Company Filing History:
23 out of 28,584 
5 out of 70 
5 out of 13,319 
Years Active: 2009-2021
Title: **Hiroyuki Tanaka: Innovator in Light-Emitting Technologies**
Introduction
Hiroyuki Tanaka, a distinguished inventor based in Fukuoka, Japan, holds an impressive portfolio of 35 patents. His contributions to the field of organic light-emitting devices and authentication systems exemplify his innovative spirit and technical expertise.
Latest Patents
Among Hiroyuki's latest achievements are two significant patents. The first is a novel light-emitting material designed for use in organic light-emitting devices. This material features a compound represented by a specific general formula, which allows for achieving excellent external quantum efficiency. The molecular structure of this compound incorporates substituted or unsubstituted carbazolyl groups, as well as aromatic or heteroaromatic rings.
The second patent is focused on an advanced authentication system and method. This system includes a terminal with a transmitter and processor, as well as a server capable of receiving encrypted request information. The terminal generates a first one-time password based on time information and uses it to encrypt the request, which is then validated by the server using a corresponding second one-time password generated within the server.
Career Highlights
Hiroyuki Tanaka has worked with renowned companies, including Ricoh Company, Ltd. and Kyulux, Inc., where he has played a crucial role in the development of cutting-edge technologies. His extensive experience in these leading firms solidifies his reputation as a significant contributor to innovation in his field.
Collaborations
Throughout his career, Hiroyuki has collaborated with talented colleagues, including Tsutomu Ohishi and Kazumi Fujisaki. These partnerships have undoubtedly enhanced the innovative processes and technological advancements within their respective projects.
Conclusion
Hiroyuki Tanaka's remarkable journey as an inventor showcases his dedication to advancing technology through innovative solutions. His patents in light-emitting materials and authentication systems reflect his commitment to enhancing performance and security in electronic devices, positioning him as a pivotal figure in the world of inventions.