This inventor holds 19 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Idemitsu Kosan Company, Limited. Active years: 1992-2010.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Sodegaura-machi, JP (1998 - 2000)
- Chiba-ken, JP (2003)
- Chiba, JP (1992 - 2006)
- Sodegaura, JP (1992 - 2010)
Company Filing History:
Years Active: 1992-2010
Title: The Ingenious Innovations of Hisahiro Higashi
Introduction
Hisahiro Higashi, residing in Sodegaura, Japan, is a distinguished inventor with a remarkable portfolio of 19 patents. His contributions to the field of organic electroluminescence have notably advanced technologies in display systems and lighting devices.
Latest Patents
Among Hisahiro Higashi's latest innovations are cutting-edge organic electroluminescent devices. One significant patent encompasses an organic electroluminescence device that includes a pair of electrodes and an organic light-emitting medium. This medium comprises a mixed layer with at least one hole-transporting compound and one electron-transporting compound where the relation of their energy gaps promotes efficient light emission. Notably, this device boasts a long life and high light-emission efficiency.
Another recent patent focuses on an organic electroluminescent device constructed with layers formed from organic compounds containing less than 500 PPM of halogen compounds. This advanced design enables lightweight, thin, and low-voltage driving displays while maintaining excellent luminescent capacity and durability over prolonged operational periods.
Career Highlights
Hisahiro Higashi has made considerable strides in his career, notably contributing to esteemed organizations such as Idemitsu Kosan Company, Limited, and Idemitsu Kosan Co., Ltd. His role in these companies facilitated innovation in the field of organic electronics, significantly impacting the performance and longevity of display technologies.
Collaborations
Throughout his career, Higashi has collaborated with talented individuals such as Chishio Hosokawa and Tadashi Kusumoto. These partnerships have not only fostered a stimulating work environment but have also played a crucial role in driving advancements in organic electroluminescence technology.
Conclusion
Hisahiro Higashi's innovative spirit and dedication to research have led to significant advancements in organic electroluminescent devices. With 19 patents to his name and a career marked by impactful contributions, he continues to be a pivotal figure in the field of advancements in display technology. His work not only enhances the functionality of electronic devices but also paves the way for future innovations in the realm of organic electronics.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile