Location History:
- Nara, JP (1998 - 1999)
- Tenri, JP (1993 - 2004)
- Mihara, JP (2008 - 2009)
- Hiroshima, JP (2009)
- Osaka, JP (2014 - 2017)
Company Filing History:
Years Active: 1993-2017
Title: The Innovations of Tadashi Takeoka
Introduction
Tadashi Takeoka is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of nitride semiconductor light-emitting elements. With a total of 11 patents to his name, Takeoka's work has had a substantial impact on the industry.
Latest Patents
Among his latest patents is a nitride semiconductor light-emitting element and a method for manufacturing the same. This invention features a substrate, a buffer layer, a base layer, an n-side nitride semiconductor layer, an MQW light-emitting layer, and a p-side nitride semiconductor layer. The design ensures that the x-ray rocking curve half-value width with respect to the (004) plane is 40 arcsec or less, or the (102) plane is 130 arcsec or less. Additionally, the light output at 25°C and 80°C maintains a rate of 95% or more with the same operating current. Another notable patent is a nitride semiconductor light-emitting element that includes multiple quantum well layers and barrier layers, enhancing the efficiency and performance of the device.
Career Highlights
Tadashi Takeoka is currently associated with Sharp Kabushiki Kaisha Corporation, where he continues to innovate in the field of semiconductor technology. His work has been instrumental in advancing the capabilities of light-emitting elements, which are crucial for various applications in electronics and lighting.
Collaborations
Throughout his career, Takeoka has collaborated with notable colleagues such as Masanori Watanabe and Mitsuhiro Matsumoto. These collaborations have fostered a creative environment that has led to groundbreaking advancements in their field.
Conclusion
Tadashi Takeoka's contributions to semiconductor technology through his innovative patents have established him as a key figure in the industry. His work continues to influence the development of efficient light-emitting elements, showcasing the importance of innovation in technology.
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.