IS

Isamu Saikawa

TC Toyama Chemical Co.: 41 patents #1 of 270Top 1%
HA Handi-Pac: 1 patents #5 of 15Top 35%
📍 Toyama, JP: #51 of 1,699 inventorsTop 4%
Overall (All Time): #71,243 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
4436921 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same Takako Hori, Chosaku Yoshida, Yasuo Kiba, Ryuko Takeno, Joji Nakano +4 more 1984-03-13
4428936 Antibacterial composition for medical use Takashi Yasuda, Masaru Tai, Yutaka Takashita, Hiroshi Sakai, Michiko Mae +2 more 1984-01-31
4410522 Cephalosporins Shuntaro Takano, Chosaku Yoshida, Okuta Takashima, Kaishu Momonoi, Seietsu Kuroda +3 more 1983-10-18
4395412 7.alpha.-Methoxycephalosporins Shuntaro Takano, Hiroyuki Imaizumi, Isamu Takakura, Hirokazu Ochiai, Takashi Yasuda +3 more 1983-07-26
4385178 Process for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acids Shuntaro Takano, Kaishu Momonoi, Isamu Takakura, Seietsu Kuroda, Kiyoshi Tanaka +3 more 1983-05-24
4379152 Cephalosporins Shuntaro Takano, Chosaku Yoshida, Okuta Takashima, Kaishu Momonoi, Seietsu Kuroda +3 more 1983-04-05
4370316 Pharmaceutical composition comprising extract from poison pouch contents of bee useful for treating decreased immunity Takashi Yasuda, Shohachi Murakami, Toyoo Maeda, Akira Yotsuji, Masahiro Takahata +4 more 1983-01-25
4327097 Novel penicillins Shuntaro Takano, Chosaku Yoshida, Okuta Takashima, Kaishu Momonoi, Seietsu Kuroda +3 more 1982-04-27
4324783 Antibacterial composition for medical use Takashi Yasuda, Masaru Tai, Yutaka Takashita, Hiroshi Sakai, Michiko Mae +2 more 1982-04-13
4321265 7.alpha.-Methoxycephalosporins Shuntaro Takano, Hiroyuki Imaizumi, Isamu Takakura, Hirokazu Ochiai, Takashi Yasuda +3 more 1982-03-23
4317907 Process for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acids Shuntaro Takano, Kaishu Momonoi, Isamu Takakura, Seietsu Kuroda, Kiyoshi Tanaka +3 more 1982-03-02
4312986 Process for producing 7-(substituted)amino-3-substituted thiomethyl-.DELTA..sup.3 -cephem-4-carboxylic acids Shuntaro Takano, Kaishu Momonoi, Isamu Takakura, Seietsu Kuroda, Kiyoshi Tanaka +3 more 1982-01-26
4304909 Process for producing 7-(D(-)-.alpha.-(4-ethyl-2,3-dioxo-1-piperazinecarboxamido)-.alpha.-(4-h ydroxyphenyl)acetamido)-3-(5-(1-methyl-1,2,3,4-tetrazolyl)thiomethyl)-.DELT A..sup.3 -cephem-4-carboxylic acid and a pharmaceutically acceptable salt thereof Shuntaro Takano, Kaishu Momonoi, Isamu Takakura, Chiaki Kutani, Kiyoshi Tanaka +1 more 1981-12-08
4263292 7.alpha.-methoxycephalosporins and pharmaceutical composition comprising the same Shuntaro Takano, Hiroyuki Imaizumi, Isamu Takakura, Hirokazu Ochiai, Takashi Yasuda +3 more 1981-04-21
4237280 Intermediate for cephalosporin type compound Shuntaro Takano, Kaishu Momonoi, Isamu Takakura, Chiaki Kutani, Kiyoshi Tanaka +1 more 1980-12-02
4219554 Novel penicillins and cephalosporins and process for producing same Shuntaro Takano, Chosaku Yoshida, Okuta Takashima, Kaishu Momonoi, Seietsu Kuroda +3 more 1980-08-26
4200744 Substituted 7.alpha.-methoxy-7.beta.[(2,3-dioxo-1-piperazinyl)carbonylaminophenylace tamido]cephalosporins Shuntaro Takano, Hiroyuki Imaizumi, Isamu Takakura, Hirokazu Ochiai, Takashi Yasuda +3 more 1980-04-29
4199566 Antibacterial composition for medical use Takashi Yasuda, Masaru Tai, Yutaka Takashita, Hiroshi Sakai, Michiko Mae +2 more 1980-04-22