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For the Inventor, By the Inventor

Pasadena, CA, United States of America

Calhoun Vision, Inc.


USPTO Granted Patents = 16

% Expired Patents = 12.5


Forward Citations = 750

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14 inventors (with patents filed for the assignee):

goldMedal Christian A Sandstedt (10 out of 25 patents)

silverMedal Shiao H Chang (8 out of 17 patents)

bronzeMedal Robert H Grubbs (6 out of 240 patents)

4.  Jagdish M Jethmalani (6 out of 38 patents)

5.  Ben C Platt (6 out of 6 patents)

6.  Julia A Kornfield (3 out of 46 patents)

7.  Axel Brait (2 out of 20 patents)

8.  James A Ebel (2 out of 2 patents)

9.  Patrick J Case (1 out of 2 patents)

10.  Okihiro Nishi (1 out of 4 patents)

11.  Kayo Nishi (1 out of 4 patents)

12.  Jerry Kaeni (1 out of 3 patents)

13.  Ken Chuang (1 out of 1 patent)

14.  Daniel M Schwartz (1 out of 38 patents)

15.  Patrick Case (0 patent)


16 patents:

1. 9119710 - Adjustable optical elements with enhanced ultraviolet protection (2015-09-01),
2. 9005282 - Intraocular lens system with injectable accommodation material (2015-04-14),
3. 8361353 - Method for making novel compositions capable of post fabrication modification (2013-01-29),
4. 7988285 - Light adjustable multifocal lenses (2011-08-02),
5. 7837326 - Lenses capable of post-fabrication power modification (2010-11-23),
6. 7560499 - Initiator and ultraviolet absorber blends for changing lens power by ultraviolet light (2009-07-14),
7. 7414714 - Light adjustable aberration conjugator (2008-08-19),
8. 7281795 - Light adjustable multifocal lenses (2007-10-16),
9. 7241009 - Crosslinking of silicones presence of functionalized silicones (2007-07-10),
10. 7134755 - Customized lenses (2006-11-14),
11. 7119894 - Light adjustable aberration conjugator (2006-10-10),
12. 7105110 - Delivery system for post-operative power adjustment of adjustable lens (2006-09-12),
13. 7074840 - Light adjustable lenses capable of post-fabrication power modification via multi-photon processes (2006-07-11),
14. 6917416 - Light adjustable aberration conjugator (2005-07-12),
15. 6905641 - Delivery system for post-operative power adjustment of adjustable lens (2005-06-14),
Company Overview
Calhoun Vision, Inc. is a pioneering company based in Pasadena, California, specializing in advanced medical technologies, particularly in the field of vision restoration. The organization focuses on developing innovative solutions for individuals with vision impairments, leveraging cutting-edge research in neurotechnology and biomedical engineering. By integrating sophisticated imaging and stimulation techniques, Calhoun Vision aims to enhance visual perception and improve the quality of life for patients, positioning itself at the forefront of ocular health advancements.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

16 Patents

#39 in Pasadena, CA

#4,770 in California

#19,922 in US

#37,831 in the World

Pasadena, CA (US)
Pasadena, CA, United States of America

Calhoun Vision, Inc.

Forward Citations = 750

14 inventors:

goldMedal Christian A Sandstedt (10 out of 25 patents)

silverMedal Shiao H Chang (8 out of 17 patents)

bronzeMedal Robert H Grubbs (6 out of 240 patents)

4.  Jagdish M Jethmalani (6 out of 38 patents)

5.  Ben C Platt (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Calhoun Vision, Inc.. Retrieved from https://idiyas.com/company/calhoun-vision

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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