Location History:
- Yonezawa, JP (1992)
- Iruma, JP (1992 - 1994)
- Trusugashima, JP (1998)
- Saitama-ken, JP (2001)
- Tsurugashima, JP (1995 - 2006)
- Saitama, JP (1989 - 2008)
Company Filing History:
18 out of 2,646 
13 out of 2,861 
1 out of 64 Years Active: 1989-2008
Title: The Innovative Journey of Hiroyuki Ota in Semiconductor Technology
Introduction: Hiroyuki Ota is a renowned inventor based in Tsurugashima, Japan, recognized for his remarkable contributions to the field of semiconductor technology. With an impressive portfolio of 33 patents, Ota has significantly influenced advancements in light-emitting devices and information recording technologies.
Latest Patents: One of Ota's latest patents encompasses a semiconductor light-emitting device and its fabrication method. In this invention, an underlying layer of Gallium Nitride (GaN) is formed on a sapphire substrate. The process involves the creation of a transfer layer with a uniquely designed surface to enhance light extraction. Notably, through the irradiation of the sapphire substrate with a YAG laser, the invention aims for effective decomposition of the light absorption layer and ultimately achieves a coherent light extraction face.
Another noteworthy patent involves a variable optical element which features prominently in an information recording and reproducing apparatus. This innovation utilizes an objective lens, a light source, and a variable optical element with piezo-electric properties. By controlling the electric field applied to the grating, this apparatus optimizes diffraction efficiency, thereby enhancing recording and reproducing capabilities across various information mediums.
Career Highlights: Throughout his career, Hiroyuki Ota has worked with leading companies in the electronics sector, including Pioneer Corporation and Pioneer Electronic Corporation. His expertise in semiconductor technologies has garnered him a respected position in the research and development community.
Collaborations: Ota has collaborated with esteemed professionals in his field, including Atsushi Watanabe and Mamoru Miyachi. These partnerships have contributed to the success of his innovations and the continuous evolution of semiconductor technologies.
Conclusion: Hiroyuki Ota's journey as an inventor exemplifies the spirit of innovation within the semiconductor industry. His significant contributions through 33 patents not only illustrate his technical prowess but also demonstrate the ongoing potential for advancements in information processing and light-emitting technologies. As he continues to push the boundaries of engineering, his work remains an inspiration for future inventors and researchers alike.
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.