Mind of Mutsumi Nagumo
Introduction
Mutsumi Nagumo is a prominent inventor based in Tokyo, Japan, renowned for his contributions to the field of materials science and engineering. With a total of nine patents to his name, he has significantly influenced the development of advanced ceramic materials and heating elements.
Latest Patents
Two of his latest patents demonstrate his innovative approach in the creation of infrared radiation sources. The first patent focuses on a molybdenum disilicide ceramic composite infrared radiation source. This design features hot-pressed molybdenum disilicide reinforced with silicon carbide whiskers, optimizing performance by ensuring terminal portions of the illuminant are protected with a dense silica film. By controlling the current density and relative humidity during operation, the invention effectively suppresses low-temperature oxidation, thus enhancing the longevity of the infrared radiation source.
The second patent involves a ceramic heating element made of molybdenum disilicide and silicon. This invention includes a heat-generating portion formed from a ceramic composite material that incorporates 3 to 40 vol. % of silicon carbide whiskers, ensuring efficient thermal performance. The electrode portions are strategically located on both ends of the heat-generating segment to facilitate effective heat generation.
Career Highlights
Throughout his career, Mutsumi Nagumo has worked for notable companies, including Fuji Electric Co., Ltd. and Kabushiki Kaisha Riken. His experiences in these organizations have provided him with a solid foundation to develop his innovative ideas into practical applications.
Collaborations
Mutsumi has collaborated with talented individuals in the field, including Michihiko Tsuruoka and Masahiro Uno. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Mutsumi Nagumo's contributions to the field of materials science and engineering are marked by his innovative patents and impactful collaborations. His work in developing advanced ceramic materials holds promise for future applications in infrared radiation and heating technologies.
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.