Inventor
SHINTARO YAMADA
Inventor
US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices20%
C09DCoating compositions, e.g. paints, varnishes or lacquers17%
C08LCompositions of macromolecular compounds11%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1011%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%
C07CAcyclic or carbocyclic compounds5%
G02BOptical elements, systems or apparatus3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
G03GElectrography3%
PatentTitleYear
12,572,073Photoresist underlayer composition202612,411,409Aromatic underlayer202512,379,660Adhesion promoting photoresist underlayer composition202512,313,971Coated underlayer for overcoated photoresist202512,287,576Underlayer compositions and patterning methods202512,099,300Aromatic underlayer202411,940,732Coating compositions and methods of forming electronic devices202411,921,453Image forming apparatus202411,868,064Image forming apparatus with a toner conveying device having a reverse-flow conveying portion202411,860,464Optical stack and liquid crystal display apparatus202411,817,316Coating compositions and methods of forming electronic devices202311,762,294Coating composition for photoresist underlayer202311,733,609Silicon-containing underlayers202311,698,548Liquid crystal display apparatus comprising a light scattering film having a functional layer containing light scattering particles202311,658,467Busbar connecting device202311,506,979Method using silicon-containing underlayers202211,360,387Silicon-containing underlayers202211,251,589Gas-insulated switching device202211,175,581Aromatic resins for underlayers2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2026Patents assigned to ROHM & HAAS ELECT MAT (12)· patent assignee history
2021–2026Based in US· patent location history
2022–2023Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history
2022–2024Based in JP· patent location history
2023–2024Patents assigned to SAKAI DISPLAY PRODUCTS CORP (2)· patent assignee history
2024Patents assigned to RICOH CO LTD (2)· patent assignee history
2025–2026Patents assigned to DUPONT ELECTRONIC MAT INTERNATIONAL LLC (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROHM & HAAS ELECT MAT | 12 | 2021–2026 |
| DUPONT ELECTRONIC MAT INTERNATIONAL LLC | 4 | 2025–2026 |
| MITSUBISHI ELECTRIC CORP | 2 | 2022–2023 |
| RICOH CO LTD | 2 | 2024 |
| SAKAI DISPLAY PRODUCTS CORP | 2 | 2023–2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 13 | 2021–2026 |
| JP | 6 | 2022–2024 |