Growing community of inventors

Palo Alto, CA, United States of America

Robert Tienhan Chang

Average Co-Inventor Count = 4.11

ph-index = 7

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 495

Robert Tienhan ChangDavid Myung (5 patents)Robert Tienhan ChangAlexandre Jais (5 patents)Robert Tienhan ChangMark S Blumenkranz (3 patents)Robert Tienhan ChangGeorge H Chu (3 patents)Robert Tienhan ChangRosa Armstrong (3 patents)Robert Tienhan ChangIra G Wong (3 patents)Robert Tienhan ChangHuynh P Van (3 patents)Robert Tienhan ChangAlex Nugent (3 patents)Robert Tienhan ChangLingmin He (3 patents)Robert Tienhan ChangRonald A Hitzeman (2 patents)Robert Tienhan ChangDavid R Olsen (2 patents)Robert Tienhan ChangHugh McMullin (2 patents)Robert Tienhan ChangGeorge Chisholm (2 patents)Robert Tienhan ChangRobert Warren (1 patent)Robert Tienhan ChangPaolo De Marino (1 patent)Robert Tienhan ChangManishi A Desai (1 patent)Robert Tienhan ChangBo Hu (1 patent)Robert Tienhan ChangChaoyi Du (1 patent)Robert Tienhan ChangHope Lewis (1 patent)Robert Tienhan ChangXuannan Wang (1 patent)Robert Tienhan ChangJeremy Gao (1 patent)Robert Tienhan ChangRobert Tienhan Chang (12 patents)David MyungDavid Myung (30 patents)Alexandre JaisAlexandre Jais (5 patents)Mark S BlumenkranzMark S Blumenkranz (64 patents)George H ChuGeorge H Chu (43 patents)Rosa ArmstrongRosa Armstrong (15 patents)Ira G WongIra G Wong (4 patents)Huynh P VanHuynh P Van (3 patents)Alex NugentAlex Nugent (3 patents)Lingmin HeLingmin He (3 patents)Ronald A HitzemanRonald A Hitzeman (13 patents)David R OlsenDavid R Olsen (10 patents)Hugh McMullinHugh McMullin (2 patents)George ChisholmGeorge Chisholm (2 patents)Robert WarrenRobert Warren (3 patents)Paolo De MarinoPaolo De Marino (1 patent)Manishi A DesaiManishi A Desai (1 patent)Bo HuBo Hu (1 patent)Chaoyi DuChaoyi Du (1 patent)Hope LewisHope Lewis (1 patent)Xuannan WangXuannan Wang (1 patent)Jeremy GaoJeremy Gao (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Leland Stanford Junior University (5 from 5,303 patents)

2. Other (3 from 832,680 patents)

3. Collagen Corporation (3 from 95 patents)

4. More Health, Inc. (1 from 1 patent)


12 patents:

1. 11484201 - Modular adapters for mobile ophthalmoscopy

2. 10743761 - Modular lens adapters for mobile anterior and posterior segment ophthalmoscopy

3. 10561315 - Modular adapters for mobile ophthalmoscopy

4. 10494157 - Single use vials for administering eye drops

5. 10092182 - Modular lens adapters for mobile anterior and posterior segment ophthalmoscopy

6. 9706918 - Modular lens adapters for mobile anterior and posterior segment ophthalmoscopy

7. 9667696 - Low latency web-based DICOM viewer system

8. 6428978 - Methods for the production of gelatin and full-length triple helical collagen in recombinant cells

9. 6413742 - Recombinant gelatin and full-length triple helical collagen

10. 5258029 - Method for improving implant fixation

11. 5207710 - Method for improving implant fixation

12. 5108436 - Implant fixation

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as of
12/8/2025
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