Katsumasa Kuroiwa

Person

Koriyama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Monoclonal antibody to prostate-derived acid phosphatase and method...
- Patent number 5,719,030
- Issue date Feb 17, 1998
- Nitto Boseki Co., Ltd.
- Katsumasa Kuroiwa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tripeptide derivatives containing pyroglutamic acid residue
- Patent number 5,508,385
- Issue date Apr 16, 1996
- Nitto Boseki Co., Ltd.
- Yoshihito Abe
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
L-argininal acetal derivatives and a process for production thereof
- Patent number 5,416,238
- Issue date May 16, 1995
- Nitto Boseki Co., Ltd.
- Yoshihito Abe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for assaying enzyme activity using N-acetyl-.beta.-D-glucosa...
- Patent number 5,399,488
- Issue date Mar 21, 1995
- Nitto Boseki Co., Ltd.
- Katsumasa Kuroiwa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for determination of acid phosphatase activity using 4-acyl-...
- Patent number 5,227,291
- Issue date Jul 13, 1993
- Nitto Boseki Co., Ltd.
- Katsumasa Kuroiwa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tripeptide derivatives and protease inhibitor composition comprisin...
- Patent number 5,153,176
- Issue date Oct 6, 1992
- Nitto Boseki Co., Ltd.
- Yoshihito Abe
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for determination of hydroxyacetophenone derivatives
- Patent number 5,151,372
- Issue date Sep 29, 1992
- Nitto Boseki Co., Ltd.
- Katsumasa Kuroiwa
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Peptide substrates for determination of enzyme activity
- Patent number 5,116,941
- Issue date May 26, 1992
- Nitto Boseki Co., Ltd.
- Shuichi Nakatsuyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substrates for determination of enzyme activity and intermediates f...
- Patent number 5,115,099
- Issue date May 19, 1992
- Nitto Boseki Co., Ltd.
- Katsumasa Kuroiwa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-acyl-2,6-dihalophenyl-phosphoric acid derivatives useful in the d...
- Patent number 5,081,274
- Issue date Jan 14, 1992
- Nitto Boseki Co., Ltd.
- Katsumasa Kuroiwa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthetic peptidic substrate for determination of trypsin and .alph...
- Patent number 5,063,152
- Issue date Nov 5, 1991
- Nitto Boseki Co., Ltd.
- Takeshi Nagasawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthetic peptidic substrate for determination of trypsin and .alph...
- Patent number 4,894,438
- Issue date Jan 16, 1990
- Nitto Boseki Co., Ltd.
- Takeshi Nagasawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tripeptide derivatives and antiplasmin agents containing the same
- Patent number 4,883,863
- Issue date Nov 28, 1989
- Nitto Boseki Co., Ltd.
- Yoshihito Abe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel method for determining cholinesterase activity
- Patent number 4,861,713
- Issue date Aug 29, 1989
- Nitto Boseki Co., Ltd.
- Katsumasa Kuroiwa
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Novel substrate for plasma kallikrein and a method for measuring bi...
- Patent number 4,816,562
- Issue date Mar 28, 1989
- Nitto Boseki Co., Ltd.
- Takeshi Nagasawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel method for determining cholinesterase activity
- Patent number 4,717,659
- Issue date Jan 5, 1988
- Nitto Boseki Co., Ltd.
- Katsumasa Kuroiwa
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Novel substrates for use in measuring the concentration of kallikre...
- Patent number 4,650,753
- Issue date Mar 17, 1987
- Nitto Boseki Co., Ltd.
- Takeshi Nagasawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel substrate for determining the activity of blood coagulation f...
- Patent number 4,622,389
- Issue date Nov 11, 1986
- Nitto Poseki Co., Ltd.
- Takeshi Nagasawa
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method for measuring plasmin
- Patent number 4,605,614
- Issue date Aug 12, 1986
- Nitto Boseki Co., Ltd.
- Takeshi Nagasawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Arginyl-3-carboxy-4-hydroxyanilide
- Patent number 4,584,398
- Issue date Apr 22, 1986
- Nitto Boseki Co., Ltd.
- Katsumasa Kuroiwa
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for producing arginyl-p-nitroanilide
- Patent number 4,564,695
- Issue date Jan 14, 1986
- Nitto Boseki Co., Ltd.
- Katsumasa Kuroiwa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for measuring thrombin
- Patent number 4,520,100
- Issue date May 28, 1985
- Nitto Boseki Co. Ltd.
- Takeshi Nagasawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substrates for measuring plasmin
- Patent number 4,452,736
- Issue date Jun 5, 1984
- Nitto Boseki Co., Ltd.
- Takeshi Nagasawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substrates for measuring thrombin
- Patent number 4,450,105
- Issue date May 22, 1984
- Nitto Boseki Co., Ltd.
- Takeshi Nagasawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for assaying the activity of .gamma.-glutamyl transpeptidase...
- Patent number 4,336,331
- Issue date Jun 22, 1982
- Nitto Boseki Co., Ltd.
- Takeshi Nagasawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel L-.gamma.-glutamyl-3-carboxy-4-hydroxyanilide and salts thereof
- Patent number 4,281,181
- Issue date Jul 28, 1981
- Nitto Boseki Co., Ltd.
- Takeshi Nagasawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel L-leucyl-4-hydroxyanilide derivatives
- Patent number 4,209,459
- Issue date Jun 24, 1980
- Nitto Boseki Co., Ltd.
- Takeshi Nagasawa
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...

Katsumasa Kuroiwa

Person

Patents Grantslast 30 patents

Monoclonal antibody to prostate-derived acid phosphatase and method...

Tripeptide derivatives containing pyroglutamic acid residue

L-argininal acetal derivatives and a process for production thereof

Method for assaying enzyme activity using N-acetyl-.beta.-D-glucosa...

Method for determination of acid phosphatase activity using 4-acyl-...

Tripeptide derivatives and protease inhibitor composition comprisin...

Method for determination of hydroxyacetophenone derivatives

Peptide substrates for determination of enzyme activity

Substrates for determination of enzyme activity and intermediates f...

4-acyl-2,6-dihalophenyl-phosphoric acid derivatives useful in the d...

Synthetic peptidic substrate for determination of trypsin and .alph...

Synthetic peptidic substrate for determination of trypsin and .alph...

Tripeptide derivatives and antiplasmin agents containing the same

Novel method for determining cholinesterase activity

Novel substrate for plasma kallikrein and a method for measuring bi...

Novel method for determining cholinesterase activity

Novel substrates for use in measuring the concentration of kallikre...

Novel substrate for determining the activity of blood coagulation f...

Method for measuring plasmin

Arginyl-3-carboxy-4-hydroxyanilide

Process for producing arginyl-p-nitroanilide

Method for measuring thrombin

Substrates for measuring plasmin

Substrates for measuring thrombin

Method for assaying the activity of .gamma.-glutamyl transpeptidase...

Novel L-.gamma.-glutamyl-3-carboxy-4-hydroxyanilide and salts thereof

Novel L-leucyl-4-hydroxyanilide derivatives