Location History:
- Tenri, JP (2003 - 2007)
- Nara, JP (2003 - 2007)
- Osaka, JP (2014 - 2017)
Company Filing History:
Years Active: 2003-2017
Title: Masaki Tatsumi: Innovator in Light-Emitting Technologies
Introduction
Masaki Tatsumi is a prominent inventor based in Tenri, Japan. He has made significant contributions to the field of light-emitting devices, holding a total of 11 patents. His work focuses on improving light extraction efficiency and achieving uniform color tones in illumination.
Latest Patents
One of his latest patents is a light-emitting device with reflective resin, which enhances light extraction efficiency. This device utilizes a white resin molding package that is integrally molded with lead frames, which serve as electrodes for one or more light-emitting elements. The design ensures that the area of the white resin surface on a reflective surface is larger than the total area occupied by the lead frames and the light-emitting elements. Additionally, a step section is formed on the surfaces of the lead frames, allowing for increased white resin surface area where the light-emitting element is mounted.
Another notable patent is for a light-emitting module, which aims to emit illumination light with a nearly uniform color tone. This invention includes a surface light source that incorporates such light-emitting modules, as well as applications in liquid crystal displays and illuminating devices. The design ensures that adjacent dot light sources meet specific relationships to achieve a target chromaticity rank area, resulting in a balanced mixed color.
Career Highlights
Masaki Tatsumi is associated with Sharp Kabushiki Kaisha Corporation, where he continues to innovate in the field of light-emitting technologies. His work has significantly impacted the development of advanced lighting solutions.
Collaborations
He has collaborated with notable coworkers, including Toshio Hata and Mayuko Fudeta, contributing to various projects and advancements in their field.
Conclusion
Masaki Tatsumi's contributions to light-emitting technologies demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the complexities involved in creating efficient and effective lighting solutions.
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.