Inventor
Katsuhiko Takahashi
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television15%
G08BSignalling systems, e.g. personal calling systems12%
G06KGraphical data reading9%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes9%
G06VImage or video recognition or understanding9%
H04MTelephonic communication9%
G06TImage data processing or generation, in general6%
G11BInformation storage based on relative movement between record carrier and transducer6%
A42BHats3%
G01SRadio direction-finding3%
PatentTitleYear
11,003,929Helmet wearing determination method, helmet wearing determination system, helmet wearing determination apparatus, and program202110,977,916Surveillance system, surveillance network construction method, and program202110,972,706Surveillance system, surveillance method, and program202110,950,002Information processing apparatus, control method, and program202110,931,923Surveillance system, surveillance network construction method, and program202110,887,561Surveillance system, surveillance method, and program20215,909,343'Magnetic head and method for producing the same'19995,883,766'Magnetic head with groove positioned to identify head orientation'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Patents assigned to SONY CORP (2)· patent assignee history
1999Based in Miyagi, JP· patent location history
2021Patents assigned to NEC CORP (6)· patent assignee history
2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 6 | 2021 |
| SONY CORP | 2 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 2021 |
| Miyagi, JP | 2 | 1999 |