Inventor
Takayuki Okawa
Inventor
Tokyo, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC14primary
LOC1425%
G02BOptical elements, systems or apparatus13%
G01RMeasuring electric variables8%
LOC038%
LOC138%
B41MPrinting, duplicating, marking, or copying processes4%
B44FSpecial designs or pictures4%
B82YSpecific uses or applications of nanostructures4%
D21HPulp compositions4%
H01FMagnets4%
PatentTitleYear
D0891496Autonomous mobile robot2020D0804185'Set of handles for a shopping basket with data reader'2017D0801049'Shopping basket with data reader'2017D0781792'Dimmer switch'2017D0781245'Dimmer switch'2017D0780737'Telephone handset'2017D0776740'Camera'20178,482,277'Surge current detection device'20138,410,773'Surge current detection device'2013D0634296'Telephone base unit'2011D0596611'Telephone base unit'2009D0582383'Telephone base unit'2008D0579011'Set of key buttons'2008D0574355'Telephone handset'20086,612,751'Optical repeating device with monitoring function'20034,810,562'Image changeable sheet with water'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Based in Fuji, JP· patent location history
2003–2013Patents assigned to SANKOSHA CO LTD (3)· patent assignee history
2003–2020Based in Tokyo, JP· patent location history
2008–2011Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (3)· patent assignee history
2008–2011Based in Kadoma, JP· patent location history
2013Patents assigned to OKAWA TAKAYUKI (2)· patent assignee history
2013Patents assigned to OUCHI TAKUYA (2)· patent assignee history
2017–2020Patents assigned to PANASONIC IP MAN CO LTD (7)· patent assignee history
2017Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PANASONIC IP MAN CO LTD | 7 | 2017–2020 |
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 3 | 2008–2011 |
| SANKOSHA CO LTD | 3 | 2003–2013 |
| OKAWA TAKAYUKIself | 2 | 2013 |
| OUCHI TAKUYA | 2 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 2003–2020 |
| Kadoma, JP | 5 | 2008–2011 |
| Osaka, JP | 4 | 2017 |
| Fuji, JP | 1 | 1989 |