Inventor

Takeru Higuchi

Inventor

Lawrence, KS, US

Overview

1976–1991

Patent span

Human necessities

Primary field (CPC A)

Patents· 54 as inventor

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

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes44%

A61FFilters implantable into blood vessels11%

C07DHeterocyclic compounds9%

G01NInvestigating or analysing materials by determining their chemical or physical properties6%

A61MDevices for introducing media into, or onto, the body5%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

A01GHorticulture2%

A01NPreservation of bodies of humans or animals or plants or parts thereof2%

A61DVeterinary instruments, implements, tools, or methods2%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations2%

PatentTitleYear

5,066,648'Pyroglutamic acid esters used as dermal penetration enhancers for drugs'1991 4,970,206'Pyroglutamic acid esters used as dermal penetration enhancers for drugs'1990 4,910,314'Polycyclic nitriles'1990 4,847,250'Pyroglutamic acid esters used as dermal penetration enhancers for drugs'1989 4,845,233'Imidazolin-2-ones'1989 4,837,166'Assaying method for primary amines using aromatic dialdehydes'1989 4,771,004'Method for in vitro determination of transdermal absorption'1988 4,762,851'Pyroglutamic acid esters used as dermal penetration enhancers for drugs'1988 4,758,436'Drug delivery device which can be retained in the stomach for a controlled period of time'1988 4,758,520'Chemiluminescence method for assaying compounds containing primary amino groups using 1-cyano-2-substituted benz(f)- or naphth(f)-isoindole fluorescers'1988 4,740,309'Methods and apparatus for determining the rate of movement of a study substance through a membrane'1988 4,723,022'Substituted 2,3-naphthalenedicarboxaldehydes'1988 4,685,918'Lipid osmotic pump'1987 4,677,131'Cyclic ureas as dermal penetration enhancers'1987 4,489,056'Acid anhydrides as rate controlling agent for the erosion of polymers which latter polymers have beneficial substances dispersed throughout their matrix or where the polymer matrix surrounds the beneficial substance'1984 4,478,822'Drug delivery system utilizing thermosetting gels'1984 4,474,752'Drug delivery system utilizing thermosetting gels'1984 4,474,751'Ophthalmic drug delivery system utilizing thermosetting gels'1984 4,474,753'Topical drug delivery system utilizing thermosetting gels'1984 4,470,980'Method of increasing oral absorption of .beta.-lactam antibiotics'1984 4,464,363'Ajuvants for rectal delivery of drug substances'1984 4,462,991'Method of increasing oral absorption of polar bioactive agents'1984 4,459,295'Method of increasing oral absorption of glycosidic and related antibiotics'1984 4,439,196'Osmotic drug delivery system'1984 4,406,896'Adjuvants for rectal delivery of drug substances'1983 4,386,103'Dichloroamino acid derivatives useful as potent germicidal and fungicidal agents'1983 4,285,947'Aldehyde adducts of triamterene'1981 4,252,790'Method for treating gastric ulcer-prone patients'1981 4,246,399'Complexes of doxorubicin exhibiting enhanced stability'1981 4,210,139'Osmotic device with compartment for governing concentration of agent dispensed from device'1980 4,188,951'Intrauterine system embracing selected copolymeric membranes for administering beneficial agent'1980 4,178,376'Method for inducing rapid therapeutically effective antimalarial levels of certain selected conventional antimalarials'1979 4,154,824'Nonbitter tasting potassium product for oral administration to warm-blooded animals and method for preparing same'1979 4,144,317'Device consisting of copolymer having acetoxy groups for delivering drugs'1979 4,085,214'Stable pro-drug forms of theophylline'1978 4,069,307'Drug-delivery device comprising certain polymeric materials for controlled release of drug'1978 4,057,619'Ocular therapeutic system with selected membranes for administering ophthalmic drug'1977 4,052,505'Ocular therapeutic system manufactured from copolymer'1977 4,034,756'Osmotically driven fluid dispenser'1977 4,016,251'Vaginal drug dispensing device'1977 4,002,756'Useful pro-drug forms of theophylline'1977 3,995,631'Osmotic dispenser with means for dispensing active agent responsive to osmotic gradient'1976 3,995,632'Osmotic dispenser'1976 3,995,635'Ocular insert'1976 3,993,071'Bioerodible ocular device'1976 3,986,510'Bioerodible ocular device'1976 3,981,303'Bioerodible ocular device'1976 3,968,245'Sympathomimetic topical and percutaneous administration with halogenated promoters'1976 3,962,447'Novel pro-drug derivatives of pyridinium aldoxime type cholinesterase reactivators and method of using same'1976 3,960,150'Bioerodible ocular device'1976 3,956,490'Administration of alkaline earth metal salts of salicylamide'1976 3,950,521'Administration of alkali metal salicylamide salts'1976 3,943,137'Acronycine derivatives'1976 3,935,196'Useful pro-drug forms of theophylline'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1980Patents assigned to ALZA CORP (16)· patent assignee history

1976–1984Patents assigned to INTERX RESEARCH CORP (14)· patent assignee history

1976–1991Based in Lawrence, KS, US· patent location history

1983–1991Patents assigned to MERCK & CO INC (16)· patent assignee history

1988–1990Patents assigned to OREAD LAB INC (4)· patent assignee history

1988–1989Patents assigned to IPRX INC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ALZA CORP	16	1976–1980
MERCK & CO INC	16	1983–1991
INTERX RESEARCH CORP	14	1976–1984
OREAD LAB INC	4	1988–1990
IPRX INC	3	1988–1989

Locations

Location	Patents	Span
Lawrence, KS, US	54	1976–1991