Tokyo, Japan

Masahiko Kawashima

This inventor holds 1 USPTO granted patent and 4 published patent applications. Top assignee: Asahi Kasei Kabushiki Kaisha. Active years: 2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Kawashima. Retrieved from https://idiyas.com/inventor/masahiko-kawashima-1uf48zvb

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2023

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1 patent (USPTO):Explore Patents

Title: Masahiko Kawashima: Inventor of a Gas Separation Membrane Module

Introduction

Masahiko Kawashima is an inventor based in Tokyo, Japan, associated with Asahi Kasei Kabushiki Kaisha. His patent work includes an invention focused on the design and long-term utility of gas separation membrane modules.

Latest Patents

Kawashima is credited with 1 patent, titled “Gas Separation Membrane Module.” The patent describes a module comprising a housing, a gas separation membrane arranged inside the housing, and an adhesive part that fixes the membrane to the housing. The disclosure presents this configuration as a way to provide high, long-term utility.

Career Highlights

Kawashima’s listed work connects him with Asahi Kasei Kabushiki Kaisha, a company whose research and development spans materials and chemical technologies. His patent reflects an engineering contribution to gas separation equipment.

Collaborations

Kawashima’s listed coworkers include Masato Mikawa and Kimiya Murakami. Their shared association with the company provides context for his professional network, though the supplied information does not specify their roles in this patent.

Conclusion

Masahiko Kawashima’s recorded patent centers on a membrane module designed for durable gas separation, highlighting his contribution to applied engineering at Asahi Kasei Kabushiki Kaisha.

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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