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For the Inventor, By the Inventor

Kodaira, Japan

Chiaki Kumahara

This inventor holds 6 USPTO granted patents. Top assignees: Renesas Technology Corp., Hitachi Ulsi Systems Co., Ltd.. Active years: 2006-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chiaki Kumahara. Retrieved from https://idiyas.com/inventor/chiaki-kumahara

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

USPTO Granted Patents = 6

% Patents Active = 50.0

Average Co-Inventor Count = 4.0

ph-index = 5

Forward Citations = 75(Granted Patents)


Company Filing History:

goldMedal6 out of 3,781 
 
Renesas Technology Corp.
 patents
silverMedal1 out of 336 
 
Hitachi Ulsi Systems Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2006-2007

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6 patents (USPTO):Explore Patents
1. 7296097 - Memory card and initialization setting method thereof to avoid initializing operation failure in a memory card (2007-11-13),
2. 7286435 - Memory card device having low consumed power in the consumed power state (2007-10-23),
3. 7269748 - System for preventing errors upon ejection of a memory card from a slot (2007-09-11),
4. 7161834 - Memory card and data processing system (2007-01-09),
5. 7070113 - Nonvolatile memory card (2006-07-04),
6. 6982919 - Memory card and data processing system (2006-01-03),

Title: Chiaki Kumahara: Innovator in Memory Card Technology

Introduction

Chiaki Kumahara is a notable inventor based in Kodaira, Japan. She has made significant contributions to the field of memory card technology, holding a total of 6 patents. Her work focuses on improving the functionality and efficiency of memory cards, which are essential components in various electronic devices.

Latest Patents

Kumahara's latest patents include a memory card and initialization setting method designed to avoid initializing operation failures. This innovation involves detecting whether an initial command outputted from a host is 'CMD' or 'CMDCMD' using an initial command detection portion. The detection results are set in an SD/MMC register, which plays a crucial role in the reset processes for both hardware and firmware. Additionally, she has developed a memory card device that operates with low power consumption. This device features a regulator and internal circuits that manage power supply based on the external voltage, ensuring efficient energy use during operation.

Career Highlights

Throughout her career, Chiaki Kumahara has worked with prominent companies such as Renesas Technology Corporation and Hitachi ULSI Systems Co., Ltd. Her experience in these organizations has allowed her to refine her skills and contribute to groundbreaking advancements in memory card technology.

Collaborations

Kumahara has collaborated with talented individuals in her field, including Atsushi Shikata and Hidefumi Odate. These partnerships have fostered innovation and have been instrumental in her successful projects.

Conclusion

Chiaki Kumahara's contributions to memory card technology demonstrate her expertise and commitment to innovation. Her patents reflect a deep understanding of the challenges in the field and a dedication to creating efficient solutions.

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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