Inventor
Yuichiro Tomishima
Inventor
Yokohama, JP
Overview
Patents· 16 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 transducer37%
G03GElectrography22%
B41JTypewriters7%
G01BMeasuring length, thickness or similar linear dimensions7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems7%
H05BElectric heating7%
H04NPictorial communication, e.g. television4%
PatentTitleYear
10,948,863Image forming apparatus and method for image forming202110,705,461Image forming device and method202010,671,007Image forming apparatus and method for image forming202010,234,802Image forming device and method20199,723,165'Image forming apparatus'20179,046,848'Image forming apparatus and color registration method of the same'20157,411,886'Device and method of recording information on an optical disc'20087,057,989'Device and method of recording information on an optical disc'20066,999,402'Device and method of recording information on an optical disc'20066,791,923'Device and method of recording information on an optical disc'20046,636,469'Method for adjusting the rotation speed of a disk to reduce errors caused by disk unbalance'20036,324,140'Eccentric disk detection apparatus for an optical disk device'20016,295,254'Seek control method for a disk device used for reading/writing data from and to a disk recording medium'20016,032,276'Apparatus and method for reading data from a disk type recording media'20005,926,447'Method for enhancing the data access time in an optical disc apparatus'19995,691,968'Optical disk unit'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997Patents assigned to ALPS ELECTRIC CO LTD (1)· patent assignee history
1999–2015Patents assigned to SAMSUNG ELECTRONICS CO LTD (10)· patent assignee history
1999–2003Based in Sendai, JP· patent location history
2001Based in Tomiya, JP· patent location history
2004–2008Based in Miyagi, JP· patent location history
2006Based in Kurokawa-gun, JP· patent location history
2015–2021Based in Yokohama, JP· patent location history
2017–2019Patents assigned to S PRINTING SOLUTION CO LTD (2)· patent assignee history
2019–2020Patents assigned to HP PRINTING KOREA CO LTD (2)· patent assignee history
2020–2021Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAMSUNG ELECTRONICS CO LTD | 10 | 1999–2015 |
| HEWLETT PACKARD DEVELOPMENT CO | 3 | 2020–2021 |
| HP PRINTING KOREA CO LTD | 2 | 2019–2020 |
| S PRINTING SOLUTION CO LTD | 2 | 2017–2019 |
| ALPS ELECTRIC CO LTD | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 6 | 2015–2021 |
| Sendai, JP | 4 | 1999–2003 |
| Miyagi, JP | 3 | 2004–2008 |
| Kurokawa-gun, JP | 1 | 2006 |
| Tomiya, JP | 1 | 2001 |