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For the Inventor, By the Inventor

Miyagi, Japan

Tatsumi Fujiyoshi

This inventor holds 34 USPTO granted patents and 2 published patent applications and 14 EPO patents, primarily in Capacitance Detection. Top assignees: Alps Alpine Co., Ltd., Alps Electric Co., Ltd., Frontec Incorporated. Active years: 1993-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsumi Fujiyoshi. Retrieved from https://idiyas.com/inventor/tatsumi-fujiyoshi

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 = 88.2

 

Average Co-Inventor Count = 1.6

ph-index = 10

Forward Citations = 395(Granted Patents)


Location History:

  • Sendai, JP (1993)
  • Niigata-ken, JP (2021)
  • Miyagi, JP (2019 - 2022)
  • Miyagi-ken, JP (1999 - 2024)

Company Filing History:

goldMedal14 out of 577 
 
Alps Alpine Co., Ltd.
 patents
silverMedal12 out of 4,048 
 
Alps Electric Co., Ltd.
 patents
bronzeMedal3 out of 37 
 
Frontec Incorporated
 patents
4. 1 out of 1 
 
Edios Advanced Display, LLC
 patent
5. 4 out of 834,570 
Other
 patents

Years Active: 1993-2025

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Areas of Expertise:
Proximity Detection
Capacitance Detection
Electrostatic Sensor
Input Device
Fingerprint Sensor
Image Display
Liquid Crystal Display
Charge Detection Circuit
Coordinate Detection
Pixel Resolution
Display Driving Method
Sine-Wave Multiplier
34 patents (USPTO):Explore Patents
1. 12386464 - Proximity detection device (2025-08-12),
2. 12174047 - Capacitance detection device and capacitance detection method (2024-12-24),
3. 12019109 - Capacitance detection device and capacitance detection method (2024-06-25),
4. 11599222 - Detection device (2023-03-07),
5. 11511605 - Operation input device and door handle (2022-11-29),
6. 11379086 - Proximity detecting device having obliquely crossing detection electrode group (2022-07-05),
7. 11327100 - Electrostatic sensor and door handle (2022-05-10),
8. 11188166 - Input device (2021-11-30),
9. 11131566 - Electrostatic sensor (2021-09-28),
10. 11112920 - Input device and image data calculation method (2021-09-07),
11. 10942613 - Input device and method of controlling the same (2021-03-09),
12. 10817114 - Capacitance detection device for detecting capacitance between object proximate to detection electrode and the detection electrode and input device used for inputting information according to proximity of object (2020-10-27),
13. 10511290 - Sine-wave multiplier and input device including the same (2019-12-17),
14. 10331409 - Sine wave multiplication device and input device having the same (2019-06-25),
15. 10152186 - Input device for detecting an electrostatic capacitance of an object (2018-12-11),

Title: Inventor Tatsumi Fujiyoshi

Introduction: Tatsumi Fujiyoshi is a renowned inventor hailing from Miyagi-ken, Japan. He is known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: Tatsumi Fujiyoshi holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions. His recent patents focus on enhancing efficiency in industrial processes and improving everyday technologies.

Career Highlights: With a career spanning over two decades, Tatsumi Fujiyoshi has worked with leading research institutions and technology companies. He has been instrumental in developing cutting-edge products that have revolutionized the way we interact with technology.

Collaborations: Throughout his career, Tatsumi Fujiyoshi has collaborated with top engineers, scientists, and designers from around the world. His collaborative efforts have led to the creation of innovative solutions that have received international acclaim.

Conclusion: Tatsumi Fujiyoshi's passion for innovation and his relentless pursuit of excellence have established him as a prominent figure in the world of inventors. His work continues to inspire future generations of innovators to push the boundaries of what is possible.

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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