John C DiFonzo
Inventor
Stats
- 41 US patents issued
- 78 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 41 US Patents Issued
- 78 US Applications Filed
- 2473 Total Citation Count
- Sep 25, 2024 Most Recent Filing
- Aug 12, 1988 Earliest Filing
Work History
Patent Owner | Applications Filed | Year |
---|---|---|
SPECTRA-PHYSICS, A CORP. OF DE | 2
| 1988
|
SPECTRA-PHYSICS LASERS, INC. | 4
| 1988
|
APPLE COMPUTER, INC. | 1
| 1999
|
APPLE INC. | 1
2 4 5 2 5 11 2 8 10 4 7 11 4 2 | 1999
2001 2002 2005 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 |
Inventor Addresses
Address | Duration |
---|---|
Cupertino, CA, US | Jul 19, 22 - Jan 23, 25 |
Emerald Hill, CA | Dec 09, 03 - Dec 09, 03 |
Emerald Hill, CA, US | Jul 11, 02 - Jul 11, 02 |
Emerald Hills, CA | Jul 17, 01 - Nov 13, 08 |
Emerald Hills, CA, US | Jun 20, 02 - Jul 11, 24 |
Redwood City, CA, US | Mar 21, 13 - Apr 03, 25 |
San Mateo County, CA | Jan 16, 90 - Jun 19, 90 |
San Mateo, CA | Oct 10, 89 - Oct 10, 89 |
San Mateo, CA, US | Mar 23, 21 - Jun 11, 24 |
Technology Profile
Technology | Matters | |
---|---|---|
B03C: | MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS | 1 |
B23P: | OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS | 1 |
B29C: | SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING | 1 |
Patents / Publication
Patents / Publication # | Year of Publication / Issued | Title | Citations |
---|---|---|---|
2025/0111,972 | 2025 | MAGNETIC SYSTEMS INCORPORATING ELECTROPERMANENT MAGNET ARRAYS | 0 |
2025/0104,895 | 2025 | MIM MAGNETS | 0 |
2025/0030,420 | 2025 | INPUT DEVICE HAVING ADJUSTABLE INPUT MECHANISMS | 0 |
2024/0235,108 | 2024 | MAGNETIC CIRCUIT FOR MAGNETIC CONNECTOR | 0 |
12009162 | 2024 | Bistable retractable buttons | 0 |
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