KT

Kiyoshi Tsuji

FC Fujisawa Pharmaceutical Co.: 39 patents #14 of 782Top 2%
OC Olympus Optical Co.: 21 patents #97 of 2,334Top 5%
AP Astellas Pharma: 2 patents #350 of 954Top 40%
OS Olympus Medical Systems: 2 patents #325 of 833Top 40%
OL Olympus: 2 patents #1,626 of 3,097Top 55%
UF US Air Force: 1 patents #6,190 of 16,312Top 40%
UK University Of Kentucky: 1 patents #424 of 1,057Top 45%
📍 Osaka, CA: #24 of 107 inventorsTop 25%
Overall (All Time): #32,132 of 4,157,543Top 1%
67
Patents All Time

Issued Patents All Time

Showing 51–67 of 67 patents

Patent #TitleCo-InventorsDate
4496562 7-Substituted-3-cephem-4-carboxylic acid esters Takao Takaya, Hisashi Takasugi, Toshiyuki Chiba 1985-01-29
4464369 7-Acylamino-3-cephem-4-carboxylic acid derivatives and pharmaceutical compositions Takao Takaya, Hisashi Takasugi, Toshiyuki Chiba 1984-08-07
4463002 Syn-isomers of 7-substituted-3-cephem-4-carboxylic acid esters Takao Takaya, Hisashi Takasugi, Toshiyuki Chiba 1984-07-31
4460583 Cephem compounds Takao Takaya, Hisashi Takasugi, Toshiyuki Chiba 1984-07-17
4447430 Cephem compounds Takao Takaya, Hisashi Takasugi, Toshiyuki Chiba 1984-05-08
4443443 Cephem compounds Ikuo Ueda, Masaaki Matsuo, Masayuki Kato 1984-04-17
4427674 Cephem compounds Takao Takaya, Hisashi Takasugi, Toshiyuki Chiba 1984-01-24
4425341 Cephem compounds Takao Takaya, Hisashi Takasugi, Toshiyuki Chiba 1984-01-10
4409217 Cephem compounds Takao Takaya, Hisashi Takasugi, Toshiyuki Chiba 1983-10-11
4400379 Cephem compounds Takao Takaya, Hisashi Takasugi, Toshiyuki Chiba 1983-08-23
4399133 Cephem compounds Takao Takaya, Hisashi Takasugi, Toshiyuki Chiba 1983-08-16
4393059 Cephem compounds Takao Takaya, Hisashi Takasugi, Toshiyuki Chiba 1983-07-12
4372952 Cephem compounds Takao Takaya, Hisashi Takasugi, Toshiyuki Chiba 1983-02-08
4371531 Cephalosporin compounds Takao Takaya, Takashi Masugi, Takashi Ogino 1983-02-01
4294960 7-[2-(2-Aminothiazol-4-yl)-2-cyclopentyloxyiminoacetamido]-3-cephem-4-car boxylic acid (synisomer) Takao Takaya, Hisashi Takasugi, Toshiyuki Chiba 1981-10-13
4284631 7-Substituted cephem compounds and pharmaceutical antibacterial compositions containing them Takao Takaya, Hisashi Takasugi, Toshiyuki Chiba 1981-08-18
4242510 Cephalosporin compounds and processes for the preparation thereof Takao Takaya, Takashi Masugi, Takashi Ogino 1980-12-30