Inventor
Tsukasa Yamauchi
Inventor
Yokohama, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Tprimary
G06TImage data processing or generation, in general25%
H04MTelephonic communication17%
G06FElectric digital data processing8%
G06KGraphical data reading8%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes8%
G06VImage or video recognition or understanding8%
H03KPulse technique8%
H04NPictorial communication, e.g. television8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
9,648,286'Video monitoring system, video monitoring method, and video monitoring system building method'20175,852,447'Character and figure transforming system'19985,781,731'Schedule management support system'19985,687,221'Information processing apparatus having speech and non-speech communication functions'19975,539,868'Character and figure transferring system'19965,247,610'Method and apparatus for generating graphics'19934,176,288'Zero voltage switching solid state relay'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–2017Patents assigned to HITACHI LTD (7)· patent assignee history
1979Based in Hitachi, JP· patent location history
1993Based in Kanagawa, JP· patent location history
1996–1998Based in Yokohama, JP· patent location history
2017Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 7 | 1979–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 4 | 1996–1998 |
| Tokyo, JP | 1 | 2017 |
| Kanagawa, JP | 1 | 1993 |
| Hitachi, JP | 1 | 1979 |