CPC Subgroup Additional Only
B41P 2235/10 characterised by the methods or devices
Full Title
Cleaning > characterised by the methods or devices
5 direct subcodes
Child Classifications
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- B41P 2235/12 using laser energy
- B41P 2235/14 using ultrasonic energy
- B41P 2235/20 Wiping devices
- B41P 2235/26 Spraying devices
- B41P 2235/27 Suction devices
Top Applicants
Top 10 applicants by patent filingsfor class B41, 2013–2023, worldwide · Source: EPO PATSTAT
- SEIKO EPSON CORPORATION 8,446
- SEIKO EPSON CORPORATION JP 8,438
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
- CANON JP 5,419
- CANON 4,156
- BROTHER INDUSTRIES JP 3,763
- BROTHER INDUSTRIES 2,779
- RICOH COMPANY JP 2,717
- FUJIFILM JP 2,423
- RICOH COMPANY 1,739