Kiyohara International Patent
Public patent records for Kiyohara International Patent, 1978–2024: 1,615 patent families shared with other firms for 300 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
- 1,615
- 1978–2024. One family can be counted more than once.
- Activity 2016–2020
- 345
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 300
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 3
Activity trend (2017–2026)
- Scope
- Kiyohara International Patent · 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 | 41 |
| 2018 | 47 |
| 2019 | 99 |
| 2020 | 102 |
| 2021 · preliminary | 123 |
| 2022 · preliminary | 121 |
| 2023 · preliminary | 68 |
| 2024 · 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 |
|---|---|---|
| Heterocyclic compoundsIPC/CPC C07D | 16.7% | 4.0× |
| Specific therapeutic activity of chemical compounds or medicinal preparationsIPC/CPC A61P | 37.7% | 3.8× |
| Preparations for medical, dental or toiletry purposesIPC/CPC A61K | 39.4% | 3.2× |
| PeptidesIPC/CPC C07K | 14.2% | 3.1× |
| Microorganisms or enzymes; compositions thereof; propagating, preserving, or maintaining microorganisms; mutation or genetic engineering; culture mediaIPC/CPC C12N | 12.7% | 2.3× |
Yearly counts for 2018–2022, added up: 520 of 610 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.
- Isono International Patent & Trademark Office弁理士法人磯野国際特許商標事務所1,609 shared patent families
- Shuwa Patent Office Kansai Kyo弁理士法人秀和特許事務所 関西オフィス 京1,625 shared patent families
- 山口知的財産事務所1,605 shared patent families
- Isshiki International Patent Firm一色国際特許業務法人1,604 shared patent families
- Yufu Patent Office特許業務法人 有古特許事務所1,631 shared patent families
Compare Kiyohara International Patent side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Kiyohara International Patent. 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.