Location History:
- Yokohama, JP (1997)
- Kanagawa, JP (2006 - 2011)
Company Filing History:
2 out of 27,375 
2 out of 16,453 
Years Active: 1997-2011
Title: Takaharu Shigeta - Pioneering Optical Innovations from Kanagawa
Introduction
Takaharu Shigeta, an accomplished inventor based in Kanagawa, Japan, has made significant contributions to the field of optical technology. With a total of four patents to his name, Shigeta has focused on enhancing the performance of optical disk devices, particularly in challenging temperature conditions.
Latest Patents
Among his most recent innovations is a groundbreaking optical disk device that utilizes a stepping motor in its optical pickup driving mechanism. This invention aims to stabilize the feeding operation of an optical pickup, remarkably even in a broad operating temperature range. The device incorporates a temperature sensor that monitors the in-equipment temperature. When the temperature is equal to or below a predetermined threshold, the driving current supply time is adjusted to ensure optimal performance. The stepping motor operates in a microstep drive mode, allowing precise movements of the optical pickup’s base in relation to the optical disk.
Career Highlights
Takaharu Shigeta's career includes notable tenures at prominent companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His work in these organizations not only honed his skills as an inventor but also positioned him at the forefront of innovation in optical technologies.
Collaborations
Throughout his career, Shigeta has collaborated with esteemed colleagues, including Hiroki Kobayashi and Seiichi Suzuki. These partnerships have likely inspired and contributed to his inventive processes, fostering an environment of creativity and technological advancement.
Conclusion
Takaharu Shigeta continues to inspire with his innovative spirit and dedication to improving optical technologies. His patents serve as a testament to his expertise and commitment to advancing the industry, promising exciting developments for the future of optical disk devices. As he progresses in his career, the inventions of Takaharu Shigeta will undoubtedly leave a lasting impact on the field of engineering and technology.