Location History:
- Annaka, JP (1990 - 1997)
- Gunma-ken, JP (1998)
- Gunma, JP (1993 - 2014)
Company Filing History:
19 out of 1,099 
1 out of 7 
1 out of 1 Years Active: 1990-2014
Title: Innovations of Takao Takenaka: A Pioneer in Semiconductor Technology
Introduction: Takao Takenaka, hailing from Annaka, Japan, is an esteemed inventor with a remarkable portfolio of 21 patents. His contributions primarily lie in the semiconductor field, showcasing his expertise and innovative spirit. Takenaka has been instrumental in developing advanced materials and methods that enhance the functionality and reliability of electronic devices.
Latest Patents: Among his latest inventions are the thin film silicon wafer and an innovative method for manufacturing it. This advanced silicon wafer possesses high gettering capability, enabling its effective use in various applications. The manufacturing process involves creating one or more gettering layers directly beneath a device layer, fabricating a device in that layer, and subsequently removing a portion of the silicon wafer to retain the gettering layers.
Additionally, Takenaka has developed an AlGaInP light-emitting device that promises longer life and higher reliability. This device incorporates a sophisticated design with multiple cladding layers and a current-spreading layer, built upon an n-type GaAs substrate—all aimed at enhancing device performance.
Career Highlights: Throughout his career, Takenaka has been associated with prestigious companies such as Shin-Etsu Handotai Co., Ltd. and Shin-Etsu Handotai Kabushiki Kaisha. His extensive experience in these roles has significantly contributed to his deep understanding of semiconductor technologies.
Collaborations: Takao Takenaka has collaborated with leading professionals in the field, including notable coworkers Masato Yamada and Keizo Adomi. These partnerships have enabled a thriving environment for innovation and development within semiconductor research and applications.
Conclusion: Takao Takenaka stands out as a significant figure in the semiconductor industry, with his innovative patents and extensive work at renowned companies. His contributions, particularly regarding thin film silicon wafers and light-emitting devices, highlight the importance of innovation in advancing technology. With an impressive collection of patents, Takenaka continues to inspire future generations of inventors and engineers.
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.