This inventor holds 4 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Ushio Denki Kabushiki Kaisha, Kyoto University, Newfrey Lcc. Active years: 2003-2022.
Location History:
- Himeji, JP (2014)
- Hyogo, JP (2015)
- Tokyo, JP (2003 - 2022)
Company Filing History:


Years Active: 2003-2022
Title: Ken Kataoka: Innovator in Light Emitting Technologies
Introduction
Ken Kataoka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of light emitting technologies, holding a total of 4 patents. His innovative work focuses on enhancing the efficiency and effectiveness of light-emitting devices.
Latest Patents
One of Ken Kataoka's latest patents is a light emitting element that includes an LED element emitting excitation light with a specific peak wavelength. This invention features a fluorescent body that emits fluorescence when excited by the LED, and a light extraction surface that combines the excitation light and fluorescence to produce output light. The output light is designed to exhibit emission over a range of wavelengths, ensuring high light emission intensity.
Another notable patent is the electron-beam-pumped light source. This invention aims to provide a uniform electron beam irradiation to a semiconductor light-emitting device. It allows for high light output without increasing the accelerating voltage of the electron beam, while also efficiently cooling the semiconductor device. The design includes a planar electron beam emitting portion arranged around the semiconductor light-emitting device.
Career Highlights
Ken Kataoka has worked with several companies throughout his career, including Ushio Denki and Newfrey LLC. His experience in these organizations has contributed to his expertise in light-emitting technologies and innovation.
Collaborations
Ken has collaborated with notable individuals in his field, including Hiroshige Hata and Masanori Yamaguchi. These collaborations have further enriched his work and contributed to advancements in light-emitting technologies.
Conclusion
Ken Kataoka is a distinguished inventor whose work in light emitting technologies has led to several innovative patents. His contributions continue to influence the field and pave the way for future advancements.