Location History:
- Kanagawa, JP (2000)
- Kawasaki, JP (2009 - 2010)
- Yokkaichi, JP (2004 - 2011)
- Tokyo, JP (1984 - 2012)
- Aizu-Wakamatsu, JP (2011 - 2024)
Company Filing History:
35 out of 58,129 
5 out of 1,960 
1 out of 342 
Years Active: 1984-2024
Title: Innovations and Contributions of Katsutoshi Ohno
Introduction
Katsutoshi Ohno, based in Tokyo, Japan, is a prominent inventor known for his significant contributions to the field of lighting technology. With a remarkable portfolio of 38 patents, Ohno has been at the forefront of innovations that enhance the efficiency and functionality of lighting devices. His work primarily focuses on phosphors and fluorescent lamps, which have broad applications in display technologies.
Latest Patents
Ohno's latest patents include groundbreaking developments in phosphors, specifically the invention of a fluorescent lamp utilizing a phosphor that consists of Eu-activated YVO, doped with 10 ppm to 3,000 ppm of Tb and/or 50 ppm to 4,500 ppm of Sm. These innovations showcase a higher luminance of light emitted under ultraviolet excitation compared to undoped YVO:Eu. Furthermore, he has designed a display apparatus that integrates a light source with multiple fluorescent materials and color filters. This sophisticated system ensures precise color reproduction by correlating the green and red chromaticity points within a defined range on the chromaticity coordinate system.
Career Highlights
Throughout his career, Katsutoshi Ohno has been associated with renowned companies, including Sony Corporation, where he contributed to advanced research and development projects. His work has consistently pushed the boundaries of technology, resulting in the issuance of numerous patents that underscore his innovative spirit and technical expertise.
Collaborations
In his professional journey, Ohno has collaborated with notable individuals, including Tsuneo Kusunoki and Takahiro Igarashi. These partnerships have enriched his research efforts and led to successful advancements in the field of fluorescent technology, further establishing his reputation as a leading inventor in the industry.
Conclusion
Katsutoshi Ohno's commitment to innovation and excellence in lighting technology is evident through his extensive patent portfolio and collaborative endeavors. As he continues to develop groundbreaking solutions, his contributions significantly impact both the scientific community and the market. Ohno’s work exemplifies the spirit of innovation, aiming to improve the technologies we rely on in our daily lives.
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.