KI

Kikuo Ishizumi

SC Sumitomo Chemical: 13 patents #331 of 4,033Top 9%
SL Sumitomo Pharmaceuticals Company Limited: 5 patents #26 of 327Top 8%
📍 Ikeda, JP: #26 of 425 inventorsTop 7%
Overall (All Time): #260,939 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
4937249 Imide derivatives and their pharmaceutical use Fujio Antoku, Mayumi Yoshigi, Ikutaro Saji 1990-06-26
4843078 Succinimide derivatives, and their production and use Fujio Antoku, Isamu Maruyama, Atsuyuki Kojima 1989-06-27
4745117 Imide derivatives and compositions for use as antipsychotic agents Fujio Antoku, Isamu Maruyama, Atuyuki Kojima 1988-05-17
4695580 Phenylserine derivatives and processes for preparing the same Naohito Ohashi, Shoji Nagata, Masashi Nakatsuka, Junki Katsube, Shunji Aono +1 more 1987-09-22
4673668 Aminonaphthacene derivatives Naohito Ohashi, Norihiko Tanno, Hiromi Sato, Masaru Fukui, Shinya Morisada 1987-06-16
4610986 Aminonaphthacene derivatives and their production Michihisa Muramatsu, Norihiko Tanno, Hiromi Sato, Noboru Yoshida 1986-09-09
4598078 N-(substituted piperazinyl) alkylbicyclic succinimide derivatives Fujio Antoku, Yukio Asami 1986-07-01
4562263 Process for producing 3-(3,4-dihydroxyphenyl) serine Naohito Ohashi, Shoji Nagata 1985-12-31
4545936 Novel aminonaphthacene derivatives and process for preparation thereof Michihisa Muramatsu, Hiromi Sato, Norihiko Tanno, Noboru Yoshida 1985-10-08
4544635 Preparation of optically active cis-1,3-dibenzyl-hexahydro-1H-furo[3,4-d]imidazole-2,4-dione and its intermediates Naohito Ohashi, Kozo Shimago, Takaharu Ikeda 1985-10-01
4543355 Substituted succinimides, compositions and method of use Fujio Antoku, Yukio Asami 1985-09-24
4540695 Aminonaphthacene derivatives and their use Naohito Ohashi, Michihisa Muramatsu 1985-09-10
4507303 Succinimide derivatives, compositions and method of use Fujio Antoku, Yukio Asami 1985-03-26
4496739 Intermediates to optically active cis-1,3-dibenzyl-hexahydro-1H-furo[3,4-d]imidazole-2,4-dione Naohito Ohashi, Kozo Shimago, Takaharu Ikeda 1985-01-29
4480109 Process for producing threo-3-(3,4-dihydroxyphenyl)serine Naohito Ohashi, Shoji Nagata 1984-10-30
4325886 Optical resolution of acylthiopropionic acid Naohito Ohashi, Hiroyuki Mizote, Isamu Maruyama, Shoji Nagata, Junki Katsube 1982-04-20
4263304 7 H-indolo[2,3-c]isoquinolines Junki Katsube 1981-04-21
4202895 1-Polyhaloalkyl-2(1H)-quinazolinone derivatives Shigeho Inaba, Michihiro Yamamoto, Kazuo Mori, Hisao Yamamoto 1980-05-13