Inventor
Takayuki Asahina
Inventor
Shizuoka, JP
Overview
Patents· 5 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 transducer83%
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
PatentTitleYear
8,634,287'Method for manufacturing read-only optical disc medium and read-only optical disc medium'20147,969,855'Read-only optical disc medium and method of fabricating the same'20117,911,929'Optical disk read only memory'20116,541,748'Optical disk checkup/measuring apparatus'20035,495,456'Magneto-optical recording and reproducing apparatus having a laser driving circuit which superimposes a signal having a frequency at least double the maximum recording signal frequency'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2014Patents assigned to SONY CORP (3)· patent assignee history
1996–2014Based in Shizuoka, JP· patent location history
2014Patents assigned to ASAHINA TAKAYUKI (1)· patent assignee history
2014Patents assigned to KAWACHI HIDEO (1)· patent assignee history
2014Patents assigned to NAKANO JUN (1)· patent assignee history
2014Patents assigned to SAKAMOTO TETSUHIRO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 3 | 1996–2014 |
| ASAHINA TAKAYUKIself | 1 | 2014 |
| KAWACHI HIDEO | 1 | 2014 |
| NAKANO JUN | 1 | 2014 |
| SAKAMOTO TETSUHIRO | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shizuoka, JP | 5 | 1996–2014 |