Isamu Saikawa

Person

Toyama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cephalosporins, process for producing the same, intermediates there...
- Patent number 5,144,027
- Issue date Sep 1, 1992
- Toyama Chemical Co., Ltd.
- Hiroshi Sadaki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Novel process for producing bischoline-disulfonate derivatives
- Patent number 5,011,973
- Issue date Apr 30, 1991
- Toyama Chemical Co., Ltd.
- Yasuyuki Suzuki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridone carboxylic acid derivatives and salts thereof, process for...
- Patent number 4,990,508
- Issue date Feb 5, 1991
- Toyama Chemical Co., Ltd.
- Hirokazu Narita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7-(substituted or unsubstituted amino) 3-substituted methyl-.sup.3...
- Patent number 4,879,381
- Issue date Nov 7, 1989
- Toyoma Chemical Company, Ltd.
- Hiroshi Sadaki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Nicotinic acid derivatives
- Patent number 4,851,535
- Issue date Jul 25, 1989
- Toyama Chemical Co., Ltd.
- Yozo Todo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel substances having carcinostatic and immunostimulating activit...
- Patent number 4,744,985
- Issue date May 17, 1988
- Toyama Chemical Co., Ltd.
- Kenzo Tamai
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Novel process for producing a cephalosporin
- Patent number 4,736,026
- Issue date Apr 5, 1988
- Toyama Chemical Co., Ltd.
- Hiroyuki Imaizumi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7-amino-3-(pyrazinylmethyl) or (pyridazinylmethyl)-cephalosporins
- Patent number 4,717,767
- Issue date Jan 5, 1988
- Toyama Chemical Co., Ltd.
- Hiroshi Sadaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 1-substituted aryl-1,4-dihydro-4-oxonaphthyri...
- Patent number 4,704,459
- Issue date Nov 3, 1987
- Toyama Chemical Co., Ltd.
- Yozo Todo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-oxo-1,4-dihydronicotinic acid derivatives, salts thereof, and ant...
- Patent number 4,698,352
- Issue date Oct 6, 1987
- Toyama Chemical Co., Ltd.
- Hirokazu Narita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel intermediates of cephalosporins and process for producing 7-(...
- Patent number 4,673,738
- Issue date Jun 16, 1987
- Handi-Pac Inc.
- Hiroshi Sadaki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Novel process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid d...
- Patent number 4,667,040
- Issue date May 19, 1987
- Toyama Chemical Co., Ltd.
- Hiroshi Sadaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aminothiazole intermediate for a cephalosporin
- Patent number 4,656,287
- Issue date Apr 7, 1987
- Toyoma Chemical Co., Ltd.
- Hiroyuki Imaizumi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antibiotic 7-(thiazolyl)-3-(pyrazinylmethyl) or (pyridazinylmethyl)...
- Patent number 4,618,606
- Issue date Oct 21, 1986
- Toyama Chemical Co., Ltd.
- Hiroshi Sadaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel process for producing cephalosporins
- Patent number 4,614,819
- Issue date Sep 30, 1986
- Toyama Chemical Co., Ltd.
- Takashi Nagai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel substances having antitumor and immunostimulating activity, p...
- Patent number 4,591,558
- Issue date May 27, 1986
- Toyama Chemical Co., Ltd.
- Kenzo Tamai
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivat...
- Patent number 4,563,534
- Issue date Jan 7, 1986
- Toyama Chemical Co., Ltd.
- Hiroshi Sadaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing substance having carcinostatic and immunostim...
- Patent number 4,547,462
- Issue date Oct 15, 1985
- Toyama Chemical Co., Ltd.
- Kenzo Tamai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cephalosporins
- Patent number 4,489,072
- Issue date Dec 18, 1984
- Toyama Chemical Co., Ltd.
- Hiroshi Sadaki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Novel 1-(4-piperidiniobenzyl)-2,3-dioxopiperazine derivatives or ac...
- Patent number 4,477,664
- Issue date Oct 16, 1984
- Toyama Chemical Co., Ltd.
- Takako Hori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition sa...
- Patent number 4,477,666
- Issue date Oct 16, 1984
- Toyama Chemical Co., Ltd.
- Takako Hori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substances having carcinostatic and immunostimulating activity
- Patent number 4,477,437
- Issue date Oct 16, 1984
- Toyama Chemical Co., Ltd.
- Kenzo Tamai
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition sa...
- Patent number 4,460,774
- Issue date Jul 17, 1984
- Toyama Chemical Company, Limited
- Takako Hori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives and salts thereof
- Patent number 4,459,407
- Issue date Jul 10, 1984
- Toyama Chemical Co., Ltd.
- Takako Hori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-[4-(Thiazolyl-amino)benzyl]-2,3-dioxopiperazine derivatives, acid...
- Patent number 4,448,963
- Issue date May 15, 1984
- Toyama Chemical Co., Ltd.
- Takako Hori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pharmaceutical composition comprising extract from poison pouch con...
- Patent number 4,444,753
- Issue date Apr 24, 1984
- Toyama Chemical Company, Ltd.
- Isamu Saikawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition sa...
- Patent number 4,436,921
- Issue date Mar 13, 1984
- Toyama Chemical Co., Ltd.
- Takako Hori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antibacterial composition for medical use
- Patent number 4,428,936
- Issue date Jan 31, 1984
- Toyama Chemical Co., Ltd.
- Isamu Saikawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cephalosporins
- Patent number 4,410,522
- Issue date Oct 18, 1983
- Toyama Chemical Co., Ltd.
- Isamu Saikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7.alpha.-Methoxycephalosporins
- Patent number 4,395,412
- Issue date Jul 26, 1983
- Toyama Chemical Co., Ltd.
- Isamu Saikawa
- C07 - ORGANIC CHEMISTRY

Isamu Saikawa

Person

Patents Grantslast 30 patents

Cephalosporins, process for producing the same, intermediates there...

Novel process for producing bischoline-disulfonate derivatives

Pyridone carboxylic acid derivatives and salts thereof, process for...

7-(substituted or unsubstituted amino) 3-substituted methyl-.sup.3...

Nicotinic acid derivatives

Novel substances having carcinostatic and immunostimulating activit...

Novel process for producing a cephalosporin

7-amino-3-(pyrazinylmethyl) or (pyridazinylmethyl)-cephalosporins

Process for producing 1-substituted aryl-1,4-dihydro-4-oxonaphthyri...

4-oxo-1,4-dihydronicotinic acid derivatives, salts thereof, and ant...

Novel intermediates of cephalosporins and process for producing 7-(...

Novel process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid d...

Aminothiazole intermediate for a cephalosporin

Antibiotic 7-(thiazolyl)-3-(pyrazinylmethyl) or (pyridazinylmethyl)...

Novel process for producing cephalosporins

Novel substances having antitumor and immunostimulating activity, p...

Process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivat...

Process for preparing substance having carcinostatic and immunostim...

Cephalosporins

Novel 1-(4-piperidiniobenzyl)-2,3-dioxopiperazine derivatives or ac...

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition sa...

Substances having carcinostatic and immunostimulating activity

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition sa...

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives and salts thereof

4-[4-(Thiazolyl-amino)benzyl]-2,3-dioxopiperazine derivatives, acid...

Pharmaceutical composition comprising extract from poison pouch con...

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition sa...

Antibacterial composition for medical use

Cephalosporins

7.alpha.-Methoxycephalosporins