Resources Contact Us Home
Chiba; Katsumi
Osaka, JP
No. of patents:

Patent Number Title Of Patent Date Issued
6017911 Pyridonecarboxylic acid derivatives and intermediates for the synthesis thereof January 25, 2000
This invention relates to pyridonecarboxylic acid derivatives of the following general formula, esters thereof and salts thereof, as well as pharmaceutical preparations containing them. ##STR1## wherein: R is cycloalkyl which may be substituted by halogen, or the like;X is hydrogen,
5990106 Bicyclic amino group-substituted pyridonecarboxylic acid derivatives, esters thereof and salts t November 23, 1999
This invention relates to bicyclic amino group-substituted pyridonecarboxylic acid derivatives of the general formulaesters thereof and salts thereof, wherein: Pri is a pyridonecarboxylic acid residue, and A is a bicyclic amino group represented by the following formula and joined to the
5817669 Compounds, processes for the preparation thereof and anti-tumor agents October 6, 1998
This invention relates to pyridone-carboxylic acid derivatives of the following formula or salts thereof: ##STR1## wherein R.sub.1 is a hydrogen atom, a halogen atom, etc.,R.sub.2 is a carboxyl group etc.,R.sub.3 is a hydrogen atom etc.,A is a nitrogen atom or CH,m is 1 or 2, andY is an
4738968 1,8-naphthyridine derivatives useful as anti-bacterial agents April 19, 1988
The present invention relates to a 1,8-naphthyridine derivative of the formula ##STR1## wherein X is a fluorine or chlorine atom, and R is a hydrogen atom, or a methyl or ethyl group;and esters thereof and salts thereof are processes for preparation thereof. These compounds show

  Recently Added Patents
Managing distributed applications using structural diagrams
Semiconductor light-receiving device
Graphical user interface for interpreting the results of image analysis
In-vehicle communication system and method of operation
Automated macular pathology diagnosis in three-dimensional (3D) spectral domain optical coherence tomography (SD-OCT) images
Sensor packages and method of packaging dies of differing sizes
Systems and methods for adaptive error thresholds or adaptive modulation schemes based on atmospheric conditions
  Randomly Featured Patents
Biaxially oriented polypropylene film having improved tear propagation resistance
Electronic programmer for telephones with auto-dial
Device and method for refilling an ink cartridge
Carriage of closed data through digital interface using packets
Fire damper
Pyrido(3,2,1-IJ)-1,3,4-benzoxadiazine derivatives
Composition and method for parenteral administration of ibuprofen d,l- or l-lysine salt
Process for manufacturing a radiation hardened oxide
Method for producing semiconductor device having DMOS and NMOS elements formed in the same substrate
Hydroxyphenylated hydantoins