Kita-Aoyama International Patent Attorneys
弁理士法人北青山インターナショナル
Public patent records for Kita-Aoyama International Patent Attorneys, 1978–2025: 2,598 patent families shared with other firms for 367 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
- 2,598
- 1978–2025. One family can be counted more than once.
- Activity 2016–2020
- 456
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 367
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 5
Activity trend (2017–2026)
- Scope
- Kita-Aoyama International Patent Attorneys · 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 | 82 |
| 2018 | 41 |
| 2019 | 94 |
| 2020 | 113 |
| 2021 · preliminary | 75 |
| 2022 · preliminary | 99 |
| 2023 · preliminary | 37 |
| 2024 · preliminary | 8 |
| 2025 · preliminary | 2 |
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.
- Eikou Patent Office特許業務法人栄光特許事務所2,600 shared patent families
- Takada & Takahashi International Patent Office弁理士法人高田・高橋国際特許事務所2,614 shared patent families
- Kawaguchi International Patent Office川口 義雄2,539 shared patent families
- UNIUS Patent Attorneys Office弁理士法人ユニアス国際特許事務所2,658 shared patent families
- Ohno Law Offices大野総合法律事務所2,529 shared patent families
Compare Kita-Aoyama International Patent Attorneys side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Kita-Aoyama International Patent Attorneys. 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.