Inventor
Tsutomu Sumimoto
Inventor
Hadano, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing20%
G11CStatic stores20%
H03KPulse technique20%
H10DInorganic electric semiconductor devices20%
H01BCables10%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines10%
PatentTitleYear
10,283,242Polymer bushing20195,384,738'Semiconductor integrated circuit device'19955,291,445'Semiconductor integrated circuit device'19945,235,688'Memory access control unit for allowing maximum throughput of an I/O processor and an I/O request buffer full state'19934,774,687'Advanced store-in system for a hierarchy memory device'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1995Patents assigned to HITACHI LTD (4)· patent assignee history
1988–1995Based in Hadano, JP· patent location history
1994–1995Patents assigned to HITACHI MICROCOMPUTER SYST (2)· patent assignee history
2019Patents assigned to SWCC SHOWA CABLE SYSTEMS CO LTD (1)· patent assignee history
2019Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 4 | 1988–1995 |
| HITACHI MICROCOMPUTER SYST | 2 | 1994–1995 |
| SWCC SHOWA CABLE SYSTEMS CO LTD | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hadano, JP | 4 | 1988–1995 |
| Kanagawa, JP | 1 | 2019 |