SONODA & KOBAYASHI
園田・小林特許業務法人
Public patent records for SONODA & KOBAYASHI, 1978–2025: 10,087 patent families shared with other firms for 558 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
- 10,087
- 1978–2025. One family can be counted more than once.
- Activity 2016–2020
- 2,963
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 558
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 5
Activity trend (2017–2026)
- Scope
- SONODA & KOBAYASHI · 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 | 403 |
| 2018 | 401 |
| 2019 | 781 |
| 2020 | 733 |
| 2021 · preliminary | 603 |
| 2022 · preliminary | 637 |
| 2023 · preliminary | 257 |
| 2024 · preliminary | 142 |
| 2025 · preliminary | 8 |
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 |
|---|---|---|
| Wireless communication networksIPC/CPC H04W | 21.6% | 3.9× |
| Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in generalIPC/CPC C23C | 7.6% | 3.8× |
| Inorganic electric semiconductor devicesIPC/CPC H10D | 3.0% | 3.1× |
| TransmissionIPC/CPC H04B | 5.8% | 3.0× |
| Displaying; advertising; signs; labels or name-plates; sealsIPC/CPC G09F | 3.3% | 2.9× |
Yearly counts for 2018–2022, added up: 2,258 of 3,499 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.
- TMI Associates Osaka OfficeＴＭＩ総合法律事務所 大阪オフィス9,879 shared patent families
- OHTSUKA PATENT OFFICE弁理士法人大塚国際特許事務所9,765 shared patent families
- HIRAKI & ASSOCIATES弁理士法人平木国際特許事務所9,636 shared patent families
- ASAMURA PATENT OFFICE弁理士法人浅村特許事務所9,577 shared patent families
- Taiyo International Patent10,888 shared patent families
Compare SONODA & KOBAYASHI side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for SONODA & KOBAYASHI. 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.