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For the Inventor, By the Inventor

Matsumoto, Japan

Satoshi Hasegawa

This inventor holds 11 USPTO granted patents. Top assignees: Seiko Epson Corporation, 138 East Lcd Advancements Limited. Active years: 2005-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoshi Hasegawa. Retrieved from https://idiyas.com/inventor/satoshi-hasegawa-gnit0w6q

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

Calculating rank
USPTO Granted Patents = 11

% Patents Active = 90.9

Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 15(Granted Patents)


Company Filing History:

goldMedal8 out of 34,305 
 
Seiko Epson Corporation
 patents
silverMedal3 out of 14 
 
138 East Lcd Advancements Limited
 patents

Years Active: 2005-2025

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11 patents (USPTO):Explore Patents
1. 12455477 - Display device having seal member without a plug extending around a periphery of a pixel region (2025-10-28),
2. 10754204 - Display device having a seal member uninterruptedly extending around a pixel region (2020-08-25),
3. 10564483 - Display device having seal member being directly connected to junction portions (2020-02-18),
4. 9952469 - Display device having seal member being directly connected to junction portions (2018-04-24),
5. 9625765 - Method of manufacturing a liquid crystal display device having continuous rectangular close-shape seal members (2017-04-18),
6. 9599861 - Method of manufacturing a liquid crystal display device having rectangular close-shape seal members (2017-03-21),
7. 9557608 - Method of manufacturing a liquid crystal display device having rectangular close-shape seal members (2017-01-31),
8. 9557606 - Liquid crystal display device having rectangular close-shape seal members (2017-01-31),
9. 9459498 - Liquid crystal display device having first seal member and second seal member being directly connected to junction portions (2016-10-04),
10. 7679708 - Ring-shaped seal for LCD and method formed of first and second different material sealing members with respective first and second connecting portions each having respective first and second abutting parts that are continuous with the sealing members (2010-03-16),
11. 6850311 - Method of manufacturing electro-optical device by flexography for reduced moire (2005-02-01),

Title: Satoshi Hasegawa: Innovator in Liquid Crystal Technology

Introduction

Satoshi Hasegawa is a prominent inventor based in Matsumoto, Japan. He has made significant contributions to the field of liquid crystal devices, holding a total of 11 patents. His innovative work has advanced the technology used in display devices, particularly in the manufacturing processes of liquid crystal displays.

Latest Patents

Hasegawa's latest patents include a display device featuring a seal member without a plug extending around the periphery of a pixel region. This patent describes a method of manufacturing a liquid crystal device that involves a first substrate and a second substrate facing each other, with a liquid crystal layer interposed between them. The sealing member is formed in the peripheral portion of at least one of the substrates. The method includes forming the sealing member, disposing the liquid crystal layer inside it, and bonding the first substrate to the second substrate. A ring-shaped portion seals the liquid crystal layer, and both a first and second sealing layer are created to face each other. The bonding process results in a junction portion where the sealing layers are pressed and joined outside the sealing member.

Another notable patent is for a display device that has a seal member uninterruptedly extending around a pixel region. This patent also outlines a similar method of manufacturing a liquid crystal device, emphasizing the importance of the sealing member in ensuring the integrity of the liquid crystal layer.

Career Highlights

Throughout his career, Hasegawa has worked with notable companies, including Seiko Epson Corporation and 138 East LCD Advancements Limited. His experience in these organizations has allowed him to refine his skills and contribute to advancements in display technology.

Collaborations

Hasegawa has collaborated with esteemed colleagues such as Yoichi Momose and Yoshifumi Kobayashi. Their combined expertise has fostered innovation in the field of liquid crystal technology.

Conclusion

Satoshi Hasegawa's contributions to liquid crystal technology through his patents and collaborations have significantly impacted the industry. His innovative methods continue to shape the future of display devices, showcasing the importance of his work in this field.

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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