Company Filing History:
19 out of 42,485 
1 out of 7 Years Active: 1982-2005
Title: **Seiji Yonekura - Innovator in Organic EL Display Technology**
Introduction
Seiji Yonekura is a prominent inventor based in Hitachi, Japan, known for his significant contributions to the field of organic electroluminescent (EL) display technology. With a total of 19 patents to his name, Yonekura's work has had a substantial impact on the development of advanced display systems.
Latest Patents
Yonekura's latest patents include groundbreaking advancements in the production of organic EL displays and color filters. One notable patent describes a device for producing a color filter that utilizes a solution in which a light transmitting material is dissolved. The device features a part for storing the solution, a feeding mechanism to direct the solution to the tip of a flying electrode, and a method for applying a voltage to create an electrostatic field. This innovative approach allows for the precise formation of red, green, and blue light-emitting layers on a color filter substrate. Another significant patent involves an organic EL display production device that similarly utilizes a flying electrode to inject a light-emitting solution into concavities on an organic EL substrate, thereby creating vibrant display colors.
Career Highlights
Seiji Yonekura has made substantial contributions during his tenure at notable companies such as Hitachi, Ltd. and Hitachi Setsubi Engineering Co., Ltd. His expertise in display technologies has driven advancements that have shaped the consumer electronics landscape.
Collaborations
Throughout his career, Yonekura has collaborated with talented individuals in the field, including Shigeru Matsuoka and Takeshi Tokunaga. These collaborations have fostered innovative ideas and contributed to the success of multiple projects.
Conclusion
Seiji Yonekura's innovative work in organic EL display technology continues to influence the industry. With his 19 patents and collaborative efforts, he remains a key figure in the advancement of display systems, paving the way for future innovations in 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.