HI

Hiroyuki Imaizumi

TC Toyama Chemical Co.: 13 patents #7 of 270Top 3%
HA Handi-Pac: 1 patents #5 of 15Top 35%
📍 Toyama, JP: #202 of 1,699 inventorsTop 15%
Overall (All Time): #328,563 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
5605921 Triazole derivatives and salts thereof, and antifungal agent containing the same Tetsuya Kajita, Kenichi Takashima, Minako Yotsuji, Keiko Takakura, Akira Yotsuji +4 more 1997-02-25
5366989 Triazole derivatives and salts thereof and antifungal agent containing the same Tetsuya Kajita, Kenichi Takashima, Minako Yotsuji, Keiko Takakura, Akira Yotsuji +4 more 1994-11-22
5144027 Cephalosporins, process for producing the same, intermediates thereof and process for producing the intermediates Hiroshi Sadaki, Hirokazu Narita, Yoshinori Konishi, Takihiro Inaba, Tatsuo Hirakawa +4 more 1992-09-01
4736026 Novel process for producing a cephalosporin Takihiro Inaba, Seishi Morita, Ryuko Takeno, Yoshiharu Murotani, Hirohiko Fukuda +4 more 1988-04-05
4717767 7-amino-3-(pyrazinylmethyl) or (pyridazinylmethyl)-cephalosporins Hiroshi Sadaki, Takashi Nagai, Kenji Takeda, Isao Myokan, Takihiro Inaba +4 more 1988-01-05
4673738 Novel intermediates of cephalosporins and process for producing 7-(substituted or unsubstituted amino)-3-substituted methyl-.DELTA..sup.3 -cephem-4-carboxylic acids Hiroshi Sadaki, Hirokazu Narita, Yoshinori Konishi, Takihiro Inaba, Tatsuo Hirakawa +4 more 1987-06-16
4667040 Novel process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof, and intermediates therefor and process for producing the intermediates Hiroshi Sadaki, Kenji Takeda, Takihiro Inaba, Ryuko Takeno, Seishi Morita +2 more 1987-05-19
4656287 Aminothiazole intermediate for a cephalosporin Takihiro Inaba, Seishi Morita, Ryuko Takeno, Yoshiharu Murotani, Hirohiko Fukuda +4 more 1987-04-07
4618606 Antibiotic 7-(thiazolyl)-3-(pyrazinylmethyl) or (pyridazinylmethyl) cephalosporins Hiroshi Sadaki, Takashi Nagai, Kenji Takeda, Isao Myokan, Takihiro Inaba +4 more 1986-10-21
4563534 Process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof, and intermediates therefor and process for producing the intermediates Hiroshi Sadaki, Kenji Takeda, Takihiro Inaba, Ryuko Takeno, Seishi Morita +2 more 1986-01-07
4489072 Cephalosporins Hiroshi Sadaki, Hirokazu Narita, Yoshinori Konishi, Takihiro Inaba, Tatsuo Hirakawa +4 more 1984-12-18
4395412 7.alpha.-Methoxycephalosporins Isamu Saikawa, Shuntaro Takano, Isamu Takakura, Hirokazu Ochiai, Takashi Yasuda +3 more 1983-07-26
4321265 7.alpha.-Methoxycephalosporins Isamu Saikawa, Shuntaro Takano, Isamu Takakura, Hirokazu Ochiai, Takashi Yasuda +3 more 1982-03-23
4263292 7.alpha.-methoxycephalosporins and pharmaceutical composition comprising the same Isamu Saikawa, Shuntaro Takano, Isamu Takakura, Hirokazu Ochiai, Takashi Yasuda +3 more 1981-04-21
4200744 Substituted 7.alpha.-methoxy-7.beta.[(2,3-dioxo-1-piperazinyl)carbonylaminophenylace tamido]cephalosporins Isamu Saikawa, Shuntaro Takano, Isamu Takakura, Hirokazu Ochiai, Takashi Yasuda +3 more 1980-04-29