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For the Inventor, By the Inventor

Kanagawa, Japan

Tetsuo Sekiya

This inventor holds 23 USPTO granted patents, primarily in Magnetic Recording Technology. Top assignees: Sony Corporation, Mitsubishi Kasei Corporation, Tbk Co., Ltd.. Active years: 1979-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuo Sekiya. Retrieved from https://idiyas.com/inventor/tetsuo-sekiya

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

Calculating rank
USPTO Granted Patents = 23

% Patents Active = 95.7

Average Co-Inventor Count = 4.5

ph-index = 11

Forward Citations = 256(Granted Patents)


Location History:

  • Tokyo, JP (1987)
  • Shinagawa, JP (1995)
  • Kanagawa, JP (1987 - 1999)
  • Yokohama, JP (1979 - 2013)

Company Filing History:

goldMedal17 out of 58,150 
 
Sony Corporation
 patents
silverMedal5 out of 499 
 
Mitsubishi Kasei Corporation
 patents
bronzeMedal1 out of 19 
 
Tbk Co., Ltd.
 patents

Years Active: 1979-2013

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Areas of Expertise:
Energy Converter
Thin Film Magnetic Head
Magnetoresistance Effect
Magnetic Recording
Analog/Digital Reproducing
Optical Playback Head
Tracking Servo System
Magnetic Transducer
Compact Magnetic Head
Brush-less DC Motor
Data Formatting
Servo Heads
23 patents (USPTO):Explore Patents
1. 8575878 - Energy converter (2013-11-05),
2. 5872691 - Thin film magnetic head, magnetoresistance effect magnetic head and (1999-02-16),
3. 5822159 - Thin-film magnetic head, magnetoresistance effect magnetic head and (1998-10-13),
4. 5439927 - Imidazoyl-.beta.-oxo-.beta.-benzenepropanethiomide derivative, (1995-08-08),
5. 5436772 - Magnetic recording and reproducing apparatus having magneto-resistance (1995-07-25),
6. 5424890 - Magnetoresistance effect type thin film head (1995-06-13),
7. 5332833 - .beta.-oxo-.beta.-benzenepropanethioamide compounds (1994-07-26),
8. 5313342 - Analog/digital compatible reproducing system (1994-05-17),
9. 5260836 - Apparatus for reproducing digital and analog audio signals (1993-11-09),
10. 5202351 - 1-phenylalkyl-3-phenylurea derivative (1993-04-13),
11. 5197806 - Bearing system (1993-03-30),
12. 5145259 - Bearing system (1992-09-08),
13. 5126483 - 1-phenylalkyl-3-phenylurea derivatives (1992-06-30),
14. 5065390 - Optical playback head (1991-11-12),
15. 5063247 - Diphenylurea derivatives (1991-11-05),

Title: Tetsuo Sekiya: Pioneering Inventor from Kanagawa, Japan

Introduction: Tetsuo Sekiya is a renowned inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Tetsuo Sekiya holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: With a career spanning over three decades, Tetsuo Sekiya has worked with leading research institutions and tech companies, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Tetsuo Sekiya has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Tetsuo Sekiya's relentless pursuit of innovation and his passion for creating solutions to complex problems have solidified his reputation as a visionary inventor in the global tech community.

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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