SANKYO INTERNATIONAL PATENT ATTORNEYS OFFICE
弁理士法人三協国際特許事務所
Public patent records for SANKYO INTERNATIONAL PATENT ATTORNEYS OFFICE, 1978–2024: 2,553 patent families shared with other firms for 212 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
- 2,553
- 1978–2024. One family can be counted more than once.
- Activity 2016–2020
- 334
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 212
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 4
Activity trend (2017–2026)
- Scope
- SANKYO INTERNATIONAL PATENT ATTORNEYS OFFICE · Japan
- Filing years
- 2017–2024
- 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 | 54 |
| 2018 | 23 |
| 2019 | 69 |
| 2020 | 109 |
| 2021 · preliminary | 69 |
| 2022 · preliminary | 90 |
| 2023 · preliminary | 25 |
| 2024 · preliminary | 31 |
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 |
|---|---|---|
| Printed circuits; casings or constructional details of electric apparatus; manufacture of assemblages of electrical componentsIPC/CPC H05K | 16.3% | 7.1× |
| Information and communication technology [ICT] specially adapted for administrative, commercial, financial, managerial or supervisory purposes; systems or methods specially adapted for administrative, commercial, financial, managerial or supervisory purposes, not otherwise provided forIPC/CPC G06Q | 12.6% | 5.3× |
| Layered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, formIPC/CPC B32B | 14.6% | 4.4× |
| Working-up; general processes of compounding; after-treatment not covered by subclasses C08B, C08C, C08F, C08G or C08HIPC/CPC C08J | 10.4% | 4.1× |
| Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bondsIPC/CPC C08F | 8.7% | 3.5× |
Yearly counts for 2018–2022, added up: 356 of 516 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.
- Kawaguchi International Patent Office川口 義雄2,539 shared patent families
- Ohno Law Offices大野総合法律事務所2,529 shared patent families
- Eikou Patent Office特許業務法人栄光特許事務所2,600 shared patent families
- Ashida & Kimura2,504 shared patent families
- Kita-Aoyama International Patent Attorneys弁理士法人北青山インターナショナル2,501 shared patent families
Compare SANKYO INTERNATIONAL PATENT ATTORNEYS OFFICE side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for SANKYO INTERNATIONAL PATENT ATTORNEYS 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.