ZIH Corp.
USPTO PatentsView assignee record - 149 granted patents across 42 technology areas, recorded in grant years 2015–2020. 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: B41J (TYPEWRITERS; Selective Printing Mechanisms, i.e. Mechanisms Printing Otherwise Than From A FORME; Correction OF Typographical Errors).
The verdict
According to USPTO PatentsView, ZIH ranks #2,620 of 49,997 tracked US assignees by granted-patent volume, with 149 patents across 42 technology areas.
- #2,620
- of 49,997 US assignees by volume
- Top 12%
- by Innovation Score (51.2/100)
- 18.3
- avg claims per patent
- -99%
- grant velocity, last 5 yrs
USPTO PatentsView assignee plate
Corpus R2620 · US Corporation #2,620 · 149 grants
GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · VEL-DROP · BOOK-FULL
- GRANTS-MID 149 grants
- TOP-DECILE #2,620/49,997
- PHOTO-FINISH Teradyne
- CPC-WIDE B41J · 42 areas
- INNOV-PAR 51.2/100
- CLAIMS-RICH 18.3 claims/avg
- TYPE-USCORP US Corporation
- VEL-DROP -99% vel
- BOOK-FULL 10/10 fields
Nearest grant-volume peer: Teradyne, Inc. (±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.
How ZIH’s 51.2 Innovation Score adds up
The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.
Innovation-score neighbourhood around ZIH
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- Anker Innovations… · near
Anker Innovations… · near
51 score
- Cyntec · near
Cyntec · near
51 score
- Piolax · near
Piolax · near
51 score
- University College… · near
University College… · near
51 score
- ZIH · this assignee
ZIH · this assignee
51 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
What this shows ZIH's Innovation Score is 51.2/100 (top 12% 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.
Does more volume mean deeper claims for ZIH?
Each dot is one of ZIH’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). ZIH’s own 18.3 claims/patent is ABOVE the 15.5 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.
Where ZIH's grants concentrate
ZIH Corp. is a focused PatentsView assignee: 42 CPC subclasses with 42.3% of grants classified under B41J (TYPEWRITERS; Selective Printing Mechanisms, i.e. Mechanisms Printing Otherwise Than From A FORME; Correction OF Typographical Errors). Peak complete grant year is 2017 (45 grants) versus a trough of 1 in 2020. By volume, ZIH sits between Teradyne, Inc. and Casale SA.
Who files at ZIH's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- Teradyne
Teradyne, Inc.
149 patents
- The Hong Kong Pol…
The Hong Kong Polytechnic University
149 patents
- Thunder Power New…
Thunder Power New Energy Vehicle Development Company Limited
149 patents
- Varjo 0y
Varjo Technologies 0y
149 patents
- ZIH ◀
ZIH Corp.
149 patents
- Ablynx
Ablynx N.V.
148 patents
- B Braun Avitum
B. Braun Avitum AG
148 patents
- Barefoot Networks
Barefoot Networks, Inc.
148 patents
- Casale
Casale SA
148 patents
What this shows ZIH holds 149 patents at rank #2,620, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near ZIH
By rank, the assignees closest to #2,620 in granted patent volume.
- Teradyne, Inc. #2,616 · 149 patents
- The Hong Kong Polytechnic University #2,617 · 149 patents
- Thunder Power New Energy Vehicle Development Company Limited #2,618 · 149 patents
- Varjo Technologies 0y #2,619 · 149 patents
- Ablynx N.V. #2,621 · 148 patents
- B. Braun Avitum AG #2,622 · 148 patents
- Barefoot Networks, Inc. #2,623 · 148 patents
- Casale SA #2,624 · 148 patents
Leaders in B41J (Typewriters)
Other assignees with the most granted patents in ZIH's primary technology class.
- Seiko Epson Corporation 5,146 in class
- Canon Kabushiki Kaisha 3,133 in class
- Brother Kogyo Kabushiki Kaisha 2,693 in class
- Hewlett-packard Development Company, L.P. 2,289 in class
- Ricoh Company, Ltd. 1,612 in class
- Xerox Corporation 781 in class
- Toshiba TEC Kabushiki Kaisha 615 in class
- Kyocera Document Solutions Inc. 553 in class
Assignees with similar portfolio profiles
Two PlainPatent-derived peer sets for ZIH, neither rank-band nor same-CPC leaders (those blocks stay above). In B41J (Typewriters), ZIH ranks #35 of 598 assignees by patent count in that subclass.
Similar innovation score
Nearest assignees by Innovation Score (51 here).
Similar claim depth
Nearest assignees by average claims per patent (18.3 here).
ZIH's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
51 Top 12% higher than 88% of 49,997 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
Grants by year
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
View data table
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 26 | 17.4% |
| 2016 | 37 | 24.8% |
| 2017 | 45 | 30.2% |
| 2018 | 33 | 22.1% |
| 2019 | 7 | 4.7% |
| 2020 | 1 | 0.7% |
Which technologies does ZIH Corp. patent most?
Top 15 of 42 technology areas
Data Source
USPTO PatentsView, US granted patents 2015–2025
What to do with this data
ZIH Corp.'s patent record in context - here's where to go next.
- ZIH Corp.'s lead technology class is B41J (TYPEWRITERS; Selective Printing Mechanisms, i.e. Mechanisms Printing Otherwise Than From A FORME; Correction OF Typographical Errors), 42.3% of its portfolio - see every assignee active in that class. Explore B41J
- Ranked #2,620 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
- Compare ZIH Corp. against Teradyne, Inc., an assignee filing at a similar volume. Compare portfolios
- Innovation Score of 51.2/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated
Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.
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.