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For the Inventor, By the Inventor

Kawasaki, Japan

Kiyoharu Oikawa

This inventor holds 12 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1991-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoharu Oikawa. Retrieved from https://idiyas.com/inventor/kiyoharu-oikawa

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

USPTO Granted Patents = 12

% Patents Active = 41.7

Average Co-Inventor Count = 1.7

ph-index = 4

Forward Citations = 53(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2001)
  • Tokyo, JP (2001)
  • Kawasaki, JP (1991 - 2009)

Company Filing History:

goldMedal12 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 1991-2009

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12 patents (USPTO):Explore Patents
1. 7598791 - Semiconductor integrated apparatus using two or more types of power supplies (2009-10-06),
2. 7400547 - Semiconductor integrated circuit with power-reducing standby state (2008-07-15),
3. 7260012 - Fuse latch circuit (2007-08-21),
4. 7243199 - Memory data protection system (2007-07-10),
5. 7167393 - Nonvolatile semiconductor memory device containing reference capacitor circuit (2007-01-23),
6. 7123527 - Redundancy fuse circuit (2006-10-17),
7. 6950360 - Memory circuit apparatus (2005-09-27),
8. 6643203 - Semiconductor memory device including clock-independent sense amplifier (2003-11-04),
9. 6459157 - Semiconductor device and double-sided multi-chip package (2002-10-01),
10. 6255729 - Multi chip package (MCP) applicable to failure analysis mode (2001-07-03),
11. 6202113 - Bank register circuit for a multiply accumulate circuit (2001-03-13),
12. 5036223 - Inverter circuit and chopper type comparator circuit using the same (1991-07-30),

Title: Kiyoharu Oikawa: Innovator in Semiconductor Technology

Introduction

Kiyoharu Oikawa is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 12 patents. His work focuses on improving the efficiency and functionality of semiconductor integrated circuits.

Latest Patents

Oikawa's latest patents include a semiconductor integrated apparatus that utilizes two or more types of power supplies. This innovative apparatus features a control circuit unit connected to both low and ground potential power supply terminals. It also includes an output circuit unit linked to a high potential power supply terminal, along with a detection circuit unit that monitors the low potential power supply output. Another notable patent is for a semiconductor integrated circuit designed with a power-reducing standby state. This circuit incorporates a sense amplifier for reading data from memory cells and a read-out control circuit that minimizes power consumption during standby.

Career Highlights

Kiyoharu Oikawa is currently employed at Kabushiki Kaisha Toshiba, where he continues to advance semiconductor technology. His work has been instrumental in developing more efficient electronic devices, contributing to the overall progress in the industry.

Collaborations

Oikawa has collaborated with notable colleagues, including Kimio Maruyama and Naokazu Kuzuno. Their combined expertise has fostered innovation and development in semiconductor technologies.

Conclusion

Kiyoharu Oikawa's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in electronic devices and systems.

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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