Searchable Cryptography Processing System, Hitachi Ltd.
Summary
European Patent Application EP3343829A1 for a Searchable Cryptography Processing System was published by the European Patent Office on April 15, 2026. The application was filed by Hitachi, Ltd. with inventors YOSHINO Masayuki and SATO Hisayoshi. The system relates to cryptographic processing methods classified under H04L 9/00, H04L 9/14, and related IPC codes including G06F 21/60, G09C 1/00, and H04L 9/08.
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GovPing monitors EPO Patent Bulletin - Networking (H04L) for new telecom & technology regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 55 changes logged to date.
What changed
The European Patent Office published Application EP3343829A1 for a Searchable Cryptography Processing System filed by Hitachi, Ltd. The application covers cryptographic processing methods including encryption schemes (H04L 9/00, H04L 9/14, H04L 9/08, H04L 9/06), security control methods (G06F 21/60, G06F 21/62), cipher apparatus (G09C 1/00), and information retrieval methods (G06F 16/907).
For parties in the cryptography, cybersecurity, or data security sectors, this patent application signals Hitachi's technological positioning in searchable encryption and secure data processing. Companies developing similar technologies should review this application for potential freedom-to-operate considerations or opportunities to file observations under EPC Article 115.
Archived snapshot
Apr 25, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
SEARCHABLE CRYPTOGRAPH PROCESSING SYSTEM
Publication EP3343829A1 Kind: A1 Apr 15, 2026
Applicants
Hitachi, Ltd.
Inventors
YOSHINO Masayuki, SATO Hisayoshi
IPC Classifications
H04L 9/00 20060101AFI20240913BHEP H04L 9/14 20060101ALI20240913BHEP G06F 21/60 20130101ALI20240913BHEP G09C 1/00 20060101ALI20240913BHEP G06F 16/907 20190101ALI20240913BHEP H04L 9/08 20060101ALI20240913BHEP H04L 9/06 20060101ALI20240913BHEP G06F 21/62 20130101ALI20240913BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
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