Inventor
Shumpei Kohri
Inventor
Nagasaki, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Cprimary
G11CStatic stores78%
H03HImpedance networks, e.g. resonant circuits11%
H03KPulse technique11%
PatentTitleYear
5,896,333'Semiconductor memory testing apparatus'19995,757,708'Semiconductor memory testing apparatus'19985,615,157'Semiconductor memory testing apparatus'19975,566,129'Semiconductor memory device with address transition detector'19965,075,891'Memory with a variable impedance bit line load circuit'19915,006,738'Delay circuit for integrated circuit'19914,802,128'Bit line driver'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1999Patents assigned to SONY CORP (7)· patent assignee history
1989Based in Tokyo, JP· patent location history
1991Based in Kanagawa, JP· patent location history
1996–1998Based in Nagasaki, JP· patent location history
1999Based in Nasgasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 7 | 1989–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagasaki, JP | 3 | 1996–1998 |
| Kanagawa, JP | 2 | 1991 |
| Nasgasaki, JP | 1 | 1999 |
| Tokyo, JP | 1 | 1989 |