Inventor
Kouya Kojima
Inventor
Urayasu, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Cprimary
A61CDentistry14%
A61KPreparations for medical, dental or toiletry purposes10%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds10%
G02BOptical elements, systems or apparatus10%
A61LMethods or apparatus for sterilising materials or objects in general7%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering7%
C07CAcyclic or carbocyclic compounds7%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%
C08LCompositions of macromolecular compounds7%
G02CSpectacles7%
PatentTitleYear
10,973,742Photocurable composition, denture base, and plate denture202110,562,995Photocurable composition, denture base, and plate denture202010,206,762Material for denture base, denture base, method of manufacturing the denture base, plate denture, and method of manufacturing the plate denture201910,117,731Material for denture base, denture base, method of manufacturing the denture base, plate denture, and method of manufacturing the plate denture201810,066,081Polymerizable composition for optical materials20189,933,635Optical material, composition for optical material, and use thereof20189,857,503'Optical material and use thereof'20189,708,260'Method for producing meta-xylylenediamines and method for producing bisamide compound'20179,670,148'Method for producing meta-xylylenediisocyanates'20175,950,795'Exact change coin collection device'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Patents assigned to SHOWA YUEN KABUSHIKI KAISHA (1)· patent assignee history
1999Patents assigned to YUEN GAISHA CHERRY SERVICES (1)· patent assignee history
1999Based in Tokyo, JP· patent location history
2017–2021Patents assigned to MITSUI CHEMICALS INC (9)· patent assignee history
2017–2021Based in Urayasu, JP· patent location history
2018–2019Patents assigned to NITTO JUSHI KOGYO CO LTD (2)· patent assignee history
2018Patents assigned to YAMAMOTO CHEMICALS INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUI CHEMICALS INC | 9 | 2017–2021 |
| NITTO JUSHI KOGYO CO LTD | 2 | 2018–2019 |
| SHOWA YUEN KABUSHIKI KAISHA | 1 | 1999 |
| YAMAMOTO CHEMICALS INC | 1 | 2018 |
| YUEN GAISHA CHERRY SERVICES | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Urayasu, JP | 9 | 2017–2021 |
| Tokyo, JP | 1 | 1999 |