Okuda International Patent Office
奥田国際特許事務所
Public patent records for Okuda International Patent Office, 1978–2025: 1,236 patent families shared with other firms for 97 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
- 1,236
- 1978–2025. One family can be counted more than once.
- Activity 2016–2020
- 183
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 97
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 4
Activity trend (2017–2026)
- Scope
- Okuda International 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 | 11 |
| 2018 | 29 |
| 2019 | 46 |
| 2020 | 67 |
| 2021 · preliminary | 42 |
| 2022 · preliminary | 49 |
| 2023 · preliminary | 23 |
| 2024 · preliminary | 4 |
| 2025 · preliminary | 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 |
|---|---|---|
| Radio direction-finding; radio navigation; determining distance or velocity by use of radio waves; locating or presence-detecting by use of the reflection or reradiation of radio waves; analogous arrangements using other wavesIPC/CPC G01S | 11.2% | 6.3× |
| Optical elements, systems or apparatusIPC/CPC G02B | 17.1% | 4.0× |
| Pictorial communication, e.g. televisionIPC/CPC H04N | 16.5% | 3.8× |
| Semiconductor devices not covered by class H10IPC/CPC H01L | 15.6% | 2.4× |
| Image data processing or generation, in generalIPC/CPC G06T | 9.3% | 2.3× |
Yearly counts for 2018–2022, added up: 321 of 432 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.
- Patent Firm Ikeuchi Sato An Dopatonazu1,243 shared patent families
- Koyo International Patent Office弁理士法人光陽国際特許事務所1,243 shared patent families
- Utsunomiyamasaaki谷 義一 (外2名)1,247 shared patent families
- Sugimura & Partners1,216 shared patent families
- Furuya Patent Office1,265 shared patent families
Compare Okuda International Patent Office side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Okuda 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.