Inventor
Yoshio Sugita
Inventor
Chiba, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds24%
G03GElectrography18%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages6%
A23GCocoa6%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for6%
B01DSeparation6%
C02FTreatment of water, waste water, sewage, or sludge6%
C07DHeterocyclic compounds6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
PatentTitleYear
6,367,285'Freeze-concentrating apparatus for aqueous solutions, ice pillar producing apparatus, and freeze-concentrating method for aqueous solutions'20025,403,958'Electrophotographic member'19955,352,834'Electrophotographic member'19945,160,487'Electrophotographic member'19924,831,189'Process for producing aromatic dicarboxylic acids'19894,814,462'Polyoxyalkylene carbozole adduct'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to NIPPON CATALYTIC CHEM IND (2)· patent assignee history
1989Patents assigned to NIHON JYORYU KOGYO CO LTD (1)· patent assignee history
1989Patents assigned to NIPPON JORYU KOGYO KK (1)· patent assignee history
1989–1995Based in Chiba, JP· patent location history
1992–1995Patents assigned to HITACHI CHEMICAL CO LTD (3)· patent assignee history
2002Patents assigned to FUJISAWA PHARMACEUTICAL CO (1)· patent assignee history
2002Based in Yamanashi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI CHEMICAL CO LTD | 3 | 1992–1995 |
| NIPPON CATALYTIC CHEM IND | 2 | 1989 |
| FUJISAWA PHARMACEUTICAL CO | 1 | 2002 |
| NIHON JYORYU KOGYO CO LTD | 1 | 1989 |
| NIPPON JORYU KOGYO KK | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 5 | 1989–1995 |
| Yamanashi, JP | 1 | 2002 |