Yamaguchi Patent and Law Firm
特許業務法人山口国際特許事務所
Public patent records for Yamaguchi Patent and Law Firm, 1978–2020: 534 patent families shared with other firms for 39 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
- 534
- 1978–2020. One family can be counted more than once.
- Activity 2016–2020
- 92
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 39
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 6
Activity trend (2017–2026)
- Scope
- Yamaguchi Patent and Law Firm · Japan
- Filing years
- 2017–2020
- 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 | 7 |
| 2018 | 10 |
| 2019 | 21 |
| 2020 | 21 |
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.
- Okada International Patent Office弁理士法人岡田特許事務所534 shared patent families
- Isono International Patent Office特許業務法人磯野国際特許商標事務所532 shared patent families
- Kubomurakenji矢野 敏雄 (外4名)537 shared patent families
- R&C Patent Firm弁理士法人Ｒ＆Ｃ537 shared patent families
- Yamamoto Kenji Patent Office山本健二特許事務所531 shared patent families
Compare Yamaguchi Patent and Law Firm side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Yamaguchi Patent and Law Firm. 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.