Inventor
Shuichi Niwa
Inventor
Ibaraki, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry23%
C07CAcyclic or carbocyclic compounds23%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals9%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds9%
C01BNon-metallic elements5%
C04BLime, magnesia5%
C07DHeterocyclic compounds5%
C08BPolysaccharides5%
C08LCompositions of macromolecular compounds5%
C12NMicroorganisms or enzymes5%
PatentTitleYear
6,911,563'Reaction method utilizing diaphram type catalyst and apparatus therefor'20055,780,102'Process for producing alumina with high specific surface area'19985,089,456'Process for preparing cordierite'19925,077,032'Method for controlling specific surface area of alumina'19914,781,858'Cyclodextrin-silica composite and a method for the preparation thereof'19884,495,373'Method for partial nuclear hydrogenation of aromatic hydrocarbon compounds and a hydrogenation catalyst therefor'19854,329,487'Method for the asymmetric hydrogenation of .alpha.-ketoesters'19824,271,327'Dehydrogenation of cyclohexanes'19814,221,678'Noble metal catalyst for dehydrogenation of cyclohexanes'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1998Patents assigned to AGENCY IND SCIENCE TECHN (8)· patent assignee history
1980–1981Based in Komae, JP· patent location history
1982–1988Based in Yatabe, JP· patent location history
1985–1991Based in Ibaraki, JP· patent location history
1991–1998Patents assigned to NISSAN MOTOR (2)· patent assignee history
1998Based in Ibaragi-ken, JP· patent location history
2005Patents assigned to NOK CORP (1)· patent assignee history
2005Based in Sendai, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AGENCY IND SCIENCE TECHN | 8 | 1980–1998 |
| NISSAN MOTOR | 2 | 1991–1998 |
| NOK CORP | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ibaraki, JP | 2 | 1985–1991 |
| Yatabe, JP | 2 | 1982–1988 |
| Komae, JP | 2 | 1980–1981 |
| Sendai, JP | 1 | 2005 |
| Ibaragi-ken, JP | 1 | 1998 |