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Inventor

Michael Perkins

Inventor
Santa Clara, CA, US

Overview

6→
Patents
2000–2009
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B43Kprimary
B43KImplements for writing or drawing21%
G06FElectric digital data processing21%
G09BEducational or demonstration appliances21%
A47DFurniture specially adapted for children7%
A63HToys, e.g. tops, dolls, hoops or building blocks7%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%
LOC277%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
PatentTitleYear
7,567,242'Writing stylus'20097,510,238'Interactive entertainer'20097,224,348'Writing stylus'20077,068,262'Writing stylus for electrographic position location apparatus'20067,018,737'Battery pack including rechargeable batteries'2006D0434180'Cigar humidor'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to NDEPTH SOLUTIONS INC (1)· patent assignee history
2000Based in New Palestine, IN, US· patent location history
2006–2009Patents assigned to LEAPFROG ENTPR INC (5)· patent assignee history
2006–2009Based in Santa Clara, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LEAPFROG ENTPR INC52006–2009
NDEPTH SOLUTIONS INC12000
Locations
LocationPatentsSpan
Santa Clara, California, US52006–2009
New Palestine, IN, US12000