Location History:
- Osaka, JP (2012 - 2014)
- Hyogo, JP (2015 - 2016)
- Kyoto, JP (2013 - 2017)
Company Filing History:
9 out of 16,453 
9 out of 13,319 Years Active: 2012-2017
Title: The Innovative Contributions of Masafumi Yamamoto in Lighting Technology
Introduction
Masafumi Yamamoto, an inventor based in Kyoto, Japan, has made significant strides in the field of lighting technology with an impressive portfolio of 18 patents to his name. His work is characterized by advanced electronic designs that enhance efficiency and usability in lighting devices.
Latest Patents
Among his latest innovations, Yamamoto has developed two remarkable patents in the field of lighting devices. The first is titled "Lighting device and lighting fixture using same," which incorporates a rectifier circuit, a conversion circuit, and a constant current circuit regulated by a control circuit. This design is aimed at converting AC to DC, enabling controlled output of current through intricate series circuits.
His second notable patent, "Lighting device and luminaire," features a signal converting circuit capable of transforming a dimming signal—a rectangular voltage signal—into a corresponding DC voltage signal. This sophisticated mechanism includes a resistor-capacitor (RC) circuit designed for integrating and managing the dimming signals to optimize the lighting experience by adjusting current values accordingly.
Career Highlights
Masafumi Yamamoto has had a distinguished career, contributing to prominent companies such as Panasonic Corporation and Panasonic Intellectual Property Management Co., Ltd. His experience in these organizations has provided him with a robust platform to innovate and refine his inventions in lighting technology.
Collaborations
Throughout his career, Yamamoto has collaborated with notable professionals in his field, including Hiroyuki Asano and Hisaya Takikita. These partnerships have enriched his work, leading to advancements in the functionality and application of lighting devices.
Conclusion
Masafumi Yamamoto exemplifies the spirit of innovation in lighting technology. His contributions through various patents not only reflect his expertise as an inventor but also signify his commitment to enhancing energy efficiency and user experience in lighting solutions. As he continues to push the boundaries of technology, his inventions are likely to impact the lighting industry significantly.