Arai International Patent Office
新居国際特許事務所
Public patent records for Arai International Patent Office, 1978–2024: 2,803 patent families shared with other firms for 204 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
- 2,803
- 1978–2024. One family can be counted more than once.
- Activity 2016–2020
- 802
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 204
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 3
Activity trend (2017–2026)
- Scope
- Arai International Patent Office · Japan
- Filing years
- 2017–2024
- 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 | 64 |
| 2018 | 125 |
| 2019 | 241 |
| 2020 | 266 |
| 2021 · preliminary | 145 |
| 2022 · preliminary | 91 |
| 2023 · preliminary | 58 |
| 2024 · preliminary | 31 |
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 |
|---|---|---|
| Electronic memory devicesIPC/CPC H10B | 4.4% | 13.5× |
| Static storesIPC/CPC G11C | 2.8% | 7.9× |
| Devices using the process of light amplification by stimulated emission of radiation [LASER] to amplify or generate light; devices using stimulated emission of electromagnetic radiation in wave ranges other than opticalIPC/CPC H01S | 2.6% | 5.2× |
| Pictorial communication, e.g. televisionIPC/CPC H04N | 20.7% | 4.7× |
| Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; electric hearing aids; public address systemsIPC/CPC H04R | 2.6% | 4.1× |
Yearly counts for 2018–2022, added up: 1,409 of 1,942 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.
- 石橋内外特許事務所2,859 shared patent families
- 稲本特許事務所2,741 shared patent families
- Kyosei International Patent Office特許業務法人共生国際特許事務所2,699 shared patent families
- Ueyanagi Patent Office上柳特許事務所2,691 shared patent families
- FIELDS IP Attorneys PPC弁理士法人フィールズ国際特許事務所2,922 shared patent families
Compare Arai International Patent Office side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Arai 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.