logo

For the Inventor, By the Inventor

Ibaraki, Japan

Koujirou Sekine

This inventor holds 25 USPTO granted patents and 13 published patent applications, plus 1 CIPO patent, primarily in Optical Devices. Top assignees: Konica Minolta, Inc., Konica Minolta Opto, Inc., Minolta Company, Ltd.. Active years: 2002-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koujirou Sekine. Retrieved from https://idiyas.com/inventor/koujirou-sekine

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

USPTO Granted Patents = 25 

% Patents Active = 36.0


Average Co-Inventor Count = 2.8

ph-index = 3

Forward Citations = 77(Granted Patents)


Location History:

  • Ibaraki, JP (2002 - 2022)
  • Osaka, JP (2023)

Company Filing History:

goldMedal10 out of 4,387 
 
Konica Minolta, Inc.
 patents
silverMedal6 out of 680 
 
Konica Minolta Opto, Inc.
 patents
bronzeMedal5 out of 2,816 
 
Minolta Company, Ltd.
 patents
4. 4 out of 713 
 
Konica-Minolta Holdings, Inc.
 patents
5. 2 out of 1,051 
 
Tohoku University
 patents
6. 1 out of 1 
 
Spin Sensing Factory Corp.
 patent
where one patent can have more than one assignee

Years Active: 2002-2023

Loading Chart...
Loading Chart...
Areas of Expertise:
Non-Destructive Inspection
Magnetic Sensor
Magnetoresistive Element
Tunnel Magnetoresistive Element
Electroluminescent Device
Surface-Emitting Unit
Optical Recording Head
Diffraction Grating Device
Optical Bidirectional Module
Polarization Conversion System
Optical Functional Device
Optical Switch
25 patents (USPTO):Explore Patents
1. 11652243 - Non-destructive inspection method (2023-05-16),
2. 11237227 - Magnetic sensor (2022-02-01),
3. 10892402 - Magnetoresistive element, and production method for magnetoresistive element (2021-01-12),
4. 10727402 - Method for producing tunnel magnetoresistive element (2020-07-28),
5. 10541382 - Electroluminescent device capable of preventing coloration of front reflected light (2020-01-21),
6. 10115932 - Method of designing electroluminescent device, electroluminescent device manufactured with the design method, and method of manufacturing electroluminescent device with the design method (2018-10-30),
7. 10094534 - Surface-emitting unit having dimming regions (2018-10-09),
8. 9893324 - Method of designing electroluminescent device, electroluminescent device manufactured with the design method, and method of manufacturing electroluminescent device with the design method (2018-02-13),
9. 9869808 - Planar light-emitting unit (2018-01-16),
10. 9806294 - Surface light emitting element (2017-10-31),
11. 8604504 - Organic light-emitting element (2013-12-10),
12. 8345515 - Deflection optical element, optical recording head and optical recording apparatus (2013-01-01),
13. 8274866 - Optical recording head and optical recording apparatus (2012-09-25),
14. 8134893 - Optical recording head and optical recording apparatus (2012-03-13),
15. 8072847 - Optical device, optically heat assisted magnetic recording head and optically heat assisted magnetic recording apparatus, having intensity point deviated from axis of the core (2011-12-06),

Title: **Koujirou Sekine: Innovator in Non-Destructive Inspection Technologies**

Introduction

Koujirou Sekine, based in Ibaraki, Japan, is a distinguished inventor who has made significant contributions to the field of non-destructive inspection technologies. With a remarkable portfolio of 25 patents, Sekine's work reflects a deep commitment to advancing engineering practices and ensuring the safety and reliability of inspected materials.

Latest Patents

Among Sekine's latest innovations is a pioneering non-destructive inspection method. This technique encompasses the use of various non-destructive inspection means, enabling effective evaluation of an inspection target. The method meticulously determines a marking position based on initial detection results, subsequently storing this data to form a detectable mark. The mark facilitates further inspections, enhancing the contrast and reliability of results obtained from multiple inspection methods.

Another significant patent involves a sophisticated magnetic sensor that features an array of magnetoresistive element units. Each unit comprises two opposing flat-surface-type magnetoresistive elements aligned along different detection axes. This innovative setup allows for enhanced measurement capabilities, providing vital data on the material being analyzed.

Career Highlights

Koujirou Sekine's professional journey includes significant roles at renowned companies such as Konica Minolta, Inc. and Konica Minolta Opto, Inc. His expertise in developing advanced technologies has not only augmented the capabilities of these organizations but also contributed to greater industrial standards in non-destructive inspections.

Collaborations

Throughout his career, Sekine has collaborated with esteemed colleagues, including Mitsuru Yokoyama and Takuji Hatano. Their joint efforts have likely fostered an environment of innovation and creativity, resulting in numerous advancements within the sectors they have contributed to.

Conclusion

Koujirou Sekine exemplifies the spirit of innovation, driving progress through his extensive patent portfolio and collaborative endeavors. His latest non-destructive inspection methods and magnetic sensor technologies highlight his dedication to enhancing inspection practices, paving the way for future advancements in engineering and safety.

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]
Loading…