Fukuoka, Japan

Makoto Yamahata

This inventor holds 1 USPTO granted patent. Top assignee: Ricoh Company, Ltd.. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Yamahata. Retrieved from https://idiyas.com/inventor/makoto-yamahata

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


% Patents Active = 100.0

Average Co-Inventor Count = 7.0

ph-index = 1

Forward Citations = 40(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: The Innovations of Makoto Yamahata: A Pioneer in Optical Disk Technology

Introduction

Makoto Yamahata, located in Fukuoka, Japan, is a distinguished inventor known for his contributions to optical disk technology. His innovative approach has led him to secure a patent that showcases his expertise in the field. Yamahata’s work is a testament to the advancements in data storage solutions that have transformed how information is recorded and retrieved.

Latest Patents

Yamahata holds a patent for an optical disk apparatus designed for an optical disk enclosed in a disk cartridge. This advanced system comprises several key components, including a casing that accommodates the cartridge through a cassette insertion aperture. The apparatus features a disk drive motor for rotating the optical disk, a loading assembly for detachably loading the cartridge onto the disk drive motor, and an optical pickup device for both recording data on and reproducing data from the optical disk. Additionally, a deflecting member is included to seal the periphery of the optical pickup device, preventing the flow of outside air into the casing. To further enhance functionality, pressurized air supply means are incorporated to maintain a higher pressure within the optical head casing than the surrounding environment.

Career Highlights

Makoto Yamahata is currently employed by Ricoh Company, Ltd., a leading company in imaging and electronics. His role within this organization has allowed him to pursue innovative technologies that contribute to the advancement of optical disk apparatuses. His dedication to his craft and his inventive spirit have made a significant impact in his area of expertise.

Collaborations

Throughout his career, Makoto has collaborated with talented coworkers, including Toshimichi Hagiya and Junichi Watanabe. These collaborations have fostered a creative environment that encourages the sharing of ideas and solutions, ultimately leading to further innovations in optical technologies.

Conclusion

Makoto Yamahata stands out as a remarkable inventor with a singular vision for the future of optical disk technology. His patent reflects a deep understanding of technical needs and user demands in data storage solutions. As technology continues to evolve, Yamahata's contributions will undoubtedly influence future innovations within the industry.

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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