TOKOSHIE PATENT FIRM JAPAN
弁理士法人とこしえ特許事務所
Public patent records for TOKOSHIE PATENT FIRM JAPAN, 1978–2024: 602 patent families shared with other firms for 52 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
- 602
- 1978–2024. One family can be counted more than once.
- Activity 2016–2020
- 82
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 52
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 5
Activity trend (2017–2026)
- Scope
- TOKOSHIE PATENT FIRM JAPAN · 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 | 3 |
| 2018 | 14 |
| 2019 | 25 |
| 2020 | 32 |
| 2021 · preliminary | 68 |
| 2022 · preliminary | 86 |
| 2023 · preliminary | 54 |
| 2024 · preliminary | 7 |
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 |
|---|---|---|
| Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bondsIPC/CPC C08F | 40.1% | 16.1× |
| Conjoint control of vehicle sub-units of different type or different function; control systems specially adapted for hybrid vehicles; road vehicle drive control systems for purposes not related to the control of a particular sub-unitIPC/CPC B60W | 14.0% | 11.8× |
| Working-up; general processes of compounding; after-treatment not covered by subclasses C08B, C08C, C08F, C08G or C08HIPC/CPC C08J | 19.5% | 7.8× |
| Coating compositions, e.g. paints, varnishes or lacquers; filling pastes; chemical paint or ink removers; inks; correcting fluids; woodstains; pastes or solids for colouring or printing; use of materials thereforIPC/CPC C09D | 17.0% | 7.3× |
| Compositions of macromolecular compoundsIPC/CPC C08L | 30.3% | 7.1× |
Yearly counts for 2018–2022, added up: 406 of 444 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.
- MARUYAMA & MARUYAMA弁理士法人 丸山国際特許事務所598 shared patent families
- Kobayashi International Patent Office弁理士法人小林国際特許事務所611 shared patent families
- Sowa International Patent Office創和国際特許事務所弁理士法人612 shared patent families
- Konishi & Nakamura Patent Office小西・中村特許事務所614 shared patent families
- 清水特許事務所617 shared patent families
Compare TOKOSHIE PATENT FIRM JAPAN side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for TOKOSHIE PATENT FIRM JAPAN. 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.