Inventor
Takashi Izuka
Inventor
Kanagawa, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer57%
LOC1043%
PatentTitleYear
D0762126'Wrist watch'2016D0754550'Wrist watch case'2016D0599218'Wrist watch case with band'20097,539,096'Disc playback apparatus and method'20096,052,358'Head feeding mechanism and optical pick-up feeding mechanism'20005,666,235'Objective lens driving device and optical pickup unit employing this objective lens driving device'19975,555,228'An optical head having a vertical flat plate shaped magnetic circuit containing a tracking coil and a focusing coil'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2009Patents assigned to SONY CORP (4)· patent assignee history
1996–2009Based in Kanagawa, JP· patent location history
2009Patents assigned to CHENG CHIN HOI BENJAMIN (1)· patent assignee history
2009Patents assigned to IZUKA TAKASHI (1)· patent assignee history
2009Based in Nishitokyo-shi, JP· patent location history
2016Patents assigned to CITIZEN HOLDINGS CO LTD (2)· patent assignee history
2016Patents assigned to CITIZEN WATCH CO LTD (2)· patent assignee history
2016Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 4 | 1996–2009 |
| CITIZEN HOLDINGS CO LTD | 2 | 2016 |
| CITIZEN WATCH CO LTD | 2 | 2016 |
| CHENG CHIN HOI BENJAMIN | 1 | 2009 |
| IZUKA TAKASHIself | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 4 | 1996–2009 |
| Tokyo, JP | 2 | 2016 |
| Nishitokyo-shi, JP | 1 | 2009 |