For the Inventor, By the Inventor

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Hsinchu, Taiwan

Orgchem Technologies, Inc.

USPTO Granted Patents = 3

% Expired Patents = 100.0

Forward Citations = 0

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11 inventors (with patents filed for the assignee):

Chin Kang Sha (2 out of 2 patents)

Cheng Fen Yang (2 out of 2 patents)

Ching-Jung Chang (1 out of 24 patents)

4. Chin-Kang Sha (1 out of 1 patent)

5. Cheng-Fen Yang (1 out of 1 patent)

6. Hsin-Jen Lee (1 out of 1 patent)

7. Ping Chang Cheng (1 out of 1 patent)

8. Ching Jung Chang (1 out of 1 patent)

9. An Wei Hong (1 out of 1 patent)

10. Hsin Jen Lee (1 out of 1 patent)

11. Kuang Fu Yen (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 8759534 - Trimethine cyanine and its use (2014-06-24),

2. 8222401 - Metallocenyl phthalocyanine compounds and use thereof (2012-07-17),

3. 8168282 - Trimethine cyanine compounds, their preparation and their use (2012-05-01),

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USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#454 in Hsinchu

#3,303 in Taiwan

Hsinchu, Taiwan

Orgchem Technologies, Inc.

Forward Citations = 0

11 inventors:

Chin Kang Sha (2 out of 2 patents)

Cheng Fen Yang (2 out of 2 patents)

Ching-Jung Chang (1 out of 24 patents)

4. Chin-Kang Sha (1 out of 1 patent)

5. Cheng-Fen Yang (1 out of 1 patent)

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