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For the Inventor, By the Inventor

Tokyo, Japan

Takumi Hasegawa

This inventor holds 21 USPTO granted patents and 2 published patent applications, primarily in Delay Analysis Systems. Top assignees: Nec Corporation, Subaru Corporation, Fuji Jukogyo Kabushiki Kaisha. Active years: 1996-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takumi Hasegawa. Retrieved from https://idiyas.com/inventor/takumi-hasegawa

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

Calculating rank
USPTO Granted Patents = 21 

% Patents Active = 81.0

Average Co-Inventor Count = 1.1

ph-index = 4

Forward Citations = 47(Granted Patents)


Company Filing History:

goldMedal15 out of 36,735 
 
Nec Corporation
 patents
silverMedal3 out of 2,476 
 
Subaru Corporation
 patents
bronzeMedal2 out of 2,208 
 
Fuji Jukogyo Kabushiki Kaisha
 patents
4. 1 out of 22,006 
 
Honda Motor Co., Ltd.
 patents

Years Active: 1996-2025

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Areas of Expertise:
Delay Analysis
Rectifier
Airflow Control
Logic Circuit
Electronic Component
Coating Device
Path Compression
Keyboard Design
Verification Device
Overturn Prevention
Apparatus Collection
User Request System
21 patents (USPTO):Explore Patents
1. 12478991 - Rotary atomizing coating device that includes a plurality of through holes that extend in a radial direction in a side surface portion of the rotary atomizing coating device (2025-11-25),
2. 10071595 - Vehicle with airflow control device (2018-09-11),
3. 9926023 - Rectifying device (2018-03-27),
4. 9840290 - Rectifying device (2017-12-12),
5. 9073583 - Rectifier of vehicle wheel house (2015-07-07),
6. 8276973 - Airflow deflector apparatus for vehicle (2012-10-02),
7. 7720663 - Delay analysis system (2010-05-18),
8. 7587301 - User's request reflecting design system and method thereof (2009-09-08),
9. 6889102 - Apparatus and a method for collection of a problem part (2005-05-03),
10. 6536857 - Device for preventing thin apparatus from overturning (2003-03-25),
11. 6515886 - Electronic apparatus having socket incorporating switch operated by insertion of electronic circuit device (2003-02-04),
12. 6381142 - Electronic component comprising elastic members for fitting the component to body of target device (2002-04-30),
13. 6371582 - Device for preventing thin apparatus from overturning (2002-04-16),
14. 6341363 - Delay computation apparatus, delay computation method, and storage medium for determining a path of a logic circuit with maximum or minimum delay times (2002-01-22),
15. 6317861 - Delay verification device for logic circuit and delay verification method therefor (2001-11-13),

Title: Innovator Takumi Hasegawa: Pioneering Vehicle Technologies in Tokyo

Introduction: Takumi Hasegawa, a prominent inventor based in Tokyo, Japan, has made significant contributions to automotive technologies, evidenced by his impressive portfolio of 20 patents. His work focuses primarily on innovations that enhance vehicle efficiency and performance.

Latest Patents: Hasegawa's latest groundbreaking inventions include a Vehicle with Airflow Control Device and a Rectifying Device. The Vehicle with Airflow Control Device features a wheel shutter to manage airflow through the vehicle wheels, and a shutter device for regulating air intake into the engine compartment, ultimately improving vehicle performance. The Rectifying Device consists of front and rear members that help streamline the vehicle's aerodynamics, ensuring better stability and efficiency by modifying airflow around the vehicle's body.

Career Highlights: Hasegawa has garnered extensive experience through his tenure at leading automotive companies, including NEC Corporation and Subaru Corporation. His innovative approach and dedication have established him as a valuable asset in the industry, particularly in the field of vehicle aerodynamics and performance enhancement.

Collaborations: Throughout his career, Takumi Hasegawa has collaborated with notable professionals such as Masashi Kitayama and Ryuya Kobayashi. These partnerships have allowed for the sharing of ideas and expertise that drive innovation in automotive technologies.

Conclusion: Takumi Hasegawa exemplifies the spirit of innovation in the automotive industry, continually pushing boundaries with his patents and technologies. His work not only reflects his personal dedication but also contributes significantly to advancements that may shape the future of vehicle design and efficiency.

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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