Opternative, Inc.
Chicago, IL, US· latest recorded location
Opternative, Inc. is named on 4 US grants and 8 published applications in this corpus. Its most frequent classification is A61B (Medical diagnosis and surgery).
- Granted patents
- 4
- Published applications
- 8
- Inventors
- 2
- Granted in 2026 so far
- 0
- Most recent grant
- 28 Mar 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 3 | 3 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
By publication year.
Technology areas
Share of 12 documents
Recent patents
- Computerized pupillary distance measurement system and method28 Mar 2017US 9,603,517 B2
- Computerized refraction prescription determination with sphere calculation29 Nov 2016US 9,504,378 B2
- Computerized refraction and astigmatism determination15 Nov 2016US 9,492,074 B1
- Computerized refraction and astigmatism determination19 Jan 2016US 9,237,842 B2
- Computerized testing and determination of a visual field of a patient31 Jan 2019US 2019/0029509 A1
- Computerized testing and determination of a visual field of a patient12 Jul 2018US 2018/0192869 A1
- Comptuerized testing and determination of a visual field of a patient6 Jul 2017US 2017/0188811 A1
- Computerized refraction and astigmatism determination2 Feb 2017US 2017/0027436 A1
- Computerized refraction and astigmatism determination3 Nov 2016US 2016/0317025 A1
Most cited
By later US patents
- Computerized refraction and astigmatism determination48US 9,492,074 B12016
- Computerized refraction and astigmatism determination27US 9,237,842 B22016
- Computerized refraction prescription determination with sphere calculation21US 9,504,378 B22016
- Computerized pupillary distance measurement system and method4US 9,603,517 B22017