Inventor
Seiichi Domyo
Inventor
Fujisawa, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication41%
G06FElectric digital data processing29%
G11BInformation storage based on relative movement between record carrier and transducer12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
H03MCoding6%
PatentTitleYear
8,627,026'Storage apparatus and additional data writing method'20147,711,714'Method and a device for sterilizing downloaded files'20107,149,930'Recording/reproducing apparatus'20067,139,759'Method and a device for managing a computer network'20067,073,037'System for controlling host access to a storage device based on physical characteristics of the storage device'20066,311,277'Method and device for managing computer network'20016,272,225'Key recovery condition encryption and decryption apparatuses'20016,266,421'Key recovery system and key recovery method'20016,185,308'Key recovery system'20016,118,874'Encrypted data recovery method using split storage key and system thereof'20005,872,530'Method of and apparatus for compressing and decompressing data and data processing apparatus and network system using the same'19995,559,984'Distributed file system permitting each user to enhance cache hit ratio in file access mode'19965,361,349'Virtual object management system for managing virtual objects which correspond to real objects under a user defined hierarchy'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2014Patents assigned to HITACHI LTD (11)· patent assignee history
1996Based in Yokohama, JP· patent location history
1999–2010Based in Fujisawa, JP· patent location history
2000–2001Patents assigned to FUJITSU LTD (4)· patent assignee history
2001Patents assigned to NEC CORP (3)· patent assignee history
2001Based in Kanagawa, JP· patent location history
2006Patents assigned to HITACHI GLOBAL STORAGE TECH (2)· patent assignee history
2006Based in Sagamihara, JP· patent location history
2014Patents assigned to ARIKAWA HIDEHISA (1)· patent assignee history
2014Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 11 | 1994–2014 |
| FUJITSU LTD | 4 | 2000–2001 |
| NEC CORP | 3 | 2001 |
| HITACHI GLOBAL STORAGE TECH | 2 | 2006 |
| ARIKAWA HIDEHISA | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fujisawa, JP | 7 | 1999–2010 |
| Sagamihara, JP | 2 | 2006 |
| Tokyo, JP | 1 | 2014 |
| Kanagawa, JP | 1 | 2001 |
| Yokohama, JP | 1 | 1996 |