This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Mitsubishi Chemical Corporation, National Institute for Materials Science. Active years: 2025-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
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2 out of 576 
Years Active: 2025-2026
Title: Atsushi Ooishi: Innovator in Phosphor Technology
Introduction
Atsushi Ooishi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of phosphor technology, particularly in light-emitting devices and illumination systems. His innovative work has led to the development of a unique phosphor composition that enhances the performance of various lighting applications.
Latest Patents
Atsushi Ooishi holds a patent for a phosphor, light-emitting device, illumination device, image display device, and indicator lamp for vehicles. The patent describes a phosphor that includes a crystal phase with a composition represented by ReMAMBMCDX. In this composition, MA includes elements such as Ca, Sr, Ba, Na, K, Y, Gd, or La, while MB includes Li, Mg, or Zn. Additionally, MC comprises Al, Si, Ga, In, or Sc, and D is nitrogen and/or oxygen. The patent specifies that when the content of boron is designated as b (mass ppm), the value of Log(b) must be 3.5 or less. This innovative phosphor composition is designed to improve the efficiency and effectiveness of light-emitting devices.
Career Highlights
Throughout his career, Atsushi Ooishi has worked with notable organizations, including Mitsubishi Chemical Corporation and the National Institute for Materials Science. His experience in these institutions has allowed him to refine his expertise in materials science and phosphor technology. His work has been instrumental in advancing the capabilities of light-emitting devices.
Collaborations
Atsushi has collaborated with talented individuals in his field, including Kyota Ueda and Tomoyuki Kurushima. These collaborations have fostered innovation and have contributed to the development of cutting-edge technologies in phosphor applications.
Conclusion
Atsushi Ooishi is a distinguished inventor whose work in phosphor technology has made a significant impact on the field of light-emitting devices. His innovative patent and collaborations highlight his commitment to advancing technology and improving lighting solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile