Primeworks International Patent Office
プライムワークス国際特許事務所
Public patent records for Primeworks International Patent Office, 1978–2025: 3,543 patent families shared with other firms for 351 clients (applicants). Sign in to explore the app’s partner network, selected filing periods, filing activity, and client relationships.
- Patent families shared with other firms
- 3,543
- 1978–2025. One family can be counted more than once.
- Activity 2016–2020
- 548
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 351
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 5
Activity trend (2017–2026)
- Scope
- Primeworks International Patent Office · Japan
- Filing years
- 2017–2025
- Unit
- Distinct families per year
2021–2026 are preliminary. Patent filings publish about 18 months after filing, and foreign filings can enter later, so these counts are still filling in.
Each family counts once within a year. A family may recur in multiple years.
View annual counts
| Year | Distinct families per year |
|---|---|
| 2017 | 77 |
| 2018 | 59 |
| 2019 | 149 |
| 2020 | 166 |
| 2021 · preliminary | 116 |
| 2022 · preliminary | 214 |
| 2023 · preliminary | 71 |
| 2024 · preliminary | 39 |
| 2025 · preliminary | 1 |
Technology fields it focuses on
Fields where this firm's share of patent families is well above the average for Japan firms, 2018–2022.
| Field | Share of its families | vs Japan average |
|---|---|---|
| Arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in generalIPC/CPC B60Q | 6.6% | 19.1× |
| Non-portable lighting devices; systems thereof; vehicle lighting devices specially adapted for vehicle exteriorsIPC/CPC F21S | 4.9% | 10.0× |
| Functional features or details of lighting devices or systems thereof; structural combinations of lighting devices with other articles, not otherwise provided forIPC/CPC F21V | 3.9% | 6.7× |
| Photomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices; materials therefor; originals therefor; apparatus specially adapted thereforIPC/CPC G03F | 4.7% | 3.8× |
| Conjoint control of vehicle sub-units of different type or different function; control systems specially adapted for hybrid vehicles; road vehicle drive control systems for purposes not related to the control of a particular sub-unitIPC/CPC B60W | 3.9% | 3.3× |
Yearly counts for 2018–2022, added up: 791 of 1,200 families carry an IPC or CPC classification. Shares are of those classified families, and one family can fall in several fields.
Frequently associated firms
Firms that most often appear on the same patent families. One family can be counted more than once, so these are not unique totals.
Similar Japan firms
Yearly counts since 1990, added up. One family can be counted more than once.
- YKI Intellectual Property Attorneys3,543 shared patent families
- Hibiki International Patent Office3,494 shared patent families
- Yamakawa International Patent Office Tokyo3,636 shared patent families
- Yanagida International Patent Office柳田国際特許事務所3,773 shared patent families
- Soga Patent Office曾我特許事務所3,807 shared patent families
Compare Primeworks International Patent Office side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Primeworks International Patent Office. App counts follow the filing years and corridors you choose, so they can differ from this public profile.
Filing activity
Recorded patent families across the filing years you choose.
Full partner list
Every observed counterpart for the filing period you choose.
Named clients
Applicant relationships behind the exchange counts.