Location History:
- Tenri, JP (2012)
- Sakai, JP (2017 - 2023)
- Osaka, JP (2012 - 2024)
Company Filing History:
46 out of 25,530 
15 out of 19 
4 out of 12 
Years Active: 2012-2025
Title: Hirohisa Yamada: Pioneering Innovations in Display and Optical Technologies
Introduction
Hirohisa Yamada is a notable inventor based in Osaka, Japan, with an impressive portfolio that includes 45 patents. His innovative contributions primarily focus on display devices and information recording mediums, showcasing his expertise in the evolving technology landscape.
Latest Patents
Among his recent inventions, Yamada has developed a significant patent titled "Display device and method of driving display device." This invention features an inspection circuit that comprises a measuring circuit, computation circuit, peak determination circuit, and processing circuit, all working cohesively to enhance the performance of light-emitting elements.
Another noteworthy patent is the "Method for playing back information recording medium," which details a novel optical disk design. This design includes a medium information region for type identification and address information, as well as a data region for recording content data, catering to the requirements of advanced playback devices.
Career Highlights
Yamada's career spans various esteemed organizations, including Sharp Corporation and Memory-Tech Holdings Inc. His work at these companies has pushed the boundaries of technology, particularly in display and optical systems. Yamada's patents reflect his profound understanding and inventive approach in these fields.
Collaborations
Throughout his career, Yamada has collaborated with other talented individuals, including Masaki Yamamoto and Hideharu Tajima. These relationships have fostered an environment of creativity and innovation, leading to the successful development of groundbreaking technologies.
Conclusion
Hirohisa Yamada stands out as a visionary inventor in the realm of display and optical technologies. His 45 patents not only highlight his dedication to innovation but also his significant impact on the industry. As technology continues to evolve, Yamada's contributions will undoubtedly play a crucial role in shaping its future.
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.