Growing community of inventors

Portland, OR, United States of America

Douglas R Hutchens

Average Co-Inventor Count = 2.27

ph-index = 8

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 = 430

Douglas R HutchensDavid D Lewin (14 patents)Douglas R HutchensGregory David Windom (12 patents)Douglas R HutchensTodd Ernst (5 patents)Douglas R HutchensStephen E Hubert (3 patents)Douglas R HutchensDavid Goldman (2 patents)Douglas R HutchensBradford J Parrish (2 patents)Douglas R HutchensGeorge C Sessions (2 patents)Douglas R HutchensSong Yangzhi (2 patents)Douglas R HutchensYufu Lai (2 patents)Douglas R HutchensChuck D Mills (2 patents)Douglas R HutchensWangda Rong (2 patents)Douglas R HutchensZhongqiu Xu (2 patents)Douglas R HutchensDavid C Brands (1 patent)Douglas R HutchensHai Rong Shi (1 patent)Douglas R HutchensKam Fu Choo (1 patent)Douglas R HutchensHe Shijie (1 patent)Douglas R HutchensRicky W Stewart (1 patent)Douglas R HutchensDouglas R Hutchens (27 patents)David D LewinDavid D Lewin (62 patents)Gregory David WindomGregory David Windom (46 patents)Todd ErnstTodd Ernst (37 patents)Stephen E HubertStephen E Hubert (8 patents)David GoldmanDavid Goldman (13 patents)Bradford J ParrishBradford J Parrish (8 patents)George C SessionsGeorge C Sessions (6 patents)Song YangzhiSong Yangzhi (4 patents)Yufu LaiYufu Lai (2 patents)Chuck D MillsChuck D Mills (2 patents)Wangda RongWangda Rong (2 patents)Zhongqiu XuZhongqiu Xu (2 patents)David C BrandsDavid C Brands (16 patents)Hai Rong ShiHai Rong Shi (13 patents)Kam Fu ChooKam Fu Choo (7 patents)He ShijieHe Shijie (1 patent)Ricky W StewartRicky W Stewart (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Coast Cutlery Company (24 from 106 patents)

2. Fiskars Finland Oy Ab (3 from 482 patents)


27 patents:

1. D1097258 - Flashlight

2. D1065635 - Light

3. D1058874 - Light with magnetic mount

4. D1026266 - Headlamp

5. D1025419 - Headlamp

6. D952920 - Flip light

7. D952215 - Lantern

8. D950347 - Saw handle

9. D950349 - Straight saw handle

10. D950348 - Tree saw

11. D943130 - Lantern

12. D943131 - Lantern

13. D936258 - Lantern

14. D934646 - Hatchet handle

15. D920074 - Knife

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idiyas.com
as of
12/6/2025
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