Location History:
- Kyoto-shi, Kyoto JP (2008)
- Kyoto, JP (1986 - 2012)
Company Filing History:
3 out of 25,530 
2 out of 3,079 
1 out of 9 
Years Active: 1986-2012
Title: Innovations of Shigeo Fujita
Introduction
Shigeo Fujita is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of light-emitting technology, holding a total of nine patents. His work focuses on creating efficient and environmentally friendly light-emitting apparatuses.
Latest Patents
Fujita's latest patents include a light-emitting apparatus that features a light source emitting primary light and a phosphor that absorbs this light to emit secondary light. This innovative design offers high brightness, low power consumption, and a long lifespan while minimizing environmental impact. The phosphor is composed of a III-V group semiconductor in the form of fine-particle crystals, each with a volume of 2,800 nm or less. The emitted light from these fine-particle crystals is dependent on their volume, allowing for the adjustment of the wavelength range of the secondary light by controlling the volume distribution of the crystals.
Career Highlights
Throughout his career, Shigeo Fujita has worked with notable companies such as Sharp Corporation and Nichia Corporation. His experience in these organizations has contributed to his expertise in developing advanced light-emitting technologies.
Collaborations
Fujita has collaborated with several talented individuals in his field, including Yoichi Kawakami and Masaya Ishida. These partnerships have further enhanced his innovative capabilities and contributions to the industry.
Conclusion
Shigeo Fujita's work in light-emitting technology exemplifies the importance of innovation in creating sustainable solutions. His patents reflect a commitment to high performance and environmental responsibility in the field of lighting.
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.