Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12207736 | Seating apparatus | — | 2025-01-28 |
| 11944198 | Rocking and reclining seating apparatus | — | 2024-04-02 |
| 11678811 | Contextual heart rate monitoring | Nima Ferdosi, Ravi Narasimhan | 2023-06-20 |
| 11284722 | Folding chair | — | 2022-03-29 |
| 11278216 | Method and device for determining step count | Nima Ferdosi, Ravi Narasimhan | 2022-03-22 |
| 11096606 | Determining body postures and activities | Nima Ferdosi, Ravi Narasimhan | 2021-08-24 |
| 10719574 | Calibration of a chest-mounted wireless sensor device for posture and activity detection | Nima Ferdosi, Ravi Narasimhan | 2020-07-21 |
| 10687757 | Psychological acute stress measurement using a wireless sensor | Ravi Narasimhan, Nandakumar Selvaraj, Toai Doan | 2020-06-23 |
| 10617325 | Respiratory rate measurement using a combination of respiration signals | Ravi Narasimhan | 2020-04-14 |
| 10448849 | Contextual heart rate monitoring | Nima Ferdosi, Ravi Narasimhan | 2019-10-22 |
| 10433781 | Measuring psychological stress from cardiovascular and activity signals | Ravi Narasimhan | 2019-10-08 |
| 10422814 | Fall detection using machine learning | Nima Ferdosi, Ravi Narasimhan | 2019-09-24 |
| 10383562 | Measuring psychological stress from cardiovascular and activity signals | Ravi Narasimhan | 2019-08-20 |
| 10324109 | Determining a time period a person is in bed | Ravi Narasimhan | 2019-06-18 |
| 10317427 | Calibration of a chest-mounted wireless sensor device for posture and activity detection | Nima Ferdosi, Ravi Narasimhan | 2019-06-11 |
| 10213146 | Measuring psychological stress from cardiovascular and activity signals | Arshan Aga, Ravi Narasimhan | 2019-02-26 |
| 9999376 | Determining body postures and activities | Nima Ferdosi, Ravi Narasimhan | 2018-06-19 |
| 9980678 | Psychological acute stress measurement using a wireless sensor | Ravi Narasimhan, Nandakumar Selvaraj, Toai Doan | 2018-05-29 |
| 9872634 | Respiratory rate measurement using a combination of respiration signals | Ravi Narasimhan | 2018-01-23 |
| 9855003 | Measuring psychological stress from cardiovascular and activity signals | Ravi Narasimhan | 2018-01-02 |
| 9788778 | Measuring psychological stress from cardiovascular and activity signals | Ravi Narasimhan | 2017-10-17 |
| 9655559 | Automated sleep staging using wearable sensors | Ravi Narasimhan | 2017-05-23 |
| 9632981 | Calibration of a chest-mounted wireless sensor device for posture and activity detection | Nima Ferdosi, Ravi Narasimhan | 2017-04-25 |
| 9471541 | Determining a time period a person is in bed | Ravi Narasimhan | 2016-10-18 |
| 9307908 | Measuring psychological stress from cardiovascular and activity signals | Ravi Narasimhan | 2016-04-12 |