Hachioji, Japan

Kiyofumi Mochizuki

This inventor holds 14 USPTO granted patents. Top assignees: Kokusai Denshin Denwa Kabushiki Kaisha, Kokusai Denshin Denwa Co., Ltd., Kokusai Benshin Kabushiki Kaisha. Active years: 1983-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyofumi Mochizuki. Retrieved from https://idiyas.com/inventor/kiyofumi-mochizuki

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 9

Forward Citations = 247(Granted Patents)


Location History:

  • Yokohama, JP (1983)
  • Tokyo, JP (1983 - 1989)
  • Hachioji, JP (1986 - 1991)

Company Filing History:


Years Active: 1983-1991

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14 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Kiyofumi Mochizuki

Introduction

Kiyofumi Mochizuki is a notable inventor based in Hachioji, Japan, recognized for his extensive contributions to optical technologies. With a total of 14 patents to his name, Mochizuki has made significant strides in advancing optical fiber applications and devices.

Latest Patents

Among his most recent inventions is an innovative optical fiber cable. This cable features metallic members that are pre-coated with a film designed to prevent direct contact with water, thereby enhancing durability and performance. The film can either be a nonmetallic coating or a metallic option with low chemical reactivity. Another remarkable patent is the Er-doped optical fiber laser device, which is tailored for efficient operation. This device utilizes an erbium-doped optical fiber, which is further enhanced with dopants like holmium, thulium, and dysprosium. It is engineered to be pumped by light from a specific light source, allowing for advanced signal amplification.

Career Highlights

Throughout his career, Mochizuki has been associated with reputable companies, notably Kokusai Denshin Denwa Kabushiki Kaisha and Kokusai Denshin Denwa Co., Ltd. His roles in these organizations have allowed him to leverage his innovative prowess in developing cutting-edge optical solutions.

Collaborations

Kiyofumi Mochizuki's journey as an inventor has also involved collaboration with esteemed professionals in the field, such as Yoshinao Iwamoto and Noboru Edagawa. These partnerships have fostered the exchange of ideas and have significantly contributed to the advancement of his inventions.

Conclusion

Kiyofumi Mochizuki stands out as an influential figure in the realm of optical technologies. His numerous patents reflect his dedication to innovation and his impact on the industry. As he continues to develop pioneering solutions, Mochizuki's work promises to shape the future of optical communications and devices.

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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