Inventor
Hiroshi Takehana
Inventor
Otsu, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B24Cprimary
B24CAbrasive or related blasting with particulate material25%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
A61KPreparations for medical, dental or toiletry purposes8%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations8%
C07CAcyclic or carbocyclic compounds8%
PatentTitleYear
5,924,912'Photosensitive resin composition for sandblast resist'19995,916,738'Photosensitive resin composition for sandblast resist'19995,756,261'Photosensitive resin composition for sandblast resist'19984,966,915'L-dopa derivatives or their acid addition salts, process for producing same and their use'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to BANYU PHARMA CO LTD (1)· patent assignee history
1990Based in Tokyo, JP· patent location history
1998–1999Patents assigned to MATSUSHITA ELECTRONICS CORP (3)· patent assignee history
1998–1999Patents assigned to TOKYO OHKA KOGYO CO LTD (3)· patent assignee history
1998–1999Based in Otsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRONICS CORP | 3 | 1998–1999 |
| TOKYO OHKA KOGYO CO LTD | 3 | 1998–1999 |
| BANYU PHARMA CO LTD | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Otsu, JP | 3 | 1998–1999 |
| Tokyo, JP | 1 | 1990 |