Inventor
TOMOYUKI KAMAZUKA
Inventor
JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing75%
H03MCoding25%
PatentTitleYear
12,229,420Compression-expansion control apparatus, storage system, and compression-expansion control method202512,224,772Compression/decompression apparatus, storage system, and compression/decompression method202511,972,119Storage system and cryptographic operation method202411,669,252Storage system and cryptographic operation method2023Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023–2025Patents assigned to HITACHI LTD (4)· patent assignee history
2023–2025Based in JP· patent location history
2025Patents assigned to HITACHI VANTARA LTD (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 4 | 2023–2025 |
| HITACHI VANTARA LTD | 2 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 4 | 2023–2025 |