Inventor
Hiroshi Sumimura
Inventor
Osaka, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus19%
H01LSemiconductor devices15%
H10KOrganic electric solid-state devices15%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds12%
C09KMaterials for miscellaneous applications, not provided for elsewhere12%
Y10TTechnical subjects covered by former us classification12%
C08JWorking-up8%
C09JAdhesives4%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
PatentTitleYear
10,754,065Retardation film, circularly-polarizing plate, and image-displaying device202010,732,323Retardation film, circularly-polarizing plate, and image-displaying device202010,670,773Retardation film, circularly-polarizing plate, and image-displaying device202010,107,946Polarizing plate with a retardation layer and image display apparatus201810,036,840Circular polarizing plate and bendable display device2018Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018–2020Patents assigned to NITTO DENKO CORP (5)· patent assignee history
2018Based in Ibaraki, JP· patent location history
2020Patents assigned to MITSUBISHI CHEM CORP (3)· patent assignee history
2020Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NITTO DENKO CORP | 5 | 2018–2020 |
| MITSUBISHI CHEM CORP | 3 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 3 | 2020 |
| Ibaraki, JP | 2 | 2018 |