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For the Inventor, By the Inventor

Lyndhurst, NJ, United States of America

Sika Corporation


USPTO Granted Patents = 25

% Expired Patents = 12.0



Trademarks = 37

Forward Citations = 1,786

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31 inventors (with patents filed for the assignee):

goldMedal Norman E Blank (10 out of 11 patents)

silverMedal Gerald Fitzgerald (7 out of 11 patents)

bronzeMedal Chin-Jui Chang (6 out of 7 patents)

4.  Gregory W Hopton (5 out of 5 patents)

5.  Randy Stratman (4 out of 9 patents)

6.  Cheong Kow (2 out of 4 patents)

7.  Paul Levandowski (2 out of 2 patents)

8.  Pero Ljubevski (2 out of 2 patents)

9.  Steve Roberts (2 out of 2 patents)

10.  John L Hanley, Iv (2 out of 2 patents)

11.  Roman C Boos (2 out of 2 patents)

12.  John L Hanley (2 out of 2 patents)

13.  Kaname Saitoh (1 out of 3 patents)

14.  Seiichi Koshisaka (1 out of 3 patents)

15.  Hong Yao (1 out of 8 patents)


Core Competencies:
Cement Dispersant
Concrete Composition
Acoustic Baffle
Reinforcing Member
Sound Deadening
Thermally Expansible
Expandable Sealant
Structural Reinforcement
Polyurethane Adhesives
Impact Reinforcement
Drain Assembly
Baffle System

25 patents:

1. 7393886 - Cement dispersant and concrete composition containing the dispersant (2008-07-01),
2. 7010885 - Orifice sealing physical barrier (2006-03-14),
3. 6649243 - Baffle and reinforcement assembly (2003-11-18),
4. 6562878 - Acoustic baffle with predetermined directional expansion characteristics (2003-05-13),
5. 6523857 - Reinforcing member for interfitting channels (2003-02-25),
6. 6519854 - Side impact reinforcement (2003-02-18),
7. 6511752 - Water-based primer for promoting adhesion of polyurethane-based sealants and adhesives (2003-01-28),
8. 6494525 - Side impact reinforcement (2002-12-17),
9. 6475577 - Reinforcing member with intersecting support legs (2002-11-05),
10. 6455146 - Expansible synthetic resin baffle with magnetic attachment (2002-09-24),
11. 6413611 - Baffle and reinforcement assembly (2002-07-02),
12. 6387470 - Sound deadening and structural reinforcement compositions and methods of using the same (2002-05-14),
13. 6382635 - Double walled baffle (2002-05-07),
14. 6368438 - Sound deadening and structural reinforcement compositions and methods of using the same (2002-04-09),
15. 6319964 - Acoustic baffle with predetermined directional expansion characteristics (2001-11-20),
Company Overview
Sika Corporation, based in Lyndhurst, NJ, specializes in the development and manufacturing of construction and industrial materials. The company focuses on providing innovative solutions for bonding, sealing, damping, reinforcing, and protecting structures. Sika's expertise spans various sectors, including construction, automotive, and industrial applications, emphasizing sustainability and performance. With a commitment to research and development, Sika continually enhances its product offerings to meet the evolving needs of its global clientele.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

Sika Corporation USPTO Patent Assignee Logo
25 Patents

#2 in Lyndhurst, NJ

#518 in New Jersey

#13,350 in US

#25,681 in the World

Lyndhurst, NJ (US)
Lyndhurst, NJ, United States of America

Sika Corporation

Forward Citations = 1,786

31 inventors:

goldMedal Norman E Blank (10 out of 11 patents)

silverMedal Gerald Fitzgerald (7 out of 11 patents)

bronzeMedal Chin-Jui Chang (6 out of 7 patents)

4.  Gregory W Hopton (5 out of 5 patents)

5.  Randy Stratman (4 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sika Corporation. Retrieved from https://idiyas.com/company/sika

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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