Growing community of inventors

Hong Kong, China

Kai C Yau

Average Co-Inventor Count = 1.17

ph-index = 7

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 = 151

Kai C YauRobert K Kloppenburg, Jr (1 patent)Kai C YauJames U Neyer (1 patent)Kai C YauMartin W Wirt (1 patent)Kai C YauKai C Yau (8 patents)Robert K Kloppenburg, JrRobert K Kloppenburg, Jr (7 patents)James U NeyerJames U Neyer (5 patents)Martin W WirtMartin W Wirt (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rayovac Corporation (3 from 185 patents)

2. World Hint Limited (3 from 5 patents)

3. Practical Products Mfg. Ltd. (2 from 2 patents)


8 patents:

1. 5993022 - Multi-pivot flashlight

2. D411023 - Flashlight

3. D401372 - Flashlight body

4. D356175 - Flashlight

5. D349354 - Flashlight

6. D349355 - Flashlight

7. D336966 - Flashlight

8. D336965 - Flashlight

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idiyas.com
as of
12/16/2025
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