Hazuki International Patent Office
Public patent records for Hazuki International Patent Office, 1978–2018: 4,457 patent families shared with other firms for 291 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
- 4,457
- 1978–2018. One family can be counted more than once.
- Activity 2016–2020
- 105
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 291
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 5
Activity trend (2017–2026)
- Scope
- Hazuki International Patent Office · Japan
- Filing years
- 2017–2018
- Unit
- Distinct families per year
Each family counts once within a year. A family may recur in multiple years.
View annual counts
| Year | Distinct families per year |
|---|---|
| 2017 | 27 |
| 2018 | 13 |
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.
- Maeda Patent Office弁理士法人前田特許事務所4,421 shared patent families
- Esaki Patent Office江崎特許事務所4,405 shared patent families
- Takaoka IP Patent Office高岡ＩＰ特許事務所4,626 shared patent families
- Akebono International Patent Office曙国際特許事務所4,170 shared patent families
- Washida International Patent Office弁理士法人鷲田国際特許事務所4,023 shared patent families
Compare Hazuki International Patent Office side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Hazuki International Patent 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.