Growing community of inventors

Revere, MA, United States of America

Charles E O'Brien

Average Co-Inventor Count = 2.70

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 = 52

Charles E O'BrienStuart Michael Davis (4 patents)Charles E O'BrienJonathan Boulton (4 patents)Charles E O'BrienGeorge M Cintra (2 patents)Charles E O'BrienLeslie J Pinnell (2 patents)Charles E O'BrienThomas C Richards (2 patents)Charles E O'BrienYali Tang (1 patent)Charles E O'BrienCharles E O'Brien (5 patents)Stuart Michael DavisStuart Michael Davis (37 patents)Jonathan BoultonJonathan Boulton (9 patents)George M CintraGeorge M Cintra (24 patents)Leslie J PinnellLeslie J Pinnell (16 patents)Thomas C RichardsThomas C Richards (15 patents)Yali TangYali Tang (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Gillette Company (3 from 2,654 patents)

2. Other (1 from 832,680 patents)

3. The Procter Gamble Company (1 from 17,164 patents)


5 patents:

1. 7820329 - Wafer alkaline cell

2. 7776468 - Wafer alkaline cell

3. 7531271 - Wafer alkaline cell

4. 7413828 - Wafer alkaline cell

5. 4890693 - Knock-down support stand and kit for assembly thereof

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as of
12/6/2025
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