Gifu, Japan

Katsuhiro Hama

This inventor holds 1 USPTO granted patent, plus 1 CIPO patent. Top assignees: Doryokuro Kakunenryo Kaihatsu Jigyodan, Kiso-Jiban Consultants Co., Ltd.. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiro Hama. Retrieved from https://idiyas.com/inventor/katsuhiro-hama

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 = 8.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: Katsuhiro Hama: Innovator in Groundwater Sampling Technology

Introduction

Katsuhiro Hama is a notable inventor based in Gifu, Japan. He has made significant contributions to the field of groundwater sampling technology. His innovative approach focuses on creating systems that efficiently sample groundwater while minimizing environmental disruption.

Latest Patents

Katsuhiro Hama holds a patent for a "Packer type groundwater sampling system and water sampling method." This invention provides a reliable, efficient, and economical way to sample groundwater under in-situ conditions. The system is designed to ensure that the environmental integrity of the formation water is maintained during the sampling process. It includes both continuous and batch-style water sampling processes, allowing for effective collection of formation water while confirming the same environmental conditions as the groundwater in the underground layer.

Career Highlights

Throughout his career, Katsuhiro Hama has worked with several organizations, including Doryokuro Kakunenryo Kaihatsu Jigyodan and Kiso-jiban Consultants Co., Ltd. His experience in these companies has contributed to his expertise in groundwater sampling technologies.

Collaborations

Katsuhiro has collaborated with notable coworkers such as Toshihiro Seo and Koichi Yanagisawa. Their combined efforts have further advanced the field of groundwater sampling.

Conclusion

Katsuhiro Hama's innovative contributions to groundwater sampling technology demonstrate his commitment to environmental preservation and efficiency. His work continues to influence the industry and improve methods for sampling groundwater.

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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