Inventor
Akio Iwama
Inventor
Osaka, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation30%
Y10TTechnical subjects covered by former us classification15%
C08LCompositions of macromolecular compounds12%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%
A61LMethods or apparatus for sterilising materials or objects in general6%
C11BProducing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
A61FFilters implantable into blood vessels3%
C07CAcyclic or carbocyclic compounds3%
C09JAdhesives3%
PatentTitleYear
7,431,985'Medical pressure-sensitive adhesive composition, process for producing the same, and medical tape'20086,203,900'Pressure sensitive adhesive sheet for detection of microorganism and method for detection of microorganism'20015,078,755'Method of removing dissolved gas from liquid'19924,964,887'Process for separating methane using permeable membrane'19904,787,981'Process for purification of crude glyceride oil compositions'19884,618,534'Composite membrane and process for producing the same'19864,590,098'Process for producing composite membrane'19864,529,793'Selective permeable membranes comprising a polyquinazolone-based polymer'19854,414,157'Process for the purification of crude glyceride oil compositions'19834,410,568'Process for preparing selective permeable membrane'19834,385,084'Process for preparing a selective permeable membrane'19834,358,378'Selective permeable membranes and process for preparing the same'19824,240,914'Selective permeable membrane and process for preparing the same'19804,102,807'Hydrous gel and process for its preparation'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1988Patents assigned to NITTO ELECTRIC IND CO (10)· patent assignee history
1978–2001Based in Ibaraki, JP· patent location history
1980Based in Ibaragi, JP· patent location history
1983–1992Based in Osaka, JP· patent location history
1988Patents assigned to RINORU OIL MILLS CO (1)· patent assignee history
1990–2001Patents assigned to NITTO DENKO CORP (3)· patent assignee history
2008Patents assigned to LINTEC CORP (1)· patent assignee history
2008Patents assigned to PIAC CO LTD (1)· patent assignee history
2008Based in Otsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NITTO ELECTRIC IND CO | 10 | 1978–1988 |
| NITTO DENKO CORP | 3 | 1990–2001 |
| LINTEC CORP | 1 | 2008 |
| PIAC CO LTD | 1 | 2008 |
| RINORU OIL MILLS CO | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 9 | 1983–1992 |
| Ibaraki, JP | 3 | 1978–2001 |
| Otsu, JP | 1 | 2008 |
| Ibaragi, JP | 1 | 1980 |