This inventor holds 11 USPTO granted patents. Top assignees: Toyama University, The University of Toyama, Brother Kogyo Kabushiki-Kaisha. Active years: 2000-2012.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Toyama, JP (2000 - 2011)
- Nishinagae, JP (2012)
Company Filing History:




Years Active: 2000-2012
Title: Innovator Hiroyuki Okada: A Pioneer in Organic Transistor Technologies
Introduction: Hiroyuki Okada, a distinguished inventor based in Toyama, Japan, has made significant contributions to the field of organic electronics. With a total of 11 patents to his name, Okada has been at the forefront of innovations that enhance the performance and functionality of organic transistors and diodes.
Latest Patents: Among his latest inventions, two notable patents stand out. The first is a "Thin-film laminate and organic transistor using the same." This organic transistor features a semiconductor section with a thin-film laminate comprising multiple layers of alternating organic thin films, specifically a pentacene thin film and an amorphous organic thin film. This design significantly improves transistor characteristics, including mobility, ON/OFF ratio, and threshold value control.
The second patent is for a "Multifunction organic diode and matrix panel thereof." This innovative diode serves multiple functions: it can emit light as an organic EL display, sense images as an organic photodiode, and generate power through an organic solar cell. The design includes a first electrode formed on a substrate, an organic thin film with both light-emitting and photoconductive properties, and a second electrode that completes the device.
Career Highlights: Throughout his career, Hiroyuki Okada has held positions at prominent institutions, including Toyama University and The University of Toyama. His research and development efforts have significantly contributed to the advancement of organic electronics.
Collaborations: Okada has collaborated with notable individuals such as Hiroyoshi Onnagawa and Shigeki Naka. Their combined expertise has facilitated the development of groundbreaking technologies in the field.
Conclusion: Hiroyuki Okada's innovative contributions to organic electronics through his patents have positioned him as a key figure in the industry. His work continues to inspire future advancements in organic transistor technologies, showcasing the importance of creativity and collaboration in driving technological progress.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile