This inventor holds 2 USPTO granted patents and 2 EPO patents. Top assignee: Nippon Steel & Sumikin Chemical Co., Ltd.. Active years: 2014.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2014
Title: Ikumi Ichihashi: Innovator in Organic Electroluminescent Devices
Introduction
Ikumi Ichihashi is a prominent inventor based in Kitakyushu, Japan. She has made significant contributions to the field of organic electroluminescent devices, holding a total of 2 patents. Her work focuses on enhancing the efficiency and stability of these devices, which are crucial for various applications in modern technology.
Latest Patents
Ichihashi's latest patents include innovative designs for organic electroluminescent devices. One of her patents introduces a hole-injecting material that exhibits high luminous efficiency at low voltage, significantly improving driving stability. This material is selected from benzenehexacarboxylic acid anhydrides, benzenehexacarboxylic acid imides, or N-substituted benzenehexacarboxylic acid imides. The device features at least one light-emitting layer and a hole-injecting layer positioned between an anode and a cathode.
Another patent details an organic electroluminescent device that achieves high efficiency and longevity even when operated at low voltage. This device comprises a light-emitting layer and an electron-transporting layer, which consists of two sequential layers. The first electron-transporting layer contains an indole derivative with a substituted aromatic group, enhancing the overall performance of the device.
Career Highlights
Ikumi Ichihashi is currently employed at Nippon Steel & Sumikin Chemical Co., Ltd., where she continues to innovate in the field of organic electronics. Her work has garnered attention for its potential to revolutionize the efficiency of electroluminescent devices.
Collaborations
Ichihashi collaborates with notable colleagues, including Takayuki Fukumatsu and Hiroshi Miyazaki. Their combined expertise contributes to the advancement of technology in organic electroluminescent devices.
Conclusion
Ikumi Ichihashi's contributions to the field of organic electroluminescent devices highlight her innovative spirit and dedication to advancing technology. Her patents reflect a commitment to improving efficiency and stability in electronic devices, making her a key figure in her field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile