Inventor

Keiji Fujioka

Inventor

Amagasaki, JP

Overview

1980–1998

Patent span

Human necessities

Primary field (CPC A)

Patents· 23 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes55%

A61MDevices for introducing media into, or onto, the body14%

B05BSpraying apparatus3%

B25JManipulators3%

B82YSpecific uses or applications of nanostructures3%

C07DHeterocyclic compounds3%

C12NMicroorganisms or enzymes3%

C12YEnzymes3%

F26BDrying solid materials or objects by removing liquid therefrom3%

G01NInvestigating or analysing materials by determining their chemical or physical properties3%

PatentTitleYear

5,851,547'Controlled release drug formulation of open end cylindrical rod form'1998 5,800,390'Equipment for intracerebral administration of preparations'1998 5,766,864'Method of measuring interferon acitivity'1998 5,496,559'Porous solid formulations containing proteinaceous physiologically active substances'1996 5,385,738'Sustained-release injection'1995 5,236,704'Controlled release formulation'1993 5,171,219'Pharmaceutical preparation administrator'1992 5,164,139'Method for drying wetted molded product'1992 5,081,156'Sustained-release preparation'1992 5,021,241'Long-term sustained-release preparation'1991 5,011,692'Sustained pulsewise release pharmaceutical preparation'1991 4,985,253'Sustained release composition for pharmaceutical substances comprising a silicone elastomer carrier'1991 4,963,529'Stable growth hormone releasing factor preparation'1990 4,950,234'Device for administering solid preparations'1990 4,900,304'Solid preparation administering instrument'1990 4,880,796'Antimicrobial preparation'1989 4,855,134'Sustained-release preparation'1989 4,849,141'Method for producing sustained release formulation'1989 4,774,091'Long-term sustained-release preparation'1988 4,582,845'Pharmaceutical composition for injection'1986 4,352,793'Pharmaceutical composition comprising bencyclane fumarate and cyclodextrin'1982 4,244,943'Method for preparing urokinase injection'1981 4,226,769'Process for preparing a solid preparation of a penicillin derivative'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1989Patents assigned to SUMITOMO CHEMICAL CO (4)· patent assignee history

1980–1998Based in Amagasaki, JP· patent location history

1982–1991Based in Ibaraki, JP· patent location history

1986–1998Patents assigned to SUMITOMO PHARMA (19)· patent assignee history

1989–1993Patents assigned to KOKEN KK (3)· patent assignee history

1990Patents assigned to NISSHO KK (1)· patent assignee history

1990–1998Based in Hyogo, JP· patent location history

1998Patents assigned to DOW CORNING ASIA LTD (1)· patent assignee history

1998Based in Toyonaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO PHARMA	19	1986–1998
SUMITOMO CHEMICAL CO	4	1980–1989
KOKEN KK	3	1989–1993
DOW CORNING ASIA LTD	1	1998
NISSHO KK	1	1990

Locations

Location	Patents	Span
Amagasaki, JP	16	1980–1998
Ibaraki, JP	4	1982–1991
Hyogo, JP	2	1990–1998
Toyonaka, JP	1	1998