Ching-Te Chang

This inventor holds 10 USPTO granted patents and 1 published patent application. Top assignee: Industrial Technology Research Institute. Active years: 1981-1998.

USPTO Granted Patents = 10 (Patent Applications = 1)

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 3

Forward Citations = 31(Granted Patents)

Company Filing History:

10 out of 9,301

Industrial Technology Research Institute

patents

Years Active: 1981-1998

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5753692 - Medicinal thiophene compounds (1998-05-19),

2. 5747525 - Medicinal thiophene compounds (1998-05-05),

3. 5608081 - Hydroxymethylpolythiophene derivatives (1997-03-04),

4. 5602170 - Medicinal thiophene compounds (1997-02-11),

5. 5596107 - Hydroxymethypolythiophene derivatives (1997-01-21),

6. 5596014 - Hydroxymethyl-polythiophene derivatives (1997-01-21),

7. 5508440 - Hydroxymethylpolythiophene derivatives (1996-04-16),

8. 4508654 - Preparation of bis-carboxy ethyl germanium sesquioxide and its propionic (1985-04-02),

9. 4420430 - Method for preparing organo germanium propionic acid derivatives (1983-12-13),

10. 4298603 - O-Aminoalkylsalicylates (1981-11-03),

Profile summary based on public USPTO records.

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1 patent pending:

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1 patent pending (EPO):

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