% Expired Patents = 25.0

EPO Patents = 1

Forward Citations = 40

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5 inventors (with patents filed for the assignee):

Yoshiie Matsumoto (8 out of 10 patents)

Tadatomo Suga (3 out of 7 patents)

Ryuichi Kondou (2 out of 7 patents)

4. Tadatomo Suga (2 out of 26 patents)

5. Akira Yamauchi (2 out of 46 patents)

8 patents: Sort by Forward Citations

1. 10166749 - Bonding-substrate fabrication method, bonding substrate, substrate bonding method, bonding-substrate fabrication apparatus, and substrate assembly (2019-01-01),

2. 10043975 - Thin substrate, method for manufacturing same, and method for transporting substrate (2018-08-07),

3. 9962908 - Method for bonding polymer film and polymer film, method for bonding polymer film and inorganic material substrate, polymer film laminate, and laminate of polymer film and inorganic material substrate (2018-05-08),

4. 9601350 - Bonding-substrate fabrication method, bonding substrate, substrate bonding method, bonding-substrate fabrication apparatus, and substrate assembly (2017-03-21),

5. 9331305 - Electronic element sealing method and bonded substrate (2016-05-03),

6. 7110080 - Device for connecting display panel substrates comprising a spacer having a plurality of spacer elements or a rotatable head section for controlling cell gap (2006-09-19),

7. 6801269 - Method and device for connecting display panel substrates (2004-10-05),

8. 6445436 - Device for sealing a liquid crystal injection hole of a liquid crystal cell (2002-09-03),

Company Overview

Lan Technical Service Co., Ltd. is a leading provider of technical services for various industries. With a highly skilled team of engineers and technicians, we offer a wide range of services including maintenance, repair, and installation of industrial equipment. Our commitment to excellence and customer satisfaction sets us apart in the industry. Visit our website for more information on how we can meet your technical service needs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#2,151 in Tokyo

#5,049 in Japan

Tokyo, Japan

Lan Technical Service Co., Ltd.

Forward Citations = 40

5 inventors:

Yoshiie Matsumoto (8 out of 10 patents)

Tadatomo Suga (3 out of 7 patents)

Ryuichi Kondou (2 out of 7 patents)

4. Tadatomo Suga (2 out of 26 patents)

5. Akira Yamauchi (2 out of 46 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lan Technical Service Co., Ltd.. Retrieved from https://idiyas.com/company/lan-technical-service-company

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

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]

1 patent (EPO):

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]