Kobe, Japan

Naohiko Yamashita

This inventor holds 6 USPTO granted patents. Top assignees: L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des, Liquid Air Engineering Corporation, Teisan, K.k.. Active years: 1993-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naohiko Yamashita. Retrieved from https://idiyas.com/inventor/naohiko-yamashita

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 = 2.0

ph-index = 5

Forward Citations = 47(Granted Patents)


Location History:

  • Kobe, JP (1993 - 2000)
  • Hyogo-ken, JP (2001 - 2002)

Company Filing History:


Years Active: 1993-2002

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6 patents (USPTO):Explore Patents

Title: Naohiko Yamashita: Innovator in Gas Separation Technologies

Introduction

Naohiko Yamashita is a prominent inventor based in Kobe, Japan. He has made significant contributions to the field of gas separation technologies, holding a total of six patents. His innovative approaches have led to advancements in methods and apparatuses for regulating mixed gas concentrations.

Latest Patents

Yamashita's latest patents include a mixed gas concentration regulating method and a concentration regulating apparatus. This invention focuses on maintaining the recovery of easily permeable gases while minimizing power expenses. The apparatus features a pressure raising line with boosters, a gas separation section utilizing membranes, and a multi-stage design that enhances efficiency. Another notable patent is a method for recovering gas from a gas mixture using a semipermeable membrane. This method ensures a constant purity of the product gas, even with fluctuating feed amounts.

Career Highlights

Throughout his career, Naohiko Yamashita has worked with several notable companies, including Air Liquide, Société Anonyme Pour L'Étude Et L'Exploitation Des Gaz, and Liquid Air Engineering Corporation. His experience in these organizations has contributed to his expertise in gas separation technologies.

Collaborations

Yamashita has collaborated with several professionals in his field, including Takao Yamamoto and Sophie Gastinne. These partnerships have fostered innovation and development in gas separation methods.

Conclusion

Naohiko Yamashita's contributions to gas separation technologies through his patents and collaborations highlight his role as a leading inventor in this field. His work continues to influence advancements in gas concentration regulation and recovery methods.

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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