Growing community of inventors

Wheaton, IL, United States of America

Donald E Toht

Average Co-Inventor Count = 3.07

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 = 163

Donald E TohtK Dale Weathington (4 patents)Donald E TohtRichard Rothkopf (4 patents)Donald E TohtGary D Aigner (3 patents)Donald E TohtPaul Dowd (2 patents)Donald E TohtLisa Ellen Gelfond (2 patents)Donald E TohtWill Isaksson (2 patents)Donald E TohtMary Lenehan (2 patents)Donald E TohtLin Ming Chuan Cindy (2 patents)Donald E TohtMitchell P Pomerantz (1 patent)Donald E TohtJeff Katz (1 patent)Donald E TohtJeffry Han Katz (1 patent)Donald E TohtJeffrey H Katz (1 patent)Donald E TohtRoy V Wilson (1 patent)Donald E TohtGary E Aigner (1 patent)Donald E TohtYvan Tinel (1 patent)Donald E TohtDonald E Toht (11 patents)K Dale WeathingtonK Dale Weathington (4 patents)Richard RothkopfRichard Rothkopf (4 patents)Gary D AignerGary D Aigner (7 patents)Paul DowdPaul Dowd (21 patents)Lisa Ellen GelfondLisa Ellen Gelfond (6 patents)Will IsakssonWill Isaksson (4 patents)Mary LenehanMary Lenehan (2 patents)Lin Ming Chuan CindyLin Ming Chuan Cindy (2 patents)Mitchell P PomerantzMitchell P Pomerantz (7 patents)Jeff KatzJeff Katz (2 patents)Jeffry Han KatzJeffry Han Katz (2 patents)Jeffrey H KatzJeffrey H Katz (1 patent)Roy V WilsonRoy V Wilson (1 patent)Gary E AignerGary E Aigner (1 patent)Yvan TinelYvan Tinel (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Learning Curve International Inc. (9 from 11 patents)

2. Rc2 Brands, Inc. (2 from 2 patents)


11 patents:

1. 7955156 - Magnetic building block

2. 7413493 - Magnetic building block

3. 6722941 - Toy vehicle magnetic coupler

4. 6648237 - Toy vehicle track segment and method of manufacturing a toy vehicle track segment

5. 6645031 - Playboard with collapsing easel

6. D481424 - Toy track segment

7. D477641 - Edges of supports for playboard with easel

8. 6089952 - Four wheel drive toy locomotive

9. 6015329 - Toy vehicle logging mill accessory

10. 5979783 - Toy vehicle track coupling support

11. 5826835 - Toy vehicle switch track

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idiyas.com
as of
12/29/2025
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