Kyoto, Japan

Yukio Saitoh

This inventor holds 2 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 2004-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukio Saitoh. Retrieved from https://idiyas.com/inventor/yukio-saitoh-7h6vayy9

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 2004-2006

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2 patents (USPTO):Explore Patents

Title: Innovations by Yukio Saitoh in Optical Technology

Introduction

Yukio Saitoh is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of optical technology, particularly in the development of semiconductor laser devices. With a total of 2 patents, his work has advanced the capabilities of optical recording and reproducing apparatuses.

Latest Patents

Saitoh's latest patents include an optical head device and an optical recording and reproducing apparatus that utilize lasers aligned in a tangential direction. This innovative semiconductor laser element features a dual-wavelength monolithic laser, integrating semiconductor lasers with emission wavelengths of 650 nm and 780 nm on a single chip. The design ensures that the beam spots formed on an optical disk are aligned along the pit-row direction, allowing for stable tracking servo operation while recording and reproducing information on optical media with varying characteristics and densities.

Another significant patent is for a semiconductor laser device and optical pickup device that can handle optical disks with different formats. This device incorporates a receiving/emitting optics integrated substrate, which houses two semiconductor laser elements with different emission wavelengths and multiple receiving optics. The configuration is designed to be compact and cost-effective, utilizing a single collimator lens to simplify the optical setup.

Career Highlights

Yukio Saitoh has been associated with Matsushita Electric Industrial Co., Ltd., where he has played a crucial role in advancing optical technologies. His innovative designs have contributed to the company's reputation for excellence in the electronics industry.

Collaborations

Saitoh has collaborated with notable coworkers, including Naoki Nakanishi and Shoichi Takasuka. Their combined expertise has fostered advancements in optical technology and semiconductor laser applications.

Conclusion

Yukio Saitoh's contributions to optical technology through his patents have significantly impacted the field. His innovative designs continue to influence the development of advanced optical recording and reproducing systems.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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