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For the Inventor, By the Inventor

Tokyo, Japan

Naoki Furuhashi

This inventor holds 7 USPTO granted patents and 1 published patent application. Top assignee: Nec Corporation. Active years: 1999-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoki Furuhashi. Retrieved from https://idiyas.com/inventor/naoki-furuhashi

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

USPTO Granted Patents = 7 

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 103(Granted Patents)


Company Filing History:

goldMedal7 out of 36,684 
 
Nec Corporation
 patents

Years Active: 1999-2001

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7 patents (USPTO):Explore Patents
1. 6268681 - Method and circuit for driving piezoelectric transformer (2001-07-31),
2. 6208064 - Piezoelectric transformer drive circuit and drive method (2001-03-27),
3. 6151232 - Power supply circuit utilizing a piezoelectric transformer that supplies (2000-11-21),
4. 6078124 - Piezoelectric transformer driving circuit and driving method (2000-06-20),
5. 6008564 - Driver circuit for piezoelectric transformer (1999-12-28),
6. 5942835 - Piezoelectric transformer drive circuit (1999-08-24),
7. 5894184 - Drive circuit for driving a piezoelectric transformer capable of (1999-04-13),

Title: Naoki Furuhashi: Innovator in Piezoelectric Technology

Introduction

Naoki Furuhashi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of piezoelectric technology, holding a total of 7 patents. His work focuses on improving the efficiency and reliability of piezoelectric transformers, which are essential components in various electronic devices.

Latest Patents

Furuhashi's latest patents include a method and circuit for driving piezoelectric transformers. This innovation aims to prevent breakdowns due to excessive oscillation during activation while ensuring high efficiency. The method involves initiating the driving of the transformer at a frequency higher than its resonating frequency and gradually lowering it without passing through the resonating frequency. Another notable patent is a drive circuit that performs time division driving of piezoelectric transformers. This circuit enhances dimmer control range, prevents visually perceptible blinking, and reduces heating during no-load operation. The circuit generates multiple time division frequency signals, which are selected based on load conditions and dimmer settings.

Career Highlights

Naoki Furuhashi is currently employed at NEC Corporation, where he continues to innovate in the field of piezoelectric technology. His work has been instrumental in advancing the capabilities of piezoelectric transformers, making them more efficient and reliable for various applications.

Collaborations

Furuhashi has collaborated with notable colleagues such as Shuuji Yamaguchi and Hirokazu Takayoshi. Their combined expertise has contributed to the development of cutting-edge technologies in the field.

Conclusion

Naoki Furuhashi's contributions to piezoelectric technology through his innovative patents have significantly impacted the industry. His work at NEC Corporation and collaborations with esteemed colleagues highlight his dedication to advancing this important field.

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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