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London, United Kingdom

John Tree

Average Co-Inventor Count = 3.09

ph-index = 9

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 = 331

John TreeKurt Jonach (13 patents)John TreeEric D Edwards (12 patents)John TreeClay Harvey Fisher (11 patents)John TreeNeal Jacob Manowitz (11 patents)John TreeRobert Jay Sato (3 patents)John TreeVictor J Cautereels (2 patents)John TreeIan Ferris (2 patents)John TreeRoland Oliver Lamb (2 patents)John TreeNing Xu (2 patents)John TreeTien-sheng Huang (2 patents)John TreeHong-Yeul Eom (2 patents)John TreeHeegun Koo (2 patents)John TreeGaetano Ling (2 patents)John TreeStephen Hempton (2 patents)John TreeKen Yano (1 patent)John TreeRyuta Kanno (1 patent)John TreeYoshimichi Matsuoka (1 patent)John TreeRonald L Lytel (1 patent)John TreePhillip Mark Rose (1 patent)John TreeSimon John Bradford (1 patent)John TreeKengo Masu (1 patent)John TreeJohn Tree (23 patents)Kurt JonachKurt Jonach (21 patents)Eric D EdwardsEric D Edwards (55 patents)Clay Harvey FisherClay Harvey Fisher (48 patents)Neal Jacob ManowitzNeal Jacob Manowitz (35 patents)Robert Jay SatoRobert Jay Sato (9 patents)Victor J CautereelsVictor J Cautereels (48 patents)Ian FerrisIan Ferris (28 patents)Roland Oliver LambRoland Oliver Lamb (7 patents)Ning XuNing Xu (4 patents)Tien-sheng HuangTien-sheng Huang (4 patents)Hong-Yeul EomHong-Yeul Eom (3 patents)Heegun KooHeegun Koo (2 patents)Gaetano LingGaetano Ling (2 patents)Stephen HemptonStephen Hempton (2 patents)Ken YanoKen Yano (49 patents)Ryuta KannoRyuta Kanno (33 patents)Yoshimichi MatsuokaYoshimichi Matsuoka (26 patents)Ronald L LytelRonald L Lytel (12 patents)Phillip Mark RosePhillip Mark Rose (3 patents)Simon John BradfordSimon John Bradford (3 patents)Kengo MasuKengo Masu (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sony Corporation (18 from 58,129 patents)

2. Sony Electronics Inc (14 from 2,335 patents)

3. Dart Industries Inc. (2 from 1,642 patents)

4. Roli Ltd. (2 from 9 patents)

5. Other (1 from 832,680 patents)


23 patents:

1. D810185 - Keyboard instrument

2. D809588 - Keyboard instrument

3. 9418401 - Masking tool

4. 9224191 - Masking tool

5. 8755631 - Masking tool

6. 8750644 - Masking tool

7. 8407595 - Imaging service for automating the display of images

8. 8254722 - Masking tool

9. 7961978 - Masking tool

10. 7587100 - Masking tool

11. 7391929 - Masking tool

12. 7058903 - Image database jog/shuttle search

13. 7027663 - Masking tool

14. 6993719 - System and method for animated character photo-editing interface and cross-platform education icon

15. 6981085 - Carrying case for portable electronic devices

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as of
12/8/2025
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