Hiroe Associates Patent Office
特許業務法人広江アソシエイツ特許事務所
Public patent records for Hiroe Associates Patent Office, 1978–2025: 2,353 patent families shared with other firms for 307 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
- 2,353
- 1978–2025. One family can be counted more than once.
- Activity 2016–2020
- 515
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 307
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 5
Activity trend (2017–2026)
- Scope
- Hiroe Associates 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 | 76 |
| 2018 | 61 |
| 2019 | 120 |
| 2020 | 138 |
| 2021 · preliminary | 115 |
| 2022 · preliminary | 148 |
| 2023 · preliminary | 113 |
| 2024 · preliminary | 26 |
| 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 |
|---|---|---|
| Filters implantable into blood vessels; prostheses; devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents; orthopaedic, nursing or contraceptive devices; fomentation; treatment or protection of eyes or ears; bandages, dressings or absorbent pads; first-aid kitsIPC/CPC A61F | 4.6% | 2.6× |
| Radio direction-finding; radio navigation; determining distance or velocity by use of radio waves; locating or presence-detecting by use of the reflection or reradiation of radio waves; analogous arrangements using other wavesIPC/CPC G01S | 3.5% | 2.0× |
| Preparations for medical, dental or toiletry purposesIPC/CPC A61K | 19.1% | 1.5× |
| Specific therapeutic activity of chemical compounds or medicinal preparationsIPC/CPC A61P | 15.3% | 1.5× |
Yearly counts for 2018–2022, added up: 939 of 1,151 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.
- CP Japan Patent Office2,351 shared patent families
- Koho Patent Attorneys高法弁理士法人2,360 shared patent families
- SHIGA Domestic & International Patent OfficeＳＨＩＧＡ内外国特許事務所2,330 shared patent families
- Tokyo Kyodo IP東京共同弁理士法人2,315 shared patent families
- UEDA & NAKAJIMA IP LAW FIRM中島・植田国際特許事務所2,314 shared patent families
Compare Hiroe Associates Patent Office side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Hiroe Associates 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.