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Trademarks = 2

Forward Citations = 48

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8 inventors (with patents filed for the assignee):

Sean Chen (5 out of 7 patents)

Hsin-Chin Chen (2 out of 3 patents)

Hei-Tai Hong (1 out of 4 patents)

4. Yueh-Hong Shih (1 out of 3 patents)

5. Chi-Jung Chen (1 out of 1 patent)

6. Gang-Liang Wey (1 out of 1 patent)

7. Ting-Feng Wu (1 out of 6 patents)

8. Jun-Hong Lin (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 9942530 - Projection system and light screen generating device thereof (2018-04-10),

2. 7458696 - Adjusting structure of a laser indicator of a sawing machine (2008-12-02),

3. 7422344 - Full color flashlight with high power LED (2008-09-09),

4. 7161969 - Laser marking mechanism (2007-01-09),

5. 6921235 - Laser centering mechanism of a drilling machine (2005-07-26),

6. D494075 - Laser picture hanger (2004-08-11),

7. 6763598 - Laser level with lens switching mechanism (2004-07-20),

8. 6066023 - Yo-yo with laser emission means (2000-05-23),

Sean & Stephen Corporation is a trusted provider of innovative business solutions. With a focus on customer satisfaction and quality service, we help companies streamline their operations and enhance their overall efficiency. Our team of experienced professionals is dedicated to delivering tailored solutions that meet the unique needs of each client. Contact us today to learn how we can help your business thrive.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

8 Patents

#549 in Taipei

#1,630 in Taiwan

Taipei, Taiwan

Sean & Stephen Corporation