LexDanaLexDanabeta
Inventor

Tomoyasu Shimizu

Inventor
Sagamihara, JP

Overview

7→
Patents
1991–2005
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer21%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%
G06FElectric digital data processing14%
G11CStatic stores14%
H04MTelephonic communication14%
H04LTransmission of digital information, e.g. telegraphic communication7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
6,859,855'Data processing device'20056,725,351'Data communication device having a buffer in a nonvolatile storage device'20046,510,316'Wireless communication apparatus'20035,673,392'Method of executing communication program in modem apparatus'19975,427,867'Substrate used for magnetic disk and magnetic recording medium using the substrate'19955,113,302'Magnetic recording medium having a coupling agent disposed between a protective layer and a lubricating layer'19925,055,359'Magnetic recording medium with an intermediate protective layer of silicon dioxide and a perfluoroalkylpolyether lubricant layer'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1995Patents assigned to NIPPON SHEET GLASS CO LTD (3)· patent assignee history
1991–1992Based in Tsukuba, JP· patent location history
1995Based in Sapporo, JP· patent location history
1997–2005Patents assigned to MURATA MANUFACTURING CO (4)· patent assignee history
1997–2005Based in Sagamihara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MURATA MANUFACTURING CO41997–2005
NIPPON SHEET GLASS CO LTD31991–1995
Locations
LocationPatentsSpan
Sagamihara, JP41997–2005
Tsukuba, JP21991–1992
Sapporo, JP11995