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Torrance, CA, United States of America

Younger Mfg. Co.

Calculating rank

USPTO Granted Patents = 16

% Expired Patents = 12.5

Trademarks = 9

Forward Citations = 186

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16 inventors (with patents filed for the assignee):

Nancy L S Yamasaki (9 out of 12 patents)

Thomas A Balch (9 out of 12 patents)

David Mark Ambler (6 out of 9 patents)

4. Russell E Evans (6 out of 8 patents)

5. Edward A Beeloo (4 out of 5 patents)

6. Jotinderpal S Sidhu (3 out of 3 patents)

7. Lingbing Lynn Zhao (2 out of 2 patents)

8. Andrew John McKenzie (2 out of 4 patents)

9. Adam Ahmad Barzak (2 out of 2 patents)

10. Ahmad A Barzak (2 out of 2 patents)

11. Kevin Michael Niemi (1 out of 1 patent)

12. Robert A Breton (1 out of 1 patent)

13. Igor Loshak (1 out of 1 patent)

14. John Michael Tamkin (1 out of 12 patents)

15. Gregory Alan Rook (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 10934480 - Optical articles comprising photochromic poly(urea-urethane) (2021-03-02),

2. 10175508 - Photochromic optical lens with selective blue light attenuation (2019-01-08),

3. 9733488 - Composite constructed optical lens (2017-08-15),

4. 8651660 - Tinted polycarbonate ophthalmic lens product and method of manufacture (2014-02-18),

5. 7688431 - Dispersion demonstrator for eyewear lenses (2010-03-30),

6. 7582235 - Method of manufacturing optical-quality polarized part incorporating high-impact polyurethane-based material (2009-09-01),

7. 7326373 - Method for forming a wafer for use in an optical part (2008-02-05),

8. 7238307 - Method for pre-conditioning inserts for injection molding (2007-07-03),

9. 7138187 - Polyvinyl alcohol-based film exhibiting improved adhesion (2006-11-21),

10. 6926405 - Eyewear lens having selective spectral response (2005-08-09),

11. 6759090 - Method for improved adhesion of an optical coating to a polarizing film (2004-07-06),

12. 6585373 - Ophthalmic lenses utilizing polyethylene terephthalate polarizing films (2003-07-01),

13. 6432327 - Formed polyethylene terephthalate polarizing film for incorporation in optical-grade plastic parts (2002-08-13),

14. 6413641 - Treated polyethylene terephthalate polarizing films for improved adhesion in optical plastics (2002-07-02),

15. 6391231 - Method for side-fill lens casting (2002-05-21),

Company Overview

Younger Mfg. Co., based in Torrance, California, specializes in the design and manufacture of high-quality precision components and assemblies for various industries. The company is recognized for its expertise in advanced manufacturing processes, including machining and fabrication, serving sectors such as aerospace, automotive, and medical devices. With a commitment to innovation and quality, Younger Mfg. Co. leverages cutting-edge technology to deliver tailored solutions that meet the evolving needs of its diverse clientele.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

16 Patents

#38 in Torrance, CA

#4,778 in California

#19,944 in US

#37,887 in the World

Torrance, CA, United States of America

Younger Mfg. Co.

Forward Citations = 186

16 inventors:

Nancy L S Yamasaki (9 out of 12 patents)

Thomas A Balch (9 out of 12 patents)

David Mark Ambler (6 out of 9 patents)

4. Russell E Evans (6 out of 8 patents)

5. Edward A Beeloo (4 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Younger Mfg. Co.. Retrieved from https://idiyas.com/company/younger-mfg-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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