Inventor
Tatsumi Nishijima
Inventor
Hiratsuka, JP
Overview
Patents· 12 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%
B41JTypewriters14%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
H01JElectric discharge tubes or discharge lamps7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
8,058,586'Plasma treatment apparatus and plasma treatment method'20117,513,602'Coating method, liquid supplying head and liquid supplying apparatus'20097,441,871'Liquid-repellent member, nozzle plate, liquid-jet head using the same, and liquid-jet apparatus'20085,982,719'Disc auto changer for recording or reproducing information on a desired disc of a plurality of discs in a magazine'19995,904,574'Process of making semiconductor device and improved semiconductor device'19995,862,119'Disc inclining/disc inverting mechanism in a disc storage/playback apparatus'19995,812,340'Magnetic tape recording and reproducing plug-in unit'19985,602,695'Cassette loading mechanism for recording and playback apparatus'19975,556,051'Tape cartridge having a front lid with a covering wall'19965,497,279'Tape cartridge and recording reproduction apparatus for the tape cartridge'19965,479,312'Tape cartridge system implementing variable sized tape cartridges designed for use on the same recording/reproducing apparatus'19955,291,351'Magnetic recording/reproducing apparatus'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1999Patents assigned to HITACHI LTD (8)· patent assignee history
1995–1997Patents assigned to HITACHI MAXELL (4)· patent assignee history
1995–1999Based in Hiratsuka, JP· patent location history
1996Based in Yokohama, JP· patent location history
1999–2011Patents assigned to SEIKO EPSON CORP (4)· patent assignee history
1999Based in Suwa, JP· patent location history
2008Based in Nagano, JP· patent location history
2009–2011Based in Chino, JP· patent location history
2011Patents assigned to NISHIJIMA TATSUMI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 8 | 1994–1999 |
| HITACHI MAXELL | 4 | 1995–1997 |
| SEIKO EPSON CORP | 4 | 1999–2011 |
| NISHIJIMA TATSUMIself | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hiratsuka, JP | 6 | 1995–1999 |
| Chino, JP | 2 | 2009–2011 |
| Nagano, JP | 1 | 2008 |
| Suwa, JP | 1 | 1999 |
| Yokohama, JP | 1 | 1996 |