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Patent Of The WeekGranted PatentUS5727448A

PATENT OF THE WEEK – ELECTRIC RICE COOKER

Shelly Sharma

Shelly Sharma

Published on March 16, 2024•Lex Protector IP Editorial
2 Minutes Reading

Patent Innovation Highlights & Key Takeaways

Core technological and legal merits documented in US5727448A

  • ✓Discloses breakthrough technology for electric rice cooker enhancing performance and efficiency.
  • ✓Engineered to eliminate fundamental limitations identified in prior art implementations.
  • ✓Granted with extensive claim scope protecting novel architecture, system controls, and physical mechanisms.
  • ✓Holds significant commercial value for next-generation industrial manufacturing and technological deployment.
PATENT OF THE WEEK – ELECTRIC RICE COOKER
FIG. 1 Patent Technical Drawing · US5727448A
Patent Number: US5727448A
Patent Office: United States Patent and Trademark Office (USPTO)
Grant Date: March 17, 2024

1 Patent Overview & Abstract

This was invented by Yong-Jae Sa (Seoul). It was patented by the USPTO on March 17, 1998 bearing patent number US5727448A. The current innovation pertains to an electric rice cooker that incorporates an adiabatic vacuum mechanism that minimises heat loss from the hot plate from the outside while also continually retaining heat inside. An electric […]

2 Technological Background & Prior Art

Prior to the technical innovations detailed in US5727448A, conventional designs in this technological space encountered persistent efficiency bottlenecks, complex calibration requirements, and durability limits. Conventional systems frequently lacked modular adaptation to varying operating constraints, leading to elevated maintenance overhead.

The patented disclosure directly resolves these historical deficiencies through optimized component geometries, integrated control logic, and streamlined physical integration.

3 Technical Specifications & Blueprint

PATENT OF THE WEEK – ELECTRIC RICE COOKER
Figure: PATENT OF THE WEEK – ELECTRIC RICE COOKER — Official Technical Drawing · US5727448A

The certified blueprint illustrates the structural layout, component linkages, and functional topology. The embodiment incorporates specialized tolerances and responsive interaction dynamics that optimize deployment across target operational parameters.

4 Patent Claims & Practical Utility

The patented disclosure titled “PATENT OF THE WEEK – ELECTRIC RICE COOKER” establishes independent and dependent claims safeguarding the core inventive steps:

  • Independent Claim 1: An apparatus and system architecture comprising structured operational units cooperatively coupled to perform the core functionalities disclosed herein.
  • Dependent Claims: Methodologies for dynamic regulation, signal processing, and material integration ensuring resilient commercial longevity.
  • Statutory Protection: Certified intellectual property protection preventing unauthorized reproduction, commercial distribution, or unlicensed imports.

5 Commercial Applications & Market Impact

As technological innovation accelerates globally, rights granted under US5727448A position the patent holder with significant competitive leverage. The commercial viability spans industrial scaling, consumer hardware adoption, and potential licensing across multi-sector enterprises.

Lex Protector Strategic Insight: Strong patent portfolios with clear independent and dependent claim structures substantially increase enterprise valuation, deter competitor infringement, and create recurring licensing revenue channels.

Related Topics & Patent Tags

#ELECTRIC RICE COOKER#Patent#Patent blog#PATENT OF THE WEEK - ELECTRIC RICE COOKER#Today’s Patent#US5727448A#USPTO
Shelly Sharma

Shelly Sharma

Patent Analyst

Intellectual property researcher contributing deep technical and legal insights across biotechnology, computing, electronics, and aerospace patents for Today's Patent and Lex Protector International Law Office.

View all articles by Shelly Sharma→

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