Higashihiroshima, Japan

Hiroshi Katayama

This inventor holds 7 USPTO granted patents. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1992-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Katayama. Retrieved from https://idiyas.com/inventor/hiroshi-katayama-tsiprj55

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


% Patents Active = 85.7

Average Co-Inventor Count = 1.3

ph-index = 3

Forward Citations = 49(Granted Patents)


Company Filing History:


Years Active: 1992-2008

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7 patents (USPTO):Explore Patents

Title: Hiroshi Katayama: Innovator in Optical Technology

Introduction

Hiroshi Katayama is a prominent inventor based in Higashihiroshima, Japan. He has made significant contributions to the field of optical technology, holding a total of 7 patents. His work focuses on enhancing the functionality and reliability of optical devices.

Latest Patents

One of his latest patents is an optical pickup device that features a wavelength selecting film and an optical reflector. This innovative device includes first and second light sources that emit laser beams of different wavelengths. The optical separator within the device effectively manages these beams, allowing for improved data reading from optical disks. Another notable patent is for an optical head that utilizes a grating to divide light into main and sub-beams, enhancing the detection of information signals while maintaining compactness.

Career Highlights

Hiroshi Katayama has dedicated his career to advancing optical technologies. His work at Sharp Kabushiki Kaisha Corporation has positioned him as a key figure in the development of optical devices. His inventions have not only improved existing technologies but have also paved the way for future innovations in the field.

Collaborations

Throughout his career, Katayama has collaborated with notable colleagues, including Michiaki Sato and Tomio Mashiyama. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Hiroshi Katayama's contributions to optical technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, showcasing the importance of innovation in advancing technology.

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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