Inventor
Takuo Ohishi
Inventor
Kanagawa, JP
Overview
Patents· 9 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 transducer45%
Y10TTechnical subjects covered by former us classification25%
B41MPrinting, duplicating, marking, or copying processes20%
H04NPictorial communication, e.g. television5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
8,270,271'Optical recording medium and information recording method'20127,725,004'Information recorder, information recording medium, and information recording method'20107,410,681'Optical information recording medium'20087,403,457'Method and apparatus for recording information with a multi-layer structure'20087,160,589'Optical information recording medium'20076,960,421'Optical recording medium and fabricating method thereof'20056,818,272'Optical information recording medium'20046,649,240'Optical information recording medium'20036,562,432'Optical recording medium and method of manufacturing the optical recording medium'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2010Patents assigned to RICOH KK (8)· patent assignee history
2003–2012Based in Kanagawa, JP· patent location history
2012Patents assigned to MATSUBA TAKANOBU (1)· patent assignee history
2012Patents assigned to OGAWA IPPEI (1)· patent assignee history
2012Patents assigned to OHISHI TAKUO (1)· patent assignee history
2012Patents assigned to RICOH CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 8 | 2003–2010 |
| MATSUBA TAKANOBU | 1 | 2012 |
| OGAWA IPPEI | 1 | 2012 |
| OHISHI TAKUOself | 1 | 2012 |
| RICOH CO LTD | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 9 | 2003–2012 |