

400F Email Formats
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400F
- 400F uses 6 different email formats. The most common is lastNamefirstName (for example, doejane@400f.jp), which appears in about 53% of work addresses.
- Other common patterns include:
- firstName-lastNameInitial: jane-d@400f.jp (2%)
- firstNamelastName: janedoe@400f.jp (42%)
400F’s Popular Email Formats
| Format | Example | Percentage |
|---|---|---|
Format lastNamefirstName | Percentage: 53% | |
Format firstNamelastName | Percentage: 42% | |
Format firstName-lastNameInitial | Percentage: 2% | |
Format firstNameInitial_lastNameInitial | Percentage: 1% | |
Format lastNameInitial-firstNameInitial | Percentage: 1% | |
Format lastName | Percentage: 1% |
Contact top employees from
400F
Fumiyasu KagamiChief Product Officer
Genki IdeSoftware Engineer
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400F Corporate Information: FAQ
The business currently specializes in Internet area. Register with SignalHire to connect with 400F employees and management.
400F uses 6 email formats across its organization. The most common pattern is lastNamefirstName (e.g., doejane@400f.jp), used in approximately 53% of work addresses.
400F currently employs over 10-50 people from Japan, with a head office in 港区, 東京都.
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