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For the Inventor, By the Inventor

Chiryu, Japan

Masatoshi Tokunaga

This inventor holds 8 USPTO granted patents. Top assignees: Denso Corporation, Desno Corporation. Active years: 1999-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masatoshi Tokunaga. Retrieved from https://idiyas.com/inventor/masatoshi-tokunaga

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

USPTO Granted Patents = 8

% Patents Active = 62.5

Average Co-Inventor Count = 1.7

ph-index = 5

Forward Citations = 72(Granted Patents)


Company Filing History:

goldMedal7 out of 20,407 
 
Denso Corporation
 patents
silverMedal1 out of 2 
 
Desno Corporation
 patents

Years Active: 1999-2009

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8 patents (USPTO):Explore Patents
1. 7525237 - Ultrasonic sensor (2009-04-28),
2. 7344420 - Current sensor and mounting structure thereof (2008-03-18),
3. 7329975 - Ultrasonic sensor (2008-02-12),
4. 7210348 - Semiconductor dynamic quantity sensor (2007-05-01),
5. 7028568 - Sensor having resin mold casing and method of manufacturing the same (2006-04-18),
6. 6971268 - Pressure sensor having metallic diaphragm with convexity (2005-12-06),
7. 6034421 - Semiconductor device including molded IC fixed to casing (2000-03-07),
8. 5945606 - Elastic member, and method and structure for attaching sensor to sensor (1999-08-31),

Title: Masatoshi Tokunaga: Pioneering Inventor from Chiryu, JP

Introduction: Masatoshi Tokunaga is a prolific inventor hailing from Chiryu, Japan, whose groundbreaking innovations have made a significant impact in the world of technology. With a total of 8 patents to his name, Tokunaga's contributions have propelled advancements in various fields.

Latest Patents: Among his recent patents is the Ultrasonic sensor, featuring a unique design with converters and a protection component. Additionally, his invention of the Current sensor and its mounting structure showcases improved vibration resistance and connection reliability, making it a standout creation in the industry.

Career Highlights: Throughout his career, Masatoshi Tokunaga has lent his expertise to renowned companies such as Denso Corporation, where his innovative ideas have played a vital role in shaping the company's technological advancements. His work at Desno Corporation has also been instrumental in pushing the boundaries of innovation further.

Collaborations: Tokunaga's collaborative efforts with esteemed colleagues such as Makiko Sugiura and Takahiko Yoshida have resulted in the development of cutting-edge solutions that have garnered recognition within the industry. Their combined expertise and dedication to excellence have led to the creation of groundbreaking technologies.

Conclusion: Masatoshi Tokunaga's unparalleled creativity and commitment to innovation have cemented his legacy as a visionary inventor. His contributions continue to inspire future generations of inventors and shape the landscape of technological advancements worldwide.

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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