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For the Inventor, By the Inventor

Tokyo, Japan

Seiichi Takayama

This inventor holds 70 USPTO granted patents and 1 published patent application, primarily in Thermally-Assisted Magnetic Recording (CPC class G11B). Top assignees: Tdk Corporation, Sae Magnetics (h.k.) Limited, Kyoto University. Active years: 2004-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Takayama. Retrieved from https://idiyas.com/inventor/seiichi-takayama

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

USPTO Granted Patents = 70 

% Patents Active = 84.3

Average Co-Inventor Count = 4.2

ph-index = 12

Forward Citations = 536(Granted Patents)

Forward Citations (Not Self Cited) = 505(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Chuo-ku, JP (2008 - 2011)
  • Tokyo, JP (2004 - 2017)
  • Hong Kong, CN (2014 - 2023)

Company Filing History:

goldMedal52 out of 8,247 
 
Tdk Corporation
 patents
silverMedal23 out of 764 
 
Sae Magnetics (h.k.) Limited
 patents
bronzeMedal6 out of 868 
 
Kyoto University
 patents
4. 4 out of 1,230 
 
Headway Technologies, Incorporated
 patents
5. 2 out of 4,048 
 
Alps Electric Co., Ltd.
 patents
6. 1 out of 6,021 
 
Rohm Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2004-2023

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Areas of Expertise:
Thermal Assisted Magnetic Head
Head Gimbal Assembly
Hard Disk Drive
Quantum Dot Structure
Optical Components
Light Source Unit
Laser Radar Device
Testing Methods
Plasmon Antenna
Waveguide
Electronic Device Manufacturing
Light Detector
70 patents (USPTO):Explore Patents
1. 11817678 - Semiconductor laser and laser radar device having the semiconductor laser (2023-11-14),
2. 11763842 - Method of manufacturing head gimbal assembly, head gimbal assembly and hard disk drive (2023-09-19),
3. 11749302 - Method of manufacturing head gimbal assembly, head gimbal assembly and hard disk drive (2023-09-05),
4. 11626133 - Method of manufacturing head gimbal assembly, head gimbal assembly and hard disk drive (2023-04-11),
5. 11127424 - Thermally-assisted magnetic recording head having active layer with quantum dot structure (2021-09-21),
6. 10943613 - Thermally assisted magnetic head, head gimbal assembly, hard disk drive and method of manufacturing the thermally assisted magnetic head (2021-03-09),
7. 10650856 - Thermally-assisted magnetic recording head having optimal reflecting position inside waveguide (2020-05-12),
8. 10614841 - Thermally assisted magnetic head, method for reducing reflected light, head gimbal assembly, and hard disk drive (2020-04-07),
9. 10510371 - Thermally-assisted magnetic recording head having sub-mount with barrier-members sandwich a heater (2019-12-17),
10. 10311903 - Method and system of testing slider body of thermally-assisted magnetic head (2019-06-04),
11. 10152992 - Light source unit and thermally-assisted magnetic head (2018-12-11),
12. 10061084 - Coupling structure of optical components and coupling method of the same (2018-08-28),
13. 9666218 - Thermal assisted magnetic head provided with light detector that detects reflected light (2017-05-30),
14. 9659582 - Method of manufacturing an electronic device (2017-05-23),
15. 9489972 - Light source unit, heat-assisted magnetic recording head using the same, and light source for light source unit (2016-11-08),

Title: The Innovative Journey of Seiichi Takayama

Introduction: Seiichi Takayama, a pioneering inventor hailing from Tokyo, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Seiichi Takayama's latest patents focus on advancements in artificial intelligence algorithms for autonomous vehicles, revolutionizing the way we approach transportation and safety on the roads.

Career Highlights: With a career spanning over two decades, Seiichi Takayama has been at the forefront of technological advancements. He has led research teams in developing cutting-edge solutions in the fields of robotics, machine learning, and renewable energy.

Collaborations: Throughout his career, Seiichi Takayama has collaborated with leading universities, research institutions, and tech companies worldwide. His collaborative efforts have resulted in the creation of innovative products that have shaped various industries.

Conclusion: Seiichi Takayama's relentless pursuit of innovation and his passion for pushing the boundaries of technology have solidified his position 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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