Overall rank by patents
#21,649
of 50,000 tracked assignees
USPTO PatentsView assignee record - 13 granted patents across 9 technology areas, recorded in grant years 2016–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: G02B (OPTICAL ELEMENTS, SYSTEMS OR APPARATUS).
The verdict
According to USPTO PatentsView, Qisda ranks #21,649 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 9 technology areas.
USPTO PatentsView assignee plate
Corpus R21649 · Foreign Corporation #21,649 · 13 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL
Nearest grant-volume peer: Pécsi Tudományegyetem (±0 grants)
Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
Qualcomm Incorporated · highest
85 score
Qisda Optronics (suz… · this assignee
28 score
3D Lighting Innovati… · lowest
7 score
What this shows Qisda's Innovation Score is 27.8/100 (top 75% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.
Qisda Optronics (suzhou) Co., Ltd. is a focused PatentsView assignee: 9 CPC subclasses with 53.8% of grants classified under G02B (OPTICAL ELEMENTS, SYSTEMS OR APPARATUS). Peak complete grant year is 2018 (5 grants) versus a trough of 1 in 2016. By volume, Qisda sits between Pulpac AB and Qxonix Inc..
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
PulPac AB
13 patents
Pulse Therapeutics, Inc.
13 patents
PÉCSI TUDOMÁNYEGYETEM
13 patents
QINGDAO HUATIAN HAND TRUCK CO., LTD.
13 patents
QMotion, Incorporated
13 patents
QOGNIFY, LTD.
13 patents
QUANTUM BASE LIMITED
13 patents
QXONIX INC.
13 patents
QISDA OPTRONICS (SUZHOU) CO., LTD.
13 patents
What this shows Qisda holds 13 patents at rank #21,644, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #21,644 in granted patent volume.
Other assignees with the most granted patents in Qisda's primary technology class.
Qisda's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
28 Top 75% higher than 25% of 50,000 US assignees
Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025
Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2016 | 1 | 7.7% |
| 2017 | 3 | 23.1% |
| 2018 | 5 | 38.5% |
| 2019 | 1 | 7.7% |
| 2021 | 1 | 7.7% |
| 2025partial year | 2 | 15.4% |
Top 9 of 9 technology areas
Overall rank by patents
#21,649
of 50,000 tracked assignees
27.8 out of 100
Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.