Matsui & Murakami Patent Office
松井・村上特許事務所
Public patent records for Matsui & Murakami Patent Office, 1978–2025: 896 patent families shared with other firms for 76 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
- 896
- 1978–2025. One family can be counted more than once.
- Activity 2016–2020
- 127
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 76
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 4
Activity trend (2017–2026)
- Scope
- Matsui & Murakami 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 | 17 |
| 2018 | 13 |
| 2019 | 32 |
| 2020 | 23 |
| 2021 · preliminary | 23 |
| 2022 · preliminary | 22 |
| 2023 · preliminary | 10 |
| 2024 · preliminary | 2 |
| 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 |
|---|---|---|
| Electric digital data processingIPC/CPC G06F | 12.8% | 1.9× |
| Preparations for medical, dental or toiletry purposesIPC/CPC A61K | 18.8% | 1.5× |
Yearly counts for 2018–2022, added up: 250 of 312 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.
- OGAWA PATENT & TRADEMARK小川特許事務所901 shared patent families
- Ebara Patent Office江原特許事務所884 shared patent families
- Kaede Patent Attorneys' Office911 shared patent families
- Akatsuki Union Patent Firm879 shared patent families
- Tsubame Patent Officeつばめ特許事務所920 shared patent families
Compare Matsui & Murakami Patent Office side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Matsui & Murakami 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.