Kawagoe, Japan

Haruya Ohba

This inventor holds 6 USPTO granted patents. Top assignees: Citizen Watch Company, Ltd., Citizen Holdings Company, Ltd.. Active years: 1995-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruya Ohba. Retrieved from https://idiyas.com/inventor/haruya-ohba

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 = 1.3

ph-index = 3

Forward Citations = 39(Granted Patents)


Company Filing History:


Years Active: 1995-2025

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6 patents (USPTO):Explore Patents

Title: Haruya Ohba: Innovator in Timekeeping Technology

Introduction

Haruya Ohba is a notable inventor based in Kawagoe, Japan. He has made significant contributions to the field of watchmaking, holding a total of 6 patents. His work has been instrumental in advancing the technology and design of timepieces.

Latest Patents

Among his latest patents are innovations related to watch dials and watch cases. These patents reflect his commitment to enhancing the functionality and aesthetics of watches, making them more appealing to consumers.

Career Highlights

Haruya Ohba has had a distinguished career, working with prominent companies such as Citizen Watch Company, Ltd. and Citizen Holdings Company, Ltd. His experience in these organizations has allowed him to develop and refine his skills as an inventor in the watch industry.

Collaborations

Throughout his career, Ohba has collaborated with talented individuals, including Toshinori Okazaki and Tetsuya Inui. These partnerships have contributed to the innovative projects he has undertaken.

Conclusion

Haruya Ohba's contributions to watchmaking through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the evolution of timekeeping 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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