% Expired Patents = 100.0

Forward Citations = 40

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5 inventors (with patents filed for the assignee):

Chieh-Hsiung Kuan (4 out of 10 patents)

Chiu-Chang Huang (4 out of 4 patents)

Vin-Cent Su (4 out of 4 patents)

4. Chih-Yu Chao (3 out of 14 patents)

5. Chin-Yu Chao (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 9164316 - Color regulating device for illumination and apparatus using the same, and method of regulating color (2015-10-20),

2. 9134570 - Color regulating device for illumination and apparatus using the same, and method of regulating color (2015-09-15),

3. 8698980 - Color regulating device for illumination and apparatus using the same, and method of regulating color (2014-04-15),

4. 8687147 - Color regulating device for illumination and apparatus using the same, and method of regulating color (2014-04-01),

Planck Co., Ltd. is a leading technology company specializing in the development of innovative software solutions for businesses. With a focus on data analytics and artificial intelligence, Planck Co. helps companies optimize their operations and make data-driven decisions. From predictive analytics to machine learning, Planck Co. offers cutting-edge solutions to drive business growth and efficiency.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

4 Patents

#923 in Taipei

#2,733 in Taiwan

Taipei, Taiwan

Planck Co., Ltd.