Sunnext International Patent Office
弁理士法人サンネクスト国際特許事務所
Public patent records for Sunnext International Patent Office, 1978–2024: 2,871 patent families shared with other firms for 86 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
- 2,871
- 1978–2024. One family can be counted more than once.
- Activity 2016–2020
- 175
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 86
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 6
Activity trend (2017–2026)
- Scope
- Sunnext 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 | 3 |
| 2018 | 6 |
| 2019 | 58 |
| 2020 | 82 |
| 2021 · preliminary | 51 |
| 2022 · preliminary | 114 |
| 2023 · preliminary | 45 |
| 2024 · preliminary | 14 |
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 |
|---|---|---|
| Apparatus for conversion between AC and AC, between AC and DC, or between DC and DC, and for use with mains or similar power supply systems; conversion of DC or AC input power into surge output power; control or regulation thereofIPC/CPC H02M | 16.0% | 18.2× |
| Propulsion of electrically-propelled vehicles; supplying electric power for auxiliary equipment of electrically-propelled vehicles; electrodynamic brake systems for vehicles in general; magnetic suspension or levitation for vehicles; monitoring operating variables of electrically-propelled vehicles; electric safety devices for electrically-propelled vehiclesIPC/CPC B60L | 15.7% | 13.6× |
| Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energyIPC/CPC H01M | 14.9% | 2.7× |
Yearly counts for 2018–2022, added up: 281 of 411 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
- 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
- Shinjuku Chuo Patent Office新宿中央特許事務所2,981 shared patent families
- SHINSEI Patent OfficeＳＨＩＮＳＥＩ特許事務所2,994 shared patent families
- 稲本特許事務所2,741 shared patent families
Compare Sunnext International Patent Office side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Sunnext 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.