SAEGUSA & Partners
Public patent records for SAEGUSA & Partners, 1978–2025: 3,076 patent families shared with other firms for 480 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
- 3,076
- 1978–2025. One family can be counted more than once.
- Activity 2016–2020
- 762
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 480
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 3
Activity trend (2017–2026)
- Scope
- SAEGUSA & Partners · 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 | 100 |
| 2018 | 119 |
| 2019 | 231 |
| 2020 | 183 |
| 2021 · preliminary | 169 |
| 2022 · preliminary | 240 |
| 2023 · preliminary | 117 |
| 2024 · preliminary | 41 |
| 2025 · preliminary | 2 |
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 |
|---|---|---|
| Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systemsIPC/CPC F25B | 2.9% | 4.9× |
| Acyclic or carbocyclic compoundsIPC/CPC C07C | 8.2% | 3.9× |
| Materials for miscellaneous applications, not provided for elsewhereIPC/CPC C09K | 6.2% | 3.5× |
| PeptidesIPC/CPC C07K | 13.1% | 2.9× |
| Microorganisms or enzymes; compositions thereof; propagating, preserving, or maintaining microorganisms; mutation or genetic engineering; culture mediaIPC/CPC C12N | 15.3% | 2.8× |
Yearly counts for 2018–2022, added up: 1,540 of 1,940 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.
- SHINSEI Patent OfficeＳＨＩＮＳＥＩ特許事務所2,994 shared patent families
- Shinjuku Chuo Patent Office新宿中央特許事務所2,981 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
- 市位国際知財事務所3,244 shared patent families
- Primeworks International Patent Officeプライムワークス国際特許事務所3,253 shared patent families
Compare SAEGUSA & Partners side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for SAEGUSA & Partners. 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.