Inventor

Katsumasa Kuroiwa

Inventor

Koriyama, JP

Overview

28→

Patents

1976–1998

Patent span

Chemistry

Primary field (CPC C)

Patents· 28 as inventor

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

C12Qprimary

C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms26%

C07KPeptides19%

G01NInvestigating or analysing materials by determining their chemical or physical properties17%

Y02PClimate change mitigation technologies in the production or processing of goods12%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

C07CAcyclic or carbocyclic compounds5%

A61KPreparations for medical, dental or toiletry purposes4%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%

C07HSugars1%

PatentTitleYear

5,719,030'Monoclonal antibody to prostate-derived acid phosphatase and method for determination of acid phosphatase using the same as well as kit for determination'1998 5,508,385'Tripeptide derivatives containing pyroglutamic acid residue'1996 5,416,238'L-argininal acetal derivatives and a process for production thereof'1995 5,399,488'Method for assaying enzyme activity using N-acetyl-.beta.-D-glucosamine derivatives'1995 5,227,291'Method for determination of acid phosphatase activity using 4-acyl-2, 6-dihalophenyl phosphoric acid derivatives'1993 5,153,176'Tripeptide derivatives and protease inhibitor composition comprising the same'1992 5,151,372'Method for determination of hydroxyacetophenone derivatives'1992 5,116,941'Peptide substrates for determination of enzyme activity'1992 5,115,099'Substrates for determination of enzyme activity and intermediates for synthesis of the substrates as well as process for producing the intermediates'1992 5,081,274'4-acyl-2,6-dihalophenyl-phosphoric acid derivatives useful in the determination of acid phosphatase activity'1992 5,063,152'Synthetic peptidic substrate for determination of trypsin and .alpha..sub.1'1991 4,894,438'Synthetic peptidic substrate for determination of trypsin and .alpha..sub.1'1990 4,883,863'Tripeptide derivatives and antiplasmin agents containing the same'1989 4,861,713'Novel method for determining cholinesterase activity'1989 4,816,562'Novel substrate for plasma kallikrein and a method for measuring biological components using the same'1989 4,717,659'Novel method for determining cholinesterase activity'1988 4,650,753'Novel substrates for use in measuring the concentration of kallikrein in urine'1987 4,622,389'Novel substrate for determining the activity of blood coagulation factor Xa (Stuart-Prower factor)'1986 4,605,614'Method for measuring plasmin'1986 4,584,398'Arginyl-3-carboxy-4-hydroxyanilide'1986 4,564,695'Process for producing arginyl-p-nitroanilide'1986 4,520,100'Method for measuring thrombin'1985 4,452,736'Substrates for measuring plasmin'1984 4,450,105'Substrates for measuring thrombin'1984 4,336,331'Method for assaying the activity of .gamma.-glutamyl transpeptidase in serum'1982 4,281,181'Novel L-.gamma.-glutamyl-3-carboxy-4-hydroxyanilide and salts thereof'1981 4,209,459'Novel L-leucyl-4-hydroxyanilide derivatives'1980 3,972,773'Process for producing peptide'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to SAGAMI CHEM RES (1)· patent assignee history

1976–1998Based in Koriyama, JP· patent location history

1980–1998Patents assigned to NITTO BOSEKI CO LTD (26)· patent assignee history

1980Patents assigned to IATRON LAB (1)· patent assignee history

1986Patents assigned to NITTO POSEKI CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NITTO BOSEKI CO LTD	26	1980–1998
IATRON LAB	1	1980
NITTO POSEKI CO LTD	1	1986
SAGAMI CHEM RES	1	1976

Locations

Location	Patents	Span
Koriyama, JP	28	1976–1998