Growing community of inventors

San Carlos, CA, United States of America

Richard Glen Freeman

Average Co-Inventor Count = 4.17

ph-index = 6

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 = 143

Richard Glen FreemanEric Thomas Shuler (4 patents)Richard Glen FreemanMichael C Wood (3 patents)Richard Glen FreemanMark B Flowers (3 patents)Richard Glen FreemanJason Avery (3 patents)Richard Glen FreemanTracey Hope Jedrzejek (3 patents)Richard Glen FreemanMargaret E Grunert (3 patents)Richard Glen FreemanEd Annunziata (2 patents)Richard Glen FreemanElecia White (2 patents)Richard Glen FreemanJorge Gabriel Soto (1 patent)Richard Glen FreemanTom Musolf (1 patent)Richard Glen FreemanMichael Much (1 patent)Richard Glen FreemanKathleen Campisano (1 patent)Richard Glen FreemanRichard Glen Freeman (7 patents)Eric Thomas ShulerEric Thomas Shuler (11 patents)Michael C WoodMichael C Wood (41 patents)Mark B FlowersMark B Flowers (36 patents)Jason AveryJason Avery (24 patents)Tracey Hope JedrzejekTracey Hope Jedrzejek (5 patents)Margaret E GrunertMargaret E Grunert (5 patents)Ed AnnunziataEd Annunziata (12 patents)Elecia WhiteElecia White (6 patents)Jorge Gabriel SotoJorge Gabriel Soto (9 patents)Tom MusolfTom Musolf (5 patents)Michael MuchMichael Much (3 patents)Kathleen CampisanoKathleen Campisano (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Leapfrog Enterprises, Inc. (7 from 113 patents)


7 patents:

1. 8025504 - Display apparatus for teaching writing

2. 7792480 - Electrographic position location apparatus including recording capability and data cartridge including microphone

3. 7249950 - Display apparatus for teaching writing

4. 7106309 - Interactive apparatus using print media

5. 6905391 - Scanning toy

6. 6641401 - Interactive apparatus with templates

7. 6608618 - Interactive apparatus using print media

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as of
1/4/2026
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