Goto Patent Office
弁理士法人後藤特許事務所
Public patent records for Goto Patent Office, 1978–2026: 1,994 patent families shared with other firms for 158 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
- 1,994
- 1978–2026. One family can be counted more than once.
- Activity 2016–2020
- 140
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 158
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 5
Activity trend (2017–2026)
- Scope
- Goto Patent Office · Japan
- Filing years
- 2017–2026
- 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 | 5 |
| 2018 | 12 |
| 2019 | 39 |
| 2020 | 67 |
| 2021 · preliminary | 77 |
| 2022 · preliminary | 76 |
| 2023 · preliminary | 44 |
| 2024 · preliminary | 13 |
| 2026 · partial year | 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 |
|---|---|---|
| GearingIPC/CPC F16H | 8.5% | 15.8× |
| Arrangement or mounting of propulsion units or of transmissions in vehicles; arrangement or mounting of plural diverse prime-movers in vehicles; auxiliary drives for vehicles; instrumentation or dashboards for vehicles; arrangements in connection with cooling, air intake, gas exhaust or fuel supply of propulsion units in vehiclesIPC/CPC B60K | 10.6% | 11.5× |
| Conjoint control of vehicle sub-units of different type or different function; control systems specially adapted for hybrid vehicles; road vehicle drive control systems for purposes not related to the control of a particular sub-unitIPC/CPC B60W | 10.6% | 8.8× |
| 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 | 7.3% | 6.4× |
| Dynamo-electric machinesIPC/CPC H02K | 4.5% | 3.9× |
Yearly counts for 2018–2022, added up: 739 of 969 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.
- Prime Works International Patent Office1,989 shared patent families
- Creo International Patent Law Office弁護士法人クレオ国際法律特許事務所1,989 shared patent families
- Yoshida Kenji2,015 shared patent families
- Cycks Patent Firm特許業務法人特許事務所サイクス2,034 shared patent families
- 増井特許事務所1,952 shared patent families
Compare Goto Patent Office side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Goto 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.