Inventor
Nobuyuki Okamoto
Inventor
Tokyo, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television38%
G11BInformation storage based on relative movement between record carrier and transducer25%
G01RMeasuring electric variables13%
G09GArrangements or circuits for control of indicating devices using static means to present variable information13%
H03FAmplifiers13%
PatentTitleYear
5,825,577'Magnetic disk device for detecting a floating state of a magnetic head'19985,757,340'Amplifier with a second active element being cascode connected to a first active element and having a control electrode connected to a constant voltage'19985,333,019'Method of adjusting white balance of CRT display, apparatus for same, and television receiver'19945,214,509'Display device testing circuit using false video signal generator'19934,841,289'Interface circuit for adapting a multi-scan monitor to receive color display data from various types of computers'19894,660,110'Magnetic disk storage device with shroud enclosing disk assembly'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1998Patents assigned to HITACHI LTD (2)· patent assignee history
1987–1998Based in Odawara, JP· patent location history
1989–1998Patents assigned to SONY CORP (4)· patent assignee history
1989–1998Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 4 | 1989–1998 |
| HITACHI LTD | 2 | 1987–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 1989–1998 |
| Odawara, JP | 2 | 1987–1998 |