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For the Inventor, By the Inventor

Sendai, Japan

Takayuki Inoi

This inventor holds 34 USPTO granted patents, plus 2 CIPO patents, primarily in Energy Storage Devices. Top assignees: Nec Corporation, Nec Tokin Corporation, Nec Toppan Circuit Solutions, Inc.. Active years: 1992-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takayuki Inoi. Retrieved from https://idiyas.com/inventor/takayuki-inoi

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

USPTO Granted Patents = 34

% Patents Active = 91.2


Average Co-Inventor Count = 2.3

ph-index = 9

Forward Citations = 304(Granted Patents)


Location History:

  • Tokyo, JP (1992 - 2002)
  • Sendai, JP (2004 - 2006)
  • Miyagi, JP (2007 - 2008)

Company Filing History:

goldMedal19 out of 36,684 
 
Nec Corporation
 patents
silverMedal15 out of 259 
 
Nec Tokin Corporation
 patents
bronzeMedal1 out of 13 
 
Nec Toppan Circuit Solutions, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1992-2008

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Areas of Expertise:
Solid Electrolytic Capacitor
Non-Aqueous Battery
Piezoelectric Transformer
Noise Filter
Electrode Tab
Laminated Transformer
Electrostrictive Effect
Piezoelectric Actuator
Battery Pack
Manufacturing Method
Thin Surface Mount
Stacked Element
34 patents (USPTO):Explore Patents
1. 7317610 - Sheet-shaped capacitor and method for manufacture thereof (2008-01-08),
2. 7183014 - Battery pack (2007-02-27),
3. 7061772 - Electronic circuit with transmission line type noise filter (2006-06-13),
4. 7010838 - Thin surface mounted type solid electrolytic capacitor (2006-03-14),
5. 7005944 - Transmission line type noise filter with reduced heat generation even when large DC current flows therein (2006-02-28),
6. 6977807 - Laminated solid electrolytic capacitor and laminated transmission line device increased in element laminating number without deterioration of elements (2005-12-20),
7. 6970344 - Stacked solid electrolytic capacitor and stacked transmission line element (2005-11-29),
8. 6911880 - Transmission line type noise filter with small size and simple structure, having excellent noise removing characteristic over wide band including high frequency band (2005-06-28),
9. 6865070 - Solid electrolytic capacitor (2005-03-08),
10. 6836195 - Transmission line type noise filter with small size and simple structure, having excellent noise removing characteristic over wide band including high frequency band (2004-12-28),
11. 6809583 - Electronic device for supplying DC power and having noise filter mounted with excellent noise reduction (2004-10-26),
12. 6807045 - Thin surface mounted type solid electrolytic capacitor (2004-10-19),
13. 6765784 - Solid electrolytic capacitor and manufacturing method for the same (2004-07-20),
14. 6461760 - Non-aqueous electrolyte secondary battery having a rolled body therein (2002-10-08),
15. 6451473 - Non-aqueous electrolyte secondary battery and method of manufacturing the same (2002-09-17),

Title: **Innovative Contributions of Takayuki Inoi**

Introduction

Takayuki Inoi is a prominent inventor based in Sendai, Japan, known for his significant contributions to the field of electrical engineering. With a total of 34 patents to his name, Inoi has made substantial advancements in capacitor technology and battery pack designs that enhance the performance and reliability of electronic devices.

Latest Patents

Among his latest innovations, Inoi has developed a sheet-shaped capacitor aimed at facilitating the storage of large electrical charges. The design ensures easier manufacturing processes, cost reduction, and improved reliability. This capacitor features a dielectric film on a metal plate's surface, an electrically conductive high polymer layer, and a conductive layer, such as copper plating, that effectively leads out the cathode electrode.

Another major invention is a specially designed battery pack for portable terminal devices, such as cellular phones. This battery pack addresses challenges in charging dedicated secondary batteries by utilizing alkaline accumulators connected in series. The system incorporates a boosting-type DC/DC converter to elevate the voltage output to match that of traditional secondary batteries, ensuring stable power supply despite fluctuations in demand. Additionally, an electrical double layer capacitor is included in the design to support stable power feeding to the device.

Career Highlights

Inoi's career is marked by his tenure at NEC Corporation and NEC Tokin Corporation, where he has been pivotal in driving research and development efforts in capacitor and battery technologies. His innovative approach and dedication to improving electrical components have positioned him as a leading figure in the industry.

Collaborations

Throughout his career, Takayuki Inoi has collaborated with notable engineers, including Satoshi Arai and Yoshihiko Saiki. Their joint efforts have furthered the development of advanced technologies and enriched the engineering community with valuable insights.

Conclusion

Takayuki Inoi's impressive portfolio of patents underscores his commitment to innovation in electrical engineering. His inventions, particularly in capacitor and battery technologies, not only contribute to advancements in consumer electronics but also reflect the evolving needs of modern power solutions. As he continues to innovate, Inoi's work will undoubtedly have a lasting impact on the industry.

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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