Growing community of inventors

Centennial, CO, United States of America

Mark Holtan

Average Co-Inventor Count = 2.67

ph-index = 4

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 34

Mark HoltanBrent Christopher (8 patents)Mark HoltanAnthony Kriz (8 patents)Mark HoltanYaoKun Gui (5 patents)Mark HoltanDa Nian Yang (1 patent)Mark HoltanMark Holtan (10 patents)Brent ChristopherBrent Christopher (67 patents)Anthony KrizAnthony Kriz (10 patents)YaoKun GuiYaoKun Gui (6 patents)Da Nian YangDa Nian Yang (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Meridian International Co., Ltd. (10 from 65 patents)


10 patents:

1. 8794110 - Rotary ratchet wrench

2. 8517173 - Case for holding a hand tool

3. D668139 - Packaging for a hand tool

4. D657215 - Rotary ratchet wrench

5. D657216 - Rotary ratchet wrench

6. 8079469 - Case for holding a hand tool

7. 8069753 - Rotary ratchet wrench

8. D645733 - Hand tool packaging

9. D640518 - Rotary ratchet wrench

10. D632535 - Rotary ratchet wrench

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as of
1/16/2026
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