Location History:
- Toyohashi-City, Aichi-Prefecture, JP (1993)
- Higashiura, Kitayama-chou, Toyohasi, Aichi, JP (1994)
- Toyohashi-shi, Aichi-ken, JP (1999)
- Toyohasgi-shi, Aichi, JP (2001)
- Toyohashi, JP (1987 - 2006)
Company Filing History:
2 out of 223 
1 out of 2,816 
1 out of 105 
Years Active: 1987-2006
Title: Shiro Usui: Innovator in Color Technology
Introduction
Shiro Usui is a notable inventor based in Toyohashi, Japan, recognized for his contributions to color technology. With a total of six patents to his name, Usui has developed innovative methods and apparatuses that enhance image capturing and color reproduction.
Latest Patents
One of Usui's latest patents is an "Apparatus and method for obtaining object-color component data." This invention involves capturing first image data with a flash and second image data without a flash. By analyzing the differential image between these two sets of data, along with the spectral distribution of flash light, Usui's method allows for the acquisition of object-color component data that is free from the influence of the illumination environment. Another significant patent is the "Method and apparatus for color gamut mapping." This invention processes colorimetric values and utilizes a filtering process to minimize evaluation functions, ensuring accurate color reproduction across different images.
Career Highlights
Throughout his career, Shiro Usui has worked with various companies, including Toyo Ink Manufacturing Company. His work has significantly impacted the field of color technology, leading to advancements in how images are captured and processed.
Collaborations
Usui has collaborated with notable individuals such as Shigeki Nakauchi and Fumiko Uchino, contributing to the development of his innovative technologies.
Conclusion
Shiro Usui's work in color technology exemplifies the importance of innovation in enhancing image capturing and reproduction. His patents reflect a deep understanding of the complexities of color and light, making significant contributions to the field.
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.