Inventor
Toshiaki Senda
Inventor
Saitama, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing68%
B43LArticles for writing or drawing upon11%
G06KGraphical data reading11%
G09BEducational or demonstration appliances5%
G09FDisplaying5%
PatentTitleYear
10,102,267Method and apparatus for access control2018RE035329'Electronic blackboard and accessories such as writing tools'1996RE034187'Coordinates input system'19935,134,689'Coordinate input system and input implement used in the system'19925,134,388'Electronic blackboard system marker and eraser therefor'1992RE033805'Coordinates input apparatus'19925,028,745'Position detecting apparatus'19915,023,408'Electronic blackboard and accessories such as writing tools'19914,988,837'Position detecting device'19914,948,926'Position detecting apparatus'19904,902,858'Coordinates input apparatus'19904,878,553'Position detecting apparatus'19894,786,765'Coordinates input system'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1996Patents assigned to WACOM CO LTD (9)· patent assignee history
1988–1991Based in Okegawa, JP· patent location history
1990Patents assigned to WAKOMU KK (1)· patent assignee history
1990–1996Based in Saitama, JP· patent location history
2018Patents assigned to FUJITSU LTD (1)· patent assignee history
2018Based in Akashi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WACOM CO LTD | 9 | 1988–1996 |
| FUJITSU LTD | 1 | 2018 |
| WAKOMU KK | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 8 | 1990–1996 |
| Okegawa, JP | 4 | 1988–1991 |
| Akashi, JP | 1 | 2018 |