Hitachi, Japan

Keiichi Hashiba

This inventor holds 1 USPTO granted patent. Top assignees: Hitachi Cable, Inc., The Tokyo Electric Power Company, Incorporated. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Hashiba. Retrieved from https://idiyas.com/inventor/keiichi-hashiba

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 = 12.0

ph-index = 1

Forward Citations = 25(Granted Patents)


Company Filing History:


Years Active: 1992

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Keiichi Hashiba: Innovator in Fiber Optic Technology

Introduction

Keiichi Hashiba is a notable inventor based in Hitachi, Japan. He is recognized for his contributions to the field of fiber optic technology, particularly in the development of temperature sensing systems. His innovative work has led to advancements that enhance the capabilities of optical fiber applications.

Latest Patents

One of Hashiba's significant patents is the Fiber Optic Distributed Temperature Sensor System. This system outputs a temperature distribution along the longitudinal direction of a sensor optical fiber by measuring the temperature dependency of Raman scattered light intensity produced in an optical fiber using the OTDR technique. The system is characterized by its ability to input light from a light source to the sensor via an optical wavelength division demultiplexer. It effectively separates light of a particular wavelength range using optical filters, guiding the signal to a detector in an optical measuring system. This innovation has practical applications in various industries, enhancing temperature monitoring capabilities.

Career Highlights

Throughout his career, Keiichi Hashiba has worked with prominent companies, including Hitachi Cable, Inc. and The Tokyo Electric Power Company, Incorporated. His experience in these organizations has contributed to his expertise in fiber optic technologies and their applications in real-world scenarios.

Collaborations

Hashiba has collaborated with notable colleagues, including Nobuo Ando and Kouichi Sugiyama. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of fiber optics.

Conclusion

Keiichi Hashiba's contributions to fiber optic technology, particularly through his patented innovations, have significantly impacted the industry. His work exemplifies the importance of research and development in advancing technological capabilities.

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]
Loading…