RK

Ryoichi Katsumata

KC Kyowa Hakko Kogyo Co.: 34 patents #9 of 943Top 1%
Overall (All Time): #95,113 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDate
6485931 CHOLESTEROL DEHYDROGENASE, COPROSTAN-3-ONE DEHYDROGENASE AND 4-CHOLESTEN-3-ONE DEHYDROGENASE, COMPOSITIONS CONTAINING THE DEHYDROGENASES, AND METHOD FOR REDUCING AMOUNT OF CHOLESTEROL USING THE COMPOSITIONS Chiaki Saitoh, Hideyo Kumazawa, Kazuo Aisaka, Toru Mizukami, Katsuhiko Ando +1 more 2002-11-26
6365381 Method for producing optically active compound Shin Hashimoto 2002-04-02
6312919 Process for producing a cholesterol-reduced substance Chiaki Saitoh, Hideyo Kumazawa, Kazuo Aisaka, Toru Mizukami, Katsuhiko Ando +2 more 2001-11-06
6207427 Method for producing optically active compound Shin Hashimoto 2001-03-27
5700661 Gene expression regulatory DNA Yutaka Takano 1997-12-23
5643769 Process for producing an optically active .gamma.-hydroxy-L-glutamic acid Shinichi Hashimoto 1997-07-01
5624828 Process for producing L-tryptophan in serine auxotrophic microorganisms belonging to the genus corynebacterium or brevabacterium Masato Ikeda, Keiko Nakanishi, Yuko Sasao 1997-04-29
5607848 Process for producing optically active 4-hydroxy-2-ketoglutaric acid using microorganisms Shinichi Hashimoto, Keiko Ochiai 1997-03-04
5605818 Process for producing L-tryptophan, L-tyrosine or L-phenylalanine Masato Ikeda 1997-02-25
5595894 Process for stably maintaining recombinant plasmids in serine auxotrophic microorganisms belonging to the genus Corynebacterium or Brevibacterium Masato Ikeda, Keiko Nakanishi, Yuko Sasao 1997-01-21
5595906 Corynebacterium strain for producing L-tryptophan decreased in phosphoenolpyruvate carboxylase activity Kuniki Kino 1997-01-21
5563052 Process for producing L-tryptophan Masato Ikeda 1996-10-08
5559016 Process for producing alanine Shin'ichi Hashimoto 1996-09-24
5521074 Process for producing L-valine Shinichi Hashimoto 1996-05-28
5498532 Process for producing amino acids Yasuhiro Kikuchi, Keiko Nakanishi 1996-03-12
5484716 Process for producing L-tryptophan by a Corynebacterium strain having decreased phosphoenolpyruvate carboxylase activity Kuniki Kino 1996-01-16
5478733 Process for producing L-alanine by fermentation with arthrobacter Shinichi Hashimoto, Isao Kawamoto, Makoto Suzuki, Hajime Yoshida, Hiroshi Hagino +1 more 1995-12-26
5447857 Process for producing L-tryptophan Masato Ikeda, Keiko Nakanishi 1995-09-05
5439822 Gene expression regulatory DNA Yutaka Takano 1995-08-08
5407824 Recombinant coryneform bacterium for producing L-tryptophan Masato Ikeda, Keiko Nakanishi 1995-04-18
5374542 Process for producing 4-hydroxy-L-proline Haruhiko Yokoi 1994-12-20
5364775 Process for producing trans-L-hydroxyproline Takashi Ohshiro, Haruhiko Yokoi, Michio Shiomi 1994-11-15
5236831 Amino acid synthesis in corynebacteria using E. coli genes Akio Ozaki, Toru Mizukami, Motoko Kageyama, Morimasa Yagisawa, Tamio Mizukami +3 more 1993-08-17
5153120 Process for the production of .gamma.-glutamyl transpeptidase Toru Mizukami, Shigenori Ohta, Moriyuki Sato, Kazuo Yamaguchi 1992-10-06
5017482 Process for producing L-arginine Haruhiko Yokoi 1991-05-21