Inventor
Yasuko Hirano
Inventor
Nagano, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters18%
B41MPrinting, duplicating, marking, or copying processes12%
B42DBooks12%
G01NInvestigating or analysing materials by determining their chemical or physical properties12%
G07DHandling of coins or valuable papers, e.g. testing, sorting by denominations, counting, dispensing, changing or depositing12%
G09FDisplaying12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
Y10TTechnical subjects covered by former us classification12%
PatentTitleYear
7,871,156'Ink cartridge for ink-jet printing apparatus'20117,601,417'Recorded matter having countermeasure against forging'20097,408,630'Recorded article with anti-counterfeit measures'20087,300,142'Ink cartridge for ink-jet printing apparatus'20076,755,515'Ink cartridge for ink-jet printing apparatus'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2011Patents assigned to SEIKO EPSON CORP (5)· patent assignee history
2004–2011Based in Nagano, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO EPSON CORP | 5 | 2004–2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagano, JP | 5 | 2004–2011 |