Company Filing History:
Years Active: 2005-2025
Title: Tetsu Tanaka: Innovator in Optical Technology
Introduction
Tetsu Tanaka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, holding a total of 7 patents. His work has been instrumental in advancing imaging devices and optical systems.
Latest Patents
Tanaka's latest patents include innovative designs and methods that enhance the functionality of optical devices. One of his notable inventions is a lens barrel that features a lens drive unit capable of moving a lens holder in the optical axis direction. This design incorporates a locking mechanism that regulates the movement of the lens holder, along with a control unit that optimizes the shifting process to achieve a regulated state. Another significant patent involves an optical pickup device that utilizes a double-wavelength objective lens. This device effectively collects light beams emitted from a light-emitting and detecting element, while also managing return light from an optical disk. The inclusion of multiple diffraction gratings allows for precise light path management and error signal detection.
Career Highlights
Throughout his career, Tetsu Tanaka has worked with renowned companies such as Sony Corporation and Sony Group Corporation. His experience in these organizations has allowed him to develop cutting-edge technologies that have had a lasting impact on the optical industry.
Collaborations
Tanaka has collaborated with notable colleagues, including Takeshi Kubo and Junichi Suzuki. These partnerships have fostered innovation and creativity in his projects, contributing to the success of his inventions.
Conclusion
Tetsu Tanaka's contributions to optical technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative designs continue to influence advancements in imaging devices and optical systems.