This inventor holds 5 USPTO granted patents. Top assignees: Pioneer Electronic Corporation, Pioneer Corporation. Active years: 1990-2004.
Location History:
- Saitama, JP (1990)
- Tokorozawa, JP (1991 - 2004)
Company Filing History:
Years Active: 1990-2004
Title: The Innovations of Tadashi Ueda
Introduction
Tadashi Ueda is a notable inventor based in Tokorozawa, Japan. He has made significant contributions to the field of data recording and digital imaging, holding a total of 5 patents. His work has been instrumental in advancing technology in these areas.
Latest Patents
One of Ueda's latest patents is a data recording apparatus that includes a light intensity control device. This apparatus utilizes a laser diode to apply light to a recording medium for data recording. It features a front monitor diode that detects the intensity of light emitted from the laser diode, along with a switch device that operates a lowpass filter during specific recording periods. The lowpass filter receives signals from the front monitor diode, and a sampling/holding unit samples the output signal from the lowpass filter, ensuring precise control over the light intensity emitted from the laser diode.
Another significant patent is a digital image recording and reproducing apparatus. This device includes a serial-to-parallel converter that connects an image memory to a data memory, converting serial image data into parallel format. It also features a parallel-to-serial converter that performs the reverse operation. This innovative design minimizes the number of bits required for image transfer, thereby reducing the time needed for image reproduction and retrieval.
Career Highlights
Throughout his career, Ueda has worked with prominent companies such as Pioneer Electronic Corporation and Pioneer Corporation. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in technology.
Collaborations
Ueda has collaborated with notable individuals in his field, including Tsuneo Ishii and Kazuhisa Yoshita. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Tadashi Ueda's contributions to data recording and digital imaging technologies have made a lasting impact in the industry. His innovative patents and collaborations highlight his role as a significant inventor in Japan.