Inventor
Yasuhiko Hirayama
Inventor
Tokyo, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Fprimary
A61FFilters implantable into blood vessels28%
A61LMethods or apparatus for sterilising materials or objects in general24%
A61KPreparations for medical, dental or toiletry purposes12%
C01BNon-metallic elements8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
A61CDentistry4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
C04BLime, magnesia4%
C23CCoating metallic material4%
H01HElectric switches4%
PatentTitleYear
RE034037'Support for biomedical implant device'19925,128,146'Apatite coated article and process for producing the same'19925,089,195'Method for producing calcium phosphate-based material'19925,017,518'Process for producing calcium phosphate ceramics having porous surface'19914,957,674'Method for producing calcium phosphate-based material'19904,946,378'Artificial intervertebral disc'19904,798,585'Support for biomedical implant device'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1992Patents assigned to ASAHI OPTICAL CO LTD (6)· patent assignee history
1989–1992Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ASAHI OPTICAL CO LTD | 6 | 1989–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 1989–1992 |