Inventor
Yoshiaki Kuraishi
Inventor
Tokyo, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Mprimary
H03MCoding50%
H03HImpedance networks, e.g. resonant circuits25%
G01RMeasuring electric variables13%
H10DInorganic electric semiconductor devices13%
PatentTitleYear
4,888,587'Oversampling A/D converter with two capicitor arrays'19894,876,544'Oversampling A/D converter comprising an additional capacitor switched in synchronism with switchin of an input capacitor'19894,843,393'D/A converter'19894,623,854'Switched capacitor filter'19864,571,502'Full wave rectifier having an operational amplifier'19864,498,063'Switched capacitor filter having a reduced capacitance'19854,364,006'Reference voltage generator for use in an A/D or D/A converter'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1986Patents assigned to NIPPON ELECTRIC CO (3)· patent assignee history
1982–1989Based in Tokyo, JP· patent location history
1985–1986Patents assigned to NIPPON TELEGRAPH & TELEPHONE (2)· patent assignee history
1986–1989Patents assigned to NEC CORP (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 4 | 1986–1989 |
| NIPPON ELECTRIC CO | 3 | 1982–1986 |
| NIPPON TELEGRAPH & TELEPHONE | 2 | 1985–1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 1982–1989 |