This inventor holds 12 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 2002-2006.
Company Filing History:
Years Active: 2002-2006
Title: Youichi Saitoh: Innovator in Optical Technology
Introduction
Youichi Saitoh is a prominent inventor based in Hirakata, Japan. He has made significant contributions to the field of optical technology, holding a total of 12 patents. His work focuses on enhancing the performance of optical devices, particularly in the areas of beam shaping and signal detection.
Latest Patents
One of Saitoh's latest patents is an "Optical head with adjustable beam shaping element." This invention provides an optical head that can obtain a good detection signal based on zeroth-order and first-order diffracted beams. The optical head includes a shaping element for shaping the beam emitted from a light source, a converging element for focusing the shaped beam on an optical recording medium, and a detector for detecting electric signals based on the diffracted beams. The shaping element is designed to be swingable, allowing for adjustments in the distance between the spot positions of the zeroth-order and first-order beams on the detector.
Another notable patent is the "Optical disk device with photodetector." This device enables favorable recording and reproduction of signals on optical disks with multiple signal planes. The invention divides a hologram into several regions and utilizes a photodetector that is also divided into at least two regions. Light emitted from a light source is focused on the signal planes, and the resulting light beams are processed to derive first-order diffracted light beams that are projected onto the photodetector.
Career Highlights
Youichi Saitoh is associated with Matsushita Electric Industrial Co., Ltd., a company known for its innovations in electronics and technology. His work has significantly advanced the capabilities of optical devices, making them more efficient and effective in various applications.
Collaborations
Saitoh has collaborated with notable coworkers, including Seiji Nishiwaki and Junichi Asada. Their combined expertise has contributed to the development of cutting-edge optical technologies.
Conclusion
Youichi Saitoh's contributions to optical technology through his patents and collaborations have made a lasting impact in the field. His innovative approaches continue to shape the future of optical devices and their applications.