Inventor
Mitsuhisa Nakagawa
Inventor
Kanagawa, 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. television33%
G06FElectric digital data processing13%
G09GArrangements or circuits for control of indicating devices using static means to present variable information13%
H04LTransmission of digital information, e.g. telegraphic communication13%
G06TImage data processing or generation, in general7%
H04MTelephonic communication7%
H04WWireless communication networks7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
11,057,456Memory system202110,931,917Transmission terminal, transmission method, and computer-readable recording medium storing transmission program20216,618,502'Color image processing method and apparatus'20036,459,447'Video signal transmission device'20025,220,252'Focus voltage correction circuit for cathode ray tubes'19934,961,031'Focus voltage regulation circuit for cathode ray tubes'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1993Patents assigned to NIPPON CHEMICON (2)· patent assignee history
1990Based in Ome, JP· patent location history
1993Based in Tokyo, JP· patent location history
2002–2003Patents assigned to FUJI PHOTO OPTICAL CO LTD (2)· patent assignee history
2002–2021Based in Kanagawa, JP· patent location history
2003Based in Kangawa, JP· patent location history
2021Patents assigned to RICOH CO LTD (1)· patent assignee history
2021Patents assigned to TOSHIBA MEMORY CORP (1)· patent assignee history
2021Based in Sagamihara, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI PHOTO OPTICAL CO LTD | 2 | 2002–2003 |
| NIPPON CHEMICON | 2 | 1990–1993 |
| RICOH CO LTD | 1 | 2021 |
| TOSHIBA MEMORY CORP | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 2 | 2002–2021 |
| Sagamihara, JP | 1 | 2021 |
| Kangawa, JP | 1 | 2003 |
| Tokyo, JP | 1 | 1993 |
| Ome, JP | 1 | 1990 |