Growing community of inventors

Portland, OR, United States of America

David D Lewin

Average Co-Inventor Count = 2.85

ph-index = 15

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 = 521

David D LewinTodd Ernst (20 patents)David D LewinGregory David Windom (18 patents)David D LewinBrian Sheehy (14 patents)David D LewinDouglas R Hutchens (14 patents)David D LewinDavid C Brands (9 patents)David D LewinStephen E Hubert (8 patents)David D LewinDavid Goldman (7 patents)David D LewinMichael Wunnicke (6 patents)David D LewinHai Rong Shi (5 patents)David D LewinChao Jun Ding (4 patents)David D LewinQuint Dean Crispin (3 patents)David D LewinDaniel I Campean (3 patents)David D LewinSong Yangzhi (3 patents)David D LewinOlin Lance Scrivens (3 patents)David D LewinTodd A Juenemann (2 patents)David D LewinElbridge Jackson Lapham, Iv (2 patents)David D LewinWangda Rong (2 patents)David D LewinZhongqiu Xu (2 patents)David D LewinKam Fu Choo (1 patent)David D LewinXuyen Huynh (1 patent)David D LewinTodd Anthony Miller (1 patent)David D LewinKam Fu Choo (1 patent)David D LewinGreg Mitchel Sande (1 patent)David D LewinEric R Uppiano (1 patent)David D LewinHieu Nguyen (1 patent)David D LewinAking Peng (1 patent)David D LewinR Stephen Mulder (1 patent)David D LewinHe Shijie (1 patent)David D LewinDavid D Lewin (62 patents)Todd ErnstTodd Ernst (37 patents)Gregory David WindomGregory David Windom (46 patents)Brian SheehyBrian Sheehy (29 patents)Douglas R HutchensDouglas R Hutchens (27 patents)David C BrandsDavid C Brands (16 patents)Stephen E HubertStephen E Hubert (8 patents)David GoldmanDavid Goldman (13 patents)Michael WunnickeMichael Wunnicke (6 patents)Hai Rong ShiHai Rong Shi (13 patents)Chao Jun DingChao Jun Ding (13 patents)Quint Dean CrispinQuint Dean Crispin (21 patents)Daniel I CampeanDaniel I Campean (7 patents)Song YangzhiSong Yangzhi (4 patents)Olin Lance ScrivensOlin Lance Scrivens (3 patents)Todd A JuenemannTodd A Juenemann (5 patents)Elbridge Jackson Lapham, IvElbridge Jackson Lapham, Iv (2 patents)Wangda RongWangda Rong (2 patents)Zhongqiu XuZhongqiu Xu (2 patents)Kam Fu ChooKam Fu Choo (7 patents)Xuyen HuynhXuyen Huynh (4 patents)Todd Anthony MillerTodd Anthony Miller (3 patents)Kam Fu ChooKam Fu Choo (1 patent)Greg Mitchel SandeGreg Mitchel Sande (1 patent)Eric R UppianoEric R Uppiano (1 patent)Hieu NguyenHieu Nguyen (1 patent)Aking PengAking Peng (1 patent)R Stephen MulderR Stephen Mulder (1 patent)He ShijieHe Shijie (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Coast Cutlery Company (50 from 106 patents)

2. Leupold & Stevens, Inc. (11 from 145 patents)

3. Cyber Acoustics, LLC (1 from 12 patents)


62 patents:

1. D1097259 - Flashlight

2. D1097258 - Flashlight

3. D1096921 - Glasses with light

4. D1074066 - Harness with light

5. D1074065 - Light tube with sleeve

6. D1064416 - Lighted hard hat

7. D1054078 - Light device

8. D1051212 - Eyewear retainer

9. D1046231 - Light device

10. D1041706 - Headlamp light unit

11. D1041707 - Headlamp light unit

12. D1033704 - Flashlight

13. D1030149 - Hard hat

14. D1026266 - Headlamp

15. D1025191 - Glasses with light

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idiyas.com
as of
12/6/2025
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