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For the Inventor, By the Inventor

Yamagata, Japan

Isamu Ohshita

This inventor holds 16 USPTO granted patents and 2 published patent applications and 2 EPO patents, primarily in Organic Electroluminescent Displays. Top assignees: Tohoku Pioneer Corporation, Pioneer Corporation, Pioneer Electronic Corporation. Active years: 2004-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isamu Ohshita. Retrieved from https://idiyas.com/inventor/isamu-ohshita

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

Calculating rank
USPTO Granted Patents = 16 

% Patents Active = 56.3

 

Average Co-Inventor Count = 2.5

ph-index = 3

Forward Citations = 30(Granted Patents)


Location History:

  • Yamagata, JP (2004 - 2008)
  • Yamagata-ken, JP (2005 - 2010)
  • Tokyo, JP (2019 - 2023)

Company Filing History:

goldMedal9 out of 294 
 
Tohoku Pioneer Corporation
 patents
silverMedal5 out of 2,680 
 
Pioneer Corporation
 patents
bronzeMedal2 out of 2,861 
 
Pioneer Electronic Corporation
 patents
4. 2 out of 27 
 
Tohoku Pioneer Electronic Corporation
 patents
where one patent can have more than one assignee

Years Active: 2004-2023

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Areas of Expertise:
Light-Emitting Device
Organic Electroluminescent Display
Display Panel
Optical Filters
Film Formation Mask
Aging Method
Panel Substrate
Manufacturing Method
Strengthened Electrodes
Organic EL Panel
Electronic Equipment
16 patents (USPTO):Explore Patents
1. 11754762 - Light-emitting device (2023-09-12),
2. 11267392 - Light-emitting system (2022-03-08),
3. 10928567 - Light-emitting device (2021-02-23),
4. 10686151 - Light-emitting device with see-through property using optical filters (2020-06-16),
5. 10454053 - Light-emitting device with a first and a second optical filter (2019-10-22),
6. 7745987 - Organic electroluminescent display device (2010-06-29),
7. 7439671 - Organic electroluminescent panel (2008-10-21),
8. 7416463 - Panel substrate, display panel, organic EL panel, and method of manufacturing the same (2008-08-26),
9. 7285906 - Film formation mask, organic EL panel, and method of manufacturing the organic EL panel (2007-10-23),
10. 7264843 - Organic electroluminescent panel and producing method of the same (2007-09-04),
11. 7247982 - Organic EL display device and method for manufacturing the same (2007-07-24),
12. 7187120 - Organic electroluminescent display panel and method of manufacturing the same (2007-03-06),
13. 7088317 - Method for aging display apparatus and electronic equipment using the method (2006-08-08),
14. 6948994 - Masks for forming strengthened electrodes of a light emission display panel (2005-09-27),
15. 6921309 - Method for manufacturing a light emission display panel (2005-07-26),

Title: The Innovative Contributions of Isamu Ohshita

Introduction

Isamu Ohshita is a prominent inventor based in Yamagata-ken, Japan. He has made significant contributions to the field of light-emitting devices, holding a total of 16 patents. His work has advanced the technology used in various applications, particularly in mobile objects and lighting systems.

Latest Patents

Ohshita's latest patents include a light-emitting device that features a plurality of light-emitting units on a substrate. These units are separated from each other and consist of a light-transmitting first electrode, an organic layer, and a light-reflective second electrode. The design allows for a light-transmitting region that enhances the device's functionality. Another notable patent is for a light-emitting system that partitions a space occupied by a person from the outside, such as the interior of a vehicle. This system also utilizes a substrate with optical transparency and includes multiple light-emitting units and an insulating layer.

Career Highlights

Throughout his career, Isamu Ohshita has worked with notable companies, including Tohoku Pioneer Corporation and Pioneer Corporation. His experience in these organizations has contributed to his expertise in developing innovative light-emitting technologies.

Collaborations

Ohshita has collaborated with talented individuals in his field, including Teruichi Watanabe and Hiroki Tan. These partnerships have likely fostered a creative environment that has led to the development of his groundbreaking inventions.

Conclusion

Isamu Ohshita's contributions to the field of light-emitting devices demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving the functionality and efficiency of lighting systems, making a lasting impact in the industry.

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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