Location History:
- Nagasaki, JP (2012 - 2014)
- Tokyo, JP (1988 - 2018)
- Hino, JP (2022)
Company Filing History:
5 out of 2,530 
2 out of 4,631 
2 out of 4,240 
Years Active: 1988-2022
Title: **Innovative Contributions of Shin Nakayama**
Introduction
Shin Nakayama is a prominent inventor based in Tokyo, Japan, well-known for his significant contributions to the field of electrical engineering and optics. With a portfolio of six patents, Nakayama has demonstrated a remarkable ability to innovate and develop technologies that address real-world problems.
Latest Patents
Among his latest inventions are a surge protective device and a surge protective system. The surge protective device (SPD) features a jack and a plug that can be detachably connected by insertion. This device includes a protection circuit designed to shield equipment from lightning surge incidents. It is equipped with a degradation detecting unit that assesses the condition of the protection circuit and a display unit that conveys the detection results. When multiple SPDs are interconnected, a juncture plug is provided to connect adjacent juncture terminals. The degradation detection results can be communicated externally via connection terminals.
Another noteworthy patent from Nakayama focuses on a method of producing a gradient-index lens. This innovative process involves immersing a glass body into a molten salt containing ions that create a higher refractive index than that of the glass. This is followed by a second immersion into a different molten salt to achieve a predetermined refractive index distribution in the glass body, showcasing significant advancements in optical technology.
Career Highlights
Throughout his career, Shin Nakayama has worked with reputable companies, including Hoya Corporation and Sankosha Corporation. His work in these organizations has played a pivotal role in enhancing their technological capabilities and product offerings.
Collaborations
Nakayama has collaborated with several esteemed professionals, including Yoshiyuki Asahara and Shigeaki Omi. Their collective efforts in research and development have contributed to the advancement of technologies within their fields.
Conclusion
Shin Nakayama's inventive spirit and technical expertise have led to valuable innovations that continue to impact various industries. His patents reflect a commitment to creating solutions that enhance safety and efficiency, establishing him as a notable figure in the realm of invention.