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For the Inventor, By the Inventor

Kanagawa, Japan

Sika Hamatite Co., Ltd.

Calculating rank
USPTO Granted Patents = 9


Trademarks = 2

Forward Citations = 0

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6 inventors (with patents filed for the assignee):

goldMedal Yuichi Matsuki (7 out of 21 patents)

silverMedal Megumi Abe (7 out of 21 patents)

bronzeMedal Tsubasa Ito (1 out of 2 patents)

4.  Takeaki Saiki (1 out of 12 patents)

5.  Kazunori Ishikawa (1 out of 47 patents)

6.  Kiminori Araki (1 out of 18 patents)

7.  Misaki Matsumura (7 patents)

8.  Abe Megumi (0 patent)

9.  Matsuki Yuichi (0 patent)

10.  Tomohiro Kawasaki (0 patent)


9 patents:

1. 11667823 - Urethane adhesive composition (2023-06-06),
2. 11560501 - Urethane adhesive composition (2023-01-24),
3. 11554554 - Method for producing multilayer member (2023-01-17),
4. 11504960 - Method for producing laminate (2022-11-22),
5. 11479700 - Urethane adhesive composition (2022-10-25),
6. 11414577 - Two-part curable urethane adhesive composition (2022-08-16),
7. 11254114 - Method for manufacturing multilayer member (2022-02-22),
8. 11248079 - Photocurable resin, mixture, and photocurable resin composition (2022-02-15),
9. 11230642 - One-part moisture-curable urethane composition (2022-01-25),
Company Overview
Sika Hamatite Co., Ltd. is a leading manufacturer of specialized adhesives and sealants for a variety of industries. With a focus on innovation and quality, our products are trusted by customers around the world for their reliability and performance. Our extensive range of adhesives and sealants are designed to meet the unique needs of each customer, offering solutions for bonding, sealing, and insulation applications. Visit our website to learn more about our products and services.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

9 Patents

#168 in Kanagawa

#4,707 in Japan

Kanagawa, JP
Kanagawa, Japan

Sika Hamatite Co., Ltd.

Forward Citations = 0

6 inventors:

goldMedal Yuichi Matsuki (7 out of 21 patents)

silverMedal Megumi Abe (7 out of 21 patents)

bronzeMedal Tsubasa Ito (1 out of 2 patents)

4.  Takeaki Saiki (1 out of 12 patents)

5.  Kazunori Ishikawa (1 out of 47 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sika Hamatite Co., Ltd.. Retrieved from https://idiyas.com/company/sika-hamatite-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]
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