Christopher Raymond Grajewski

Person

Seattle, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Radio frequency biosensor with integrated compensation
- Patent number 12,156,716
- Issue date Dec 3, 2024
- Amazon Technologies, Inc.
- Adrian Napoles
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Radio frequency antenna for wearable device
- Patent number 12,029,557
- Issue date Jul 9, 2024
- Amazon Technologies, Inc.
- Justin Christopher Kenny
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multi-sensor wearable device with audio processing
- Patent number 11,650,625
- Issue date May 16, 2023
- Amazon Technologies, Inc.
- Christopher Raymond Grajewski
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System to determine portable device presence at a portal
- Patent number 11,340,373
- Issue date May 24, 2022
- Amazon Technologies, Inc.
- Qicai Shi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System to detect event at an inventory location
- Patent number 11,087,274
- Issue date Aug 10, 2021
- Amazon Technologies, Inc.
- Camerin Cole Hahn
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
RFID enabled and location aware pallet mover
- Patent number 11,068,841
- Issue date Jul 20, 2021
- Amazon Technologies, Inc.
- Tak Keung Joseph Lui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
User identification system using directional antennas and cameras
- Patent number 11,057,751
- Issue date Jul 6, 2021
- Amazon Technologies, Inc.
- Somasundaram Niranjayan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electromagnetic tracking of moveable device with orientation determ...
- Patent number 10,969,461
- Issue date Apr 6, 2021
- Amazon Technologies, Inc.
- Nathan Pius O'Neill
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic entry portal identification system
- Patent number 10,459,103
- Issue date Oct 29, 2019
- Amazon Technologies, Inc.
- Qicai Shi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dynamic RFID tag singulation using state information masking
- Patent number 10,460,137
- Issue date Oct 29, 2019
- Amazon Technologies, Inc.
- Joshua David Landry
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Location estimation using array of capacitive sensors
- Patent number 10,262,294
- Issue date Apr 16, 2019
- Amazon Technologies, Inc.
- Camerin Cole Hahn
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Entry portal identification system
- Patent number 10,244,363
- Issue date Mar 26, 2019
- Amazon Technologies, Inc.
- Somasundaram Niranjayan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System to determine a change in weight at a load cell
- Patent number 10,198,710
- Issue date Feb 5, 2019
- Amazon Technologies, Inc.
- Camerin Cole Hahn
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Capacitive sensor system
- Patent number 10,007,892
- Issue date Jun 26, 2018
- Amazon Technologies, Inc.
- Camerin Cole Hahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Christopher Raymond Grajewski

Person

Patents Grantslast 30 patents

Radio frequency biosensor with integrated compensation

Radio frequency antenna for wearable device

Multi-sensor wearable device with audio processing

System to determine portable device presence at a portal

System to detect event at an inventory location

RFID enabled and location aware pallet mover

User identification system using directional antennas and cameras

Electromagnetic tracking of moveable device with orientation determ...

Magnetic entry portal identification system

Dynamic RFID tag singulation using state information masking

Location estimation using array of capacitive sensors

Entry portal identification system

System to determine a change in weight at a load cell

Capacitive sensor system