Growing community of inventors

Rochester, NY, United States of America

Derek D Chapman

Average Co-Inventor Count = 2.15

ph-index = 16

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 = 719

Derek D ChapmanSteven Evans (26 patents)Derek D ChapmanLinda A Kaszczuk (15 patents)Derek D ChapmanRamanuj Goswami (14 patents)Derek D ChapmanCsaba A Kovacs (14 patents)Derek D ChapmanGary W Byers (7 patents)Derek D ChapmanMark A Harris (6 patents)Derek D ChapmanE-Ming Wu (6 patents)Derek D ChapmanMichael P Cunningham (5 patents)Derek D ChapmanJoseph H Ambro (5 patents)Derek D ChapmanCharles D DeBoer (4 patents)Derek D ChapmanJames Albert Reczek (3 patents)Derek D ChapmanHuijuan D Chen (3 patents)Derek D ChapmanGlenn T Pearce (3 patents)Derek D ChapmanJames C Fleming (3 patents)Derek D ChapmanRuizheng Wang (3 patents)Derek D ChapmanRichard C VanHanehem (3 patents)Derek D ChapmanCharles H Weidner (3 patents)Derek D ChapmanJames K Elwood (3 patents)Derek D ChapmanAnn L Carroll-Lee (3 patents)Derek D ChapmanJames A Friday (2 patents)Derek D ChapmanElizabeth G Burns (2 patents)Derek D ChapmanKenneth G Harbison (2 patents)Derek D ChapmanEdgar E Riecke (2 patents)Derek D ChapmanRichard C Van Hanehem (2 patents)Derek D ChapmanChung Y Chen (2 patents)Derek D ChapmanLee William Tutt (1 patent)Derek D ChapmanHelmut Weber (1 patent)Derek D ChapmanMargaret Jones Helber (1 patent)Derek D ChapmanKevin W Williams (1 patent)Derek D ChapmanJohn D Mee (1 patent)Derek D ChapmanRichard A Landholm (1 patent)Derek D ChapmanColin J Gray (1 patent)Derek D ChapmanJulie P Harmon (1 patent)Derek D ChapmanDonald W Heseltine (1 patent)Derek D ChapmanRonald R Valente (1 patent)Derek D ChapmanThomas I Abbott (1 patent)Derek D ChapmanMichael J McManus (1 patent)Derek D ChapmanDonald W Kurtz (1 patent)Derek D ChapmanDerek D Chapman (109 patents)Steven EvansSteven Evans (125 patents)Linda A KaszczukLinda A Kaszczuk (34 patents)Ramanuj GoswamiRamanuj Goswami (49 patents)Csaba A KovacsCsaba A Kovacs (33 patents)Gary W ByersGary W Byers (16 patents)Mark A HarrisMark A Harris (19 patents)E-Ming WuE-Ming Wu (6 patents)Michael P CunninghamMichael P Cunningham (15 patents)Joseph H AmbroJoseph H Ambro (7 patents)Charles D DeBoerCharles D DeBoer (116 patents)James Albert ReczekJames Albert Reczek (39 patents)Huijuan D ChenHuijuan D Chen (35 patents)Glenn T PearceGlenn T Pearce (26 patents)James C FlemingJames C Fleming (25 patents)Ruizheng WangRuizheng Wang (14 patents)Richard C VanHanehemRichard C VanHanehem (14 patents)Charles H WeidnerCharles H Weidner (13 patents)James K ElwoodJames K Elwood (12 patents)Ann L Carroll-LeeAnn L Carroll-Lee (10 patents)James A FridayJames A Friday (36 patents)Elizabeth G BurnsElizabeth G Burns (24 patents)Kenneth G HarbisonKenneth G Harbison (14 patents)Edgar E RieckeEdgar E Riecke (11 patents)Richard C Van HanehemRichard C Van Hanehem (8 patents)Chung Y ChenChung Y Chen (3 patents)Lee William TuttLee William Tutt (119 patents)Helmut WeberHelmut Weber (53 patents)Margaret Jones HelberMargaret Jones Helber (48 patents)Kevin W WilliamsKevin W Williams (31 patents)John D MeeJohn D Mee (17 patents)Richard A LandholmRichard A Landholm (15 patents)Colin J GrayColin J Gray (11 patents)Julie P HarmonJulie P Harmon (11 patents)Donald W HeseltineDonald W Heseltine (9 patents)Ronald R ValenteRonald R Valente (8 patents)Thomas I AbbottThomas I Abbott (5 patents)Michael J McManusMichael J McManus (3 patents)Donald W KurtzDonald W Kurtz (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Eastman-kodak Company (109 from 21,594 patents)


109 patents:

1. 7241719 - Thermal yellow donor and dyes

2. 6869909 - Yellow images with improved light stability and yellow dyes useful therein

3. 6864216 - Thermal magenta donor and dyes

4. 6582881 - Optical recording elements containing mixture of metallized azo ether and cyanine dyes

5. 6447981 - Metallized azo thioether dyes

6. 6361922 - Thicker optical recording layers comprising a tetra dye having a metallized azo dianionic dye with cationic dye counterions

7. 6270943 - Optical recording elements comprising novel metallized azo ether dyes

8. 6232269 - Blue dye mixture for thermal color proofing

9. 6221807 - Red dye mixture for thermal color proofing

10. 6194349 - Complexing agent for thermal color proofing

11. 6187714 - Complexing agent for thermal color proofing

12. 6187502 - Stabilizer for infrared-absorbing cyanine colorant for laser-colorant transfer

13. 6180561 - Complexing agent for thermal color proofing

14. 6174652 - Stable coating composition

15. 6165683 - Metallized azo-ether dyes for optical recording layers

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12/26/2025
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