Akoh, Japan

Seiki Jikuhara

This inventor holds 2 USPTO granted patents. Top assignee: Sanyo Electric Co., Ltd.. Active years: 1996-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiki Jikuhara. Retrieved from https://idiyas.com/inventor/seiki-jikuhara

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 = 8.0

ph-index = 2

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1996-1998

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2 patents (USPTO):Explore Patents

Title: Seiki Jikuhara: Innovator in Refrigeration Technology

Introduction

Seiki Jikuhara is a notable inventor based in Akoh, Japan. He has made significant contributions to the field of refrigeration technology, holding a total of 2 patents. His work focuses on enhancing the performance and reliability of refrigerating units.

Latest Patents

Jikuhara's latest patents include innovative designs for refrigerating units. One patent describes a refrigerating unit that utilizes a refrigerating machine oil based on a polyol ester system. This unit operates within a refrigeration cycle that employs hydrofluorocarbon system refrigerants. The invention specifies that the purity of the hydrofluorocarbon refrigerant must exceed 99.95 wt %, while the chlorine system refrigerant must be limited to less than 80 ppm. This design aims to improve the overall performance and reliability of refrigerating units using refrigerants like R134a. Another patent focuses on a lubricant for refrigerating units, which also uses a hydrofluorocarbon system refrigerant combined with polyol ester system oil. Similar purity and chlorine impurity standards are set to enhance the efficiency of the refrigeration cycle.

Career Highlights

Seiki Jikuhara is associated with Sanyo Electric Co., Ltd., where he has contributed to various projects in refrigeration technology. His expertise in this area has led to advancements that benefit both the industry and consumers.

Collaborations

Jikuhara has worked alongside notable colleagues, including Yasuki Takahashi and Takashi Sunaga. Their collaborative efforts have furthered innovations in refrigeration systems.

Conclusion

Seiki Jikuhara's contributions to refrigeration technology through his patents demonstrate his commitment to improving the efficiency and reliability of refrigerating units. His work continues to influence the industry positively.

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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