Tokyo, Japan

Yukifusa Nakashima

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: Yukifusa Nakashima. Retrieved from https://idiyas.com/inventor/yukifusa-nakashima

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: Yukifusa Nakashima: Innovator in Groundwater Sampling Technology

Introduction

Yukifusa Nakashima is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of groundwater sampling technology. His innovative approach focuses on developing methods that ensure environmental preservation while efficiently collecting groundwater samples.

Latest Patents

Nakashima 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 without disturbing the surrounding formation water. The system includes both continuous and batch-style water sampling processes, allowing for accurate sampling of formation water while maintaining the same environmental conditions as the groundwater in the underground layer.

Career Highlights

Throughout his career, Nakashima has worked with various 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

Nakashima has collaborated with notable colleagues such as Katsuhiro Hama and Toshihiro Seo. Their combined efforts have further advanced the field of groundwater sampling.

Conclusion

Yukifusa Nakashima's innovative work in groundwater sampling technology exemplifies the importance of developing methods that are both effective and environmentally friendly. His contributions continue to influence the field and promote sustainable practices in groundwater management.

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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