Inventor
Toshiki Okayasu
Inventor
Kawasaki, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification30%
B29DProducing particular articles from plastics or from substances in a plastic state20%
G02BOptical elements, systems or apparatus20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
B41MPrinting, duplicating, marking, or copying processes10%
PatentTitleYear
8,896,923'Corrugated pattern forming sheet, and methods for manufacturing antireflector, retardation plate, original process sheet plate, and optical element'20147,736,551'Corrugated pattern forming sheet and method for manufacturing the same, and method for manufacturing antireflector, retardation plate, original process sheet plate, and optical element'20105,952,104'Ink jet recording material'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2010Patents assigned to OJI PAPER CO (2)· patent assignee history
1999–2014Based in Kawasaki, JP· patent location history
2014Patents assigned to OJI HOLDINGS CORP (1)· patent assignee history
2014Patents assigned to OKAYASU TOSHIKI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OJI PAPER CO | 2 | 1999–2010 |
| OJI HOLDINGS CORP | 1 | 2014 |
| OKAYASU TOSHIKIself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 3 | 1999–2014 |