Location History:
- Mobara, JP (2008 - 2019)
- Tokyo, JP (2024)
Company Filing History:
7 out of 5,668 
6 out of 1,238 
5 out of 1,207 Years Active: 2008-2025
Title: The Innovative Mind of Sadafumi Hirai
Introduction
Sadafumi Hirai, an accomplished inventor from Mobara, Japan, has made significant contributions to the field of display technology. With a remarkable portfolio of 12 patents, Hirai's inventions reflect a keen understanding of complex electronic systems and materials.
Latest Patents
Hirai's latest patent pertains to a novel display device. This device incorporates various components, including a substrate, a transistor, a leveling film, a display element, a partition wall, and at least one dam. The substrate is designed with a display region surrounded by a peripheral region. The transistor, located over the display region, is covered by the leveling film. On top of this film sits the display element, which features a pixel electrode connected to the transistor. Additionally, the partition wall protects an edge portion of the pixel electrode, while the dam, which is positioned over the peripheral region, plays a vital role in surrounding the display area. This innovative design incorporates materials found in the leveling film and partition wall, enhancing the device's overall functionality and efficiency.
Career Highlights
Throughout his career, Hirai has worked with notable companies in the display technology sector, including Japan Display Inc. and Panasonic Liquid Crystal Display Co., Ltd. His roles in these organizations have allowed him to further hone his skills and innovate within the realm of display solutions.
Collaborations
Sadafumi Hirai has collaborated with several esteemed professionals during his career, including Hiroaki Miwa and Keiichiro Ashizawa. Their teamwork has undoubtedly contributed to the development of pioneering technologies in the display industry.
Conclusion
Sadafumi Hirai's inventive spirit and commitment to innovation have greatly impacted the development of advanced display technologies. With numerous patents to his name, he continues to pave the way for future advancements in the field, making him a vital contributor to the world of electronics and display systems.
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.