Yuasa Hara
Public patent records for Yuasa Hara, 1978–2025: 18,663 patent families shared with other firms for 1,436 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
- 18,663
- 1978–2025. One family can be counted more than once.
- Activity 2016–2020
- 2,216
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 1,436
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 6
Activity trend (2017–2026)
- Scope
- Yuasa Hara · 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 | 291 |
| 2018 | 359 |
| 2019 | 528 |
| 2020 | 567 |
| 2021 · preliminary | 461 |
| 2022 · preliminary | 632 |
| 2023 · preliminary | 336 |
| 2024 · preliminary | 96 |
| 2025 · preliminary | 5 |
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 |
|---|---|---|
| Radio direction-finding; radio navigation; determining distance or velocity by use of radio waves; locating or presence-detecting by use of the reflection or reradiation of radio waves; analogous arrangements using other wavesIPC/CPC G01S | 4.7% | 2.6× |
| Specific therapeutic activity of chemical compounds or medicinal preparationsIPC/CPC A61P | 18.1% | 1.8× |
| PeptidesIPC/CPC C07K | 8.3% | 1.8× |
| Vehicles, vehicle fittings, or vehicle parts, not otherwise provided forIPC/CPC B60R | 2.0% | 1.8× |
| Acyclic or carbocyclic compoundsIPC/CPC C07C | 3.8% | 1.8× |
Yearly counts for 2018–2022, added up: 3,781 of 4,816 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.
- Suzue International Patent Office弁理士法人スズエ国際特許事務所18,666 shared patent families
- Sonderhoff & Einsel Patent Law Officeゾンデルホフ＆アインゼル法律特許事務所19,992 shared patent families
- KOTOBUKI Patent & Trademark Office17,141 shared patent families
- Yamamoto Patent山本特許法律事務所20,775 shared patent families
- Nakamura Joint Patent & Law Office Tokyo中村合同特許法律事務所 東京21,190 shared patent families
Compare Yuasa Hara side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Yuasa Hara. 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.