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For the Inventor, By the Inventor

Singapore, Singapore

Wista Laboratories Ltd.


USPTO Granted Patents = 59

% Expired Patents = 6.8



Forward Citations = 258

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46 inventors (with patents filed for the assignee):

goldMedal Claude Michel Wischik (48 out of 54 patents)

silverMedal John Mervyn David Storey (41 out of 43 patents)

bronzeMedal Charles Robert Harrington (29 out of 31 patents)

4.  James Peter Sinclair (29 out of 31 patents)

5.  Colin Marshall (26 out of 29 patents)

6.  Janet Elizabeth Rickard (24 out of 24 patents)

7.  David Horsley (23 out of 23 patents)

8.  Thomas Craven Baddeley (18 out of 19 patents)

9.  Scott Clunas (10 out of 10 patents)

10.  Damon Jude Wischik (8 out of 8 patents)

11.  Craig Williamson (7 out of 7 patents)

12.  Christopher Paul Larch (7 out of 7 patents)

13.  Björn Olaf Schelter (7 out of 9 patents)

14.  Michael Simpson (6 out of 6 patents)

15.  Karrar Ahmad Khan (6 out of 9 patents)


Core Competencies:
Diaminophenothiazines
Tau Inhibition
Neurodegenerative Disease
Methylthioninium Chloride
Protein Aggregation
Phenothiazine Compounds
Cognitive Impairment
Alzheimer's Treatment
Neurofibrillary Labels
Synthesis Methods
Thioninium Compounds
Xanthylium Salts

59 patents:

1. 12624096 - ANTI-TAU ANTIBODIES AND METHODS OF USE THEREOF (2026-05-12),
2. 12324810 - 3, 7-diamino-10H-phenothiazine salts and their use (2025-06-10),
3. 12310973 - Administration and dosage of diaminophenothiazines (2025-05-27),
4. 12280061 - Optimised dosage of diaminophenothiazines in populations (2025-04-21),
5. 12263175 - Optimised dosage of diaminophenothiazines in populations (2025-04-01),
6. 12128051 - Administration and dosage of diaminophenothiazines (2024-10-29),
7. 12064439 - Phenothiazine diaminium salts and their use (2024-08-20),
8. 11951110 - 3, 7-diamino-10H-phenothiazine salts and their use (2024-04-09),
9. 11878021 - Methods of synthesis and/or purification of diaminophenothiazinium compounds (2024-01-23),
10. 11759469 - Administration and dosage of diaminophenothiazines (2023-09-19),
11. 11344558 - 3, 7-diamino-10H-phenothiazine salts and their use (2022-05-31),
12. 11180464 - Phenothiazine diaminium salts and their use (2021-11-23),
13. 11116772 - Medical methods utilising high purity diaminophenothiazinium compounds (2021-09-14),
14. 11065256 - Administration and dosage of diaminophenothiazines (2021-07-20),
15. 11045477 - Methods of synthesis and/or purification of diaminophenothiazinium compounds (2021-06-29),
Wista Laboratories Ltd. is a Singapore-based company specializing in innovative treatments for neurodegenerative diseases. The organization focuses on developing therapies that target key mechanisms of cognitive impairment, particularly through the use of diaminophenothiazines and methylthioninium chloride. Their research emphasizes tau inhibition and the prevention of protein aggregation, aiming to advance treatment options for conditions such as Alzheimer's disease. Wista Laboratories is committed to enhancing the quality of life for individuals affected by neurodegenerative disorders.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

59 Patents

#51 in Singapore

#51 in Singapore

#12,219 in the World

Singapore, SG
Singapore, Singapore

Wista Laboratories Ltd.

Forward Citations = 258

46 inventors:

goldMedal Claude Michel Wischik (48 out of 54 patents)

silverMedal John Mervyn David Storey (41 out of 43 patents)

bronzeMedal Charles Robert Harrington (29 out of 31 patents)

4.  James Peter Sinclair (29 out of 31 patents)

5.  Colin Marshall (26 out of 29 patents)

Please report any incorrect information to [email protected]
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