Inventor
Takafumi Kasumi
Inventor
Ibaraki, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C12Nprimary
C12NMicroorganisms or enzymes25%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%
C07HSugars13%
C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms13%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%
PatentTitleYear
6,960,458'Erythrose reductase, its cDNA and cell which the cDNA express'20055,877,311'Process for isomerization of compound of aldose structure into compound of ketose structure, and isomerization agent or accelerator used therin'19995,679,787'Process for isomerization of compound of aldose structure into compound of ketose structure, and isomerization agent or accelerator used therein'19975,036,011'Novel Aureobasidium sp. microorganisms and method for obtaining the same, and method for preparing erythritol with the same'19914,939,091'Novel auerobasidium sp. microorganisms, method for obtaining the same and method for preparing erythritol with the same'19904,001,082'Method of isomerizing glucose with enzyme immobilized within microbial cell'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1991Patents assigned to NAT FOOD RES (3)· patent assignee history
1977Based in Tokyo, JP· patent location history
1990–1991Patents assigned to NIKKEN CHEMICALS CO LTD (2)· patent assignee history
1990Based in Sakura, JP· patent location history
1991–1999Based in Ibaraki, JP· patent location history
1997–1999Patents assigned to NAT FOOD RESEARCH INST MINISTR (2)· patent assignee history
1997Patents assigned to ASAI ERMANIUM RESEARCH INST CO (1)· patent assignee history
1999Patents assigned to ASAI GERMANIUM RES INST (1)· patent assignee history
2005Based in Ushiku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NAT FOOD RES | 3 | 1977–1991 |
| NAT FOOD RESEARCH INST MINISTR | 2 | 1997–1999 |
| NIKKEN CHEMICALS CO LTD | 2 | 1990–1991 |
| ASAI ERMANIUM RESEARCH INST CO | 1 | 1997 |
| ASAI GERMANIUM RES INST | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ibaraki, JP | 3 | 1991–1999 |
| Ushiku, JP | 1 | 2005 |
| Sakura, JP | 1 | 1990 |
| Tokyo, JP | 1 | 1977 |