Ai Patent Office
弁理士法人あい特許事務所
Public patent records for Ai Patent Office, 1978–2025: 1,474 patent families shared with other firms for 108 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
- 1,474
- 1978–2025. One family can be counted more than once.
- Activity 2016–2020
- 128
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 108
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 5
Activity trend (2017–2026)
- Scope
- Ai 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 | 12 |
| 2018 | 19 |
| 2019 | 31 |
| 2020 | 56 |
| 2021 · preliminary | 60 |
| 2022 · preliminary | 60 |
| 2023 · preliminary | 27 |
| 2024 · preliminary | 37 |
| 2025 · preliminary | 1 |
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.
- Shinyu International Patent Office弁理士法人信友国際特許事務所1,473 shared patent families
- Katayama Patent Office弁理士法人片山特許事務所1,481 shared patent families
- Takahashi-Hayashi & Partners特許業務法人高橋・林アンドパートナーズ1,484 shared patent families
- Niki Global IP Patent Firm新樹グローバル・アイピー特許業務法人1,485 shared patent families
- Mitanishouko朝日奈 宗太 (外1名)1,492 shared patent families
Compare Ai Patent Office side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Ai 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.