Inventor
Riki Matsuda
Inventor
Nagoya, 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 transducer44%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests31%
B41JTypewriters6%
B82YSpecific uses or applications of nanostructures6%
G03GElectrography6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
10,895,834Fixing device, and image forming apparatus20216,513,917'Liquid ejection device and method of producing the same'20035,748,421'Magnetic recording disk'19985,554,451'Optical data recording medium'19965,496,608'Optical recording medium'19965,199,024'Optical data storage medium having embedded tracking information'19935,095,478'Optical data storage medium having interference and flattening layers each having specific thickness for improved information reading and tracking reliability'19925,089,358'Optical recording medium'19924,807,204'Magneto-optical recording medium having pairs of mutually corresponding recording segments, and apparatus for recording information on the medium'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2003Patents assigned to BROTHER IND LTD (8)· patent assignee history
1989–2003Based in Nagoya, JP· patent location history
2021Patents assigned to MATSUDA RYOHEI (1)· patent assignee history
2021Patents assigned to RICOH CO LTD (1)· patent assignee history
2021Patents assigned to SHIMADA HIROYUKI (1)· patent assignee history
2021Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BROTHER IND LTD | 8 | 1989–2003 |
| MATSUDA RYOHEIself | 1 | 2021 |
| RICOH CO LTD | 1 | 2021 |
| SHIMADA HIROYUKI | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagoya, JP | 8 | 1989–2003 |
| Kanagawa, JP | 1 | 2021 |