Asphy International Patent Office
弁理士法人アスフィ国際特許事務所
Public patent records for Asphy International Patent Office, 1978–2024: 850 patent families shared with other firms for 76 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
- 850
- 1978–2024. One family can be counted more than once.
- Activity 2016–2020
- 109
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 76
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 5
Activity trend (2017–2026)
- Scope
- Asphy International Patent Office · 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 | 5 |
| 2018 | 12 |
| 2019 | 38 |
| 2020 | 42 |
| 2021 · preliminary | 23 |
| 2022 · preliminary | 12 |
| 2023 · preliminary | 17 |
| 2024 · preliminary | 11 |
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 |
|---|---|---|
| Photomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices; materials therefor; originals therefor; apparatus specially adapted thereforIPC/CPC G03F | 14.5% | 11.7× |
| Macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bondsIPC/CPC C08G | 17.6% | 6.0× |
| Devices for introducing media into, or onto, the body; devices for transducing body media or for taking media from the body; devices for producing or ending sleep or stuporIPC/CPC A61M | 15.4% | 5.8× |
| Use of inorganic or non-macromolecular organic substances as compounding ingredientsIPC/CPC C08K | 16.7% | 5.3× |
| Compositions of macromolecular compoundsIPC/CPC C08L | 18.6% | 4.3× |
Yearly counts for 2018–2022, added up: 221 of 325 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.
- Pro-Spec Patent Office特許業務法人プロスペック特許事務所848 shared patent families
- Sumitomo Patent Office住友特許事務所853 shared patent families
- Ozawa Patent Attorneys' Office小澤特許事務所855 shared patent families
- MIYASAKA INTELLECTUAL PROPERTY OFFICEみやさか国際特許商標事務所 長野855 shared patent families
- IPD International Patent Firmアイ・ピー・ディー国際特許業務法人861 shared patent families
Compare Asphy International Patent Office side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Asphy 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.