Location History:
- Osaka, JP (2012 - 2013)
- Saitama, JP (2016)
Company Filing History:
3 out of 855 
2 out of 16,453 
1 out of 9 
Years Active: 2012-2016
Title: Inventor Sachie Fujikawa: Pioneering Light Emitting Devices in Osaka
Introduction
Sachie Fujikawa, a talented inventor based in Osaka, Japan, has made significant contributions to the field of semiconductor technology. With a portfolio of four patents, she is recognized for her innovative approaches in developing light emitting elements and devices that enhance the efficiency and effectiveness of lighting solutions.
Latest Patents
Among her latest patents is a groundbreaking invention titled "Light Emitting Element and Method for Manufacturing Same". This patent describes a semiconductor light emitting element that incorporates a photonic crystal periodic structure featuring two systems with different refractive indices. The interface between these systems satisfies Bragg scattering conditions, leading to the formation of a photonic band gap.
Another noteworthy patent is for a "Nitride Semi-Conductive Light Emitting Device". This invention outlines a layered structure including a single crystal substrate for epitaxial growth, various buffer layers, and nitride semi-conductive layers that effectively manage threading dislocations and reduce residual distortions in the light emitting layer. By exploiting carriers generated in the third buffer layer, this device successfully minimizes the piezoelectric field, resulting in improved performance.
Career Highlights
Sachie Fujikawa's professional journey includes vital contributions while working for prominent organizations such as Riken Corporation and Panasonic Corporation. Her expertise in semiconductor technology and innovative design has positioned her as a leader in her field, ensuring her ideas and inventions are at the forefront of industry advancements.
Collaborations
Fujikawa has had the opportunity to collaborate with esteemed colleagues including Hideki Hirayama and Takayoshi Takano. These partnerships have further driven her success and fostered an environment for creativity and innovation within the technology sector.
Conclusion
Through her exceptional work and dedication, Sachie Fujikawa has solidified her place as a pioneering inventor in the realm of light emitting devices. Her patents not only demonstrate her technical knowledge but also contribute to shaping the future of semiconductor technology. Her ongoing commitment to innovation continues to inspire and influence emerging technologies in the field.