Growing community of inventors

Cincinnati, OH, United States of America

Christopher Irwin

Average Co-Inventor Count = 3.40

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 = 371

Christopher IrwinPaul Robert Tanner (5 patents)Christopher IrwinMargaret Ann O'Donoghue (3 patents)Christopher IrwinKarl Shiqing Wei (1 patent)Christopher IrwinMark Richard Sine (1 patent)Christopher IrwinPeter William Beerse (1 patent)Christopher IrwinJeffrey Michael Morgan (1 patent)Christopher IrwinTimothy John Fowler (1 patent)Christopher IrwinCheyne Pohlman Thomas (1 patent)Christopher IrwinKimberly Ann Biedermann (1 patent)Christopher IrwinChristopher Dean Putman (1 patent)Christopher IrwinJulie Ann Wagner (1 patent)Christopher IrwinRobert Bao Ha (1 patent)Christopher IrwinDavid Edmund Tarantino (1 patent)Christopher IrwinPeter James Hargraves (1 patent)Christopher IrwinPatricia Ritenour Hertz (1 patent)Christopher IrwinJulie Elizabeth Wilson (1 patent)Christopher IrwinChristopher Irwin (7 patents)Paul Robert TannerPaul Robert Tanner (38 patents)Margaret Ann O'DonoghueMargaret Ann O'Donoghue (4 patents)Karl Shiqing WeiKarl Shiqing Wei (61 patents)Mark Richard SineMark Richard Sine (27 patents)Peter William BeersePeter William Beerse (23 patents)Jeffrey Michael MorganJeffrey Michael Morgan (21 patents)Timothy John FowlerTimothy John Fowler (15 patents)Cheyne Pohlman ThomasCheyne Pohlman Thomas (15 patents)Kimberly Ann BiedermannKimberly Ann Biedermann (10 patents)Christopher Dean PutmanChristopher Dean Putman (9 patents)Julie Ann WagnerJulie Ann Wagner (8 patents)Robert Bao HaRobert Bao Ha (5 patents)David Edmund TarantinoDavid Edmund Tarantino (4 patents)Peter James HargravesPeter James Hargraves (3 patents)Patricia Ritenour HertzPatricia Ritenour Hertz (1 patent)Julie Elizabeth WilsonJulie Elizabeth Wilson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Procter Gamble Company (7 from 17,167 patents)


7 patents:

1. 6436885 - Antimicrobial cleansing compositions containing 2-pyrrolidone-5-carboxylic acid

2. 6290938 - Sunscreen compositions

3. 6024942 - Photoprotective compositions

4. 6013270 - Skin care kit

5. 5989528 - Sunscreen compositions

6. 5935556 - Sunscreen compositions

7. 5827508 - Stable photoprotective compositions

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idiyas.com
as of
12/19/2025
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