Sanada Patent Firm
弁理士法人真田特許事務所
Public patent records for Sanada Patent Firm, 1978–2026: 1,215 patent families shared with other firms for 16 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
- 1,215
- 1978–2026. One family can be counted more than once.
- Activity 2016–2020
- 65
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 16
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 6
Activity trend (2017–2026)
- Scope
- Sanada Patent Firm · Japan
- Filing years
- 2019–2026
- 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 |
|---|---|
| 2019 | 18 |
| 2020 | 47 |
| 2021 · preliminary | 43 |
| 2022 · preliminary | 45 |
| 2023 · preliminary | 14 |
| 2024 · preliminary | 4 |
| 2026 · partial year | 1 |
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.
- Cantor Colburn LLPUS156 shared families
- Buchanan Ingersoll RooneyUS104 shared families
- H.C. Park & Associates, PLCUS72 shared families
- FUJITSU PATENT CENTER, FUJITSU MANAGEMENT SERVICESUS26 shared families
- Hauptman HamUS11 shared families
- Hofstetter, Schurack & PartnerEP11 shared families
- More partners in workspace
Similar Japan firms
Yearly counts since 1990, added up. One family can be counted more than once.
- Sugimura & Partners1,216 shared patent families
- TAKINO, KAWASAKI & ASSOCIATES瀧野国際特許事務所1,192 shared patent families
- 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
- ITOH-SHIN PATENT OFFICEイトーシン国際特許事務所1,184 shared patent families
Compare Sanada Patent Firm side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Sanada Patent Firm. 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.