Inventor
Keishi Iwasaki
Inventor
Osaka, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus40%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them27%
H04NPictorial communication, e.g. television20%
G11BInformation storage based on relative movement between record carrier and transducer13%
PatentTitleYear
10,247,903Lens barrel and imaging device20197,920,345'Lens barrel supporting frame, lens retaining structure, lens barrel and camera'20117,796,878'Lens barrel and imaging device including lens barrel'20107,787,193'Imaging device and camera'20107,746,584'Lens barrel supporting frame, lens retaining structure, lens barrel and camera'20107,620,306'Lens barrel and imaging device'20096,867,945'Cassette loading device'20056,205,006'Magnetic recording and reproducing apparatus with a rotary head cylinder unit supported with a predetermined pressure'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2005Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history
2001Based in Mino, JP· patent location history
2005–2019Based in Osaka, JP· patent location history
2009–2011Patents assigned to PANASONIC CORP (5)· patent assignee history
2019Patents assigned to PANASONIC IP MAN CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PANASONIC CORP | 5 | 2009–2011 |
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 2 | 2001–2005 |
| PANASONIC IP MAN CO LTD | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 7 | 2005–2019 |
| Mino, JP | 1 | 2001 |