logo

For the Inventor, By the Inventor

Hitachiota, Japan

Sukekazu Aratani

This inventor holds 84 USPTO granted patents and 2 published patent applications and 3 EPO patents, primarily in Organic Light-Emitting Devices (CPC class G02F1-1343). Top assignees: Hitachi, Ltd., Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.. Active years: 1993-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sukekazu Aratani. Retrieved from https://idiyas.com/inventor/sukekazu-aratani

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

Calculating rank
USPTO Granted Patents = 84 

% Patents Active = 50.0

 

Average Co-Inventor Count = 4.6

ph-index = 17

Forward Citations = 1,366(Granted Patents)

Forward Citations (Not Self Cited) = 1,323(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hitachioota, JP (2000 - 2007)
  • Hitachiohta, JP (2002 - 2013)
  • Hitachi, JP (1993 - 2014)
  • Ibaraki-ken, JP (2014)
  • Hitachiota, JP (2002 - 2018)
  • Tokyo, JP (2010 - 2021)

Company Filing History:

goldMedal67 out of 42,743 
 
Hitachi, Ltd.
 patents
silverMedal15 out of 1,207 
 
Hitachi Displays, Ltd.
 patents
bronzeMedal9 out of 1,238 
 
Panasonic Liquid Crystal Display Co., Ltd.
 patents
4. 2 out of 5,803 
 
Japan Display Inc.
 patents
5. 1 out of 1,641 
 
Hitachi Chemical Company, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1993-2021

Loading Chart...
Loading Chart...
Areas of Expertise:
Organic Light-Emitting Device
Luminescent Materials
Coating Solution
Liquid Crystal Display
Electroluminescent Display
Image Display
Display Device
Light Source Device
Manufacturing Method
Organic Electroluminescent
Active Matrix Display
Illumination Apparatus
84 patents (USPTO):Explore Patents
1. 10989700 - Temperature history indicator (2021-04-27),
2. 9954193 - Material for forming organic light-emitting layer, coating liquid for forming organic light-emitting element, organic light-emitting element and light source device, and method for manufacturing same (2018-04-24),
3. 9935291 - Organic light-emitting device, light source device using same, organic light-emitting layer material, coating liquid for forming organic light-emitting layer, and method for producing organic light-emitting device (2018-04-03),
4. 9570717 - Organic luminescent materials, coating solution using same for organic (2017-02-14),
5. 9496516 - Organic light-emitting element, light source device and method of manufacturing organic light-emitting element (2016-11-15),
6. 9306177 - Organic light-emitting layer material, coating liquid for use in forming organic light-emitting layer with organic material, organic light-emitting device produced with coating liquid, light source apparatus with organic light-emitting device, and methods for manufacture thereof (2016-04-05),
7. 9281489 - Organic luminescent materials, coating solution using organic luminescent materials for organic emitting layer, organic light emitting device using coating solution, light source device using organic light emitting device and method of organic light emitting device (2016-03-08),
8. 9118031 - Organic light-emitting device, coating liquid for forming organic light-emitting device, material for forming organic light-emitting device, light source device using organic light-emitting device, and organic light-emitting device producing method (2015-08-25),
9. 9105856 - Organic luminescent materials, coating solution using same for organic (2015-08-11),
10. 8730443 - Liquid crystal display device (2014-05-20),
11. 8729536 - Organic luminescent materials, coating solution using same for organic emitting layer, organic light emitting device using coating solution and light source device using organic light emitting device (2014-05-20),
12. 8704988 - In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions (2014-04-22),
13. 8552930 - Liquid crystal display apparatus (2013-10-08),
14. 8536611 - Organic light-emitting element, method for manufacturing the organic light-emitting element, apparatus for manufacturing the organic light-emitting element, and organic light-emitting device using the organic light-emitting element (2013-09-17),
15. 8476618 - Organic electroluminescent display device (2013-07-02),

Title: The Innovative Journey of Sukekazu Aratani

Introduction:

Sukekazu Aratani, a pioneering inventor hailing from Hitachiota, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents:

Aratani's latest patents showcase his expertise in developing cutting-edge solutions in the fields of electronics and engineering, solidifying his position as a leading figure in the industry.

Career Highlights:

Throughout his illustrious career, Aratani has consistently pushed the boundaries of what is possible, with a keen focus on creating inventions that have the potential to revolutionize the way we live and work. His dedication to innovation has earned him widespread recognition and respect within the inventor community.

Collaborations:

Aratani has collaborated with top research institutions, universities, and leading companies to bring his ideas to life. His ability to work effectively in multidisciplinary teams has led to the successful development and implementation of numerous groundbreaking technologies.

Conclusion:

In conclusion, Sukekazu Aratani's relentless pursuit of innovation and his passion for creating transformative inventions have established him as a trailblazer in the world of technology. His contributions continue to inspire future generations of inventors to think boldly and 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]
Loading…