YK

Yoshiro Kobayashi

WARF: 13 patents #100 of 4,123Top 3%
KK Kureha Kagaku Kogyo: 8 patents #73 of 607Top 15%
DI Daikin Industries: 4 patents #820 of 2,957Top 30%
DK Denki Kagaku Kogyo: 1 patents #291 of 655Top 45%
NC Nihon Nohyaku Co.: 1 patents #153 of 243Top 65%
TC Taisho Pharmaceutical Co.: 1 patents #275 of 557Top 50%
Overall (All Time): #140,340 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
5278155 Fluorine-containing vitamin D.sub.3 analogues and cell differentiation-inducing agent containing the same Nobuo Ikekawa, Yoko Tanaka, Tadashi Eguchi 1994-01-11
5210237 Vitamin D.sub.3 analogues Katsuhiko Iseki, Tadabumi Nagai, Yoko Tanaka, Nobuo Ikekawa 1993-05-11
5206230 Fluorine-containing vitamin D3 analogues and pharmaceutical composition containing the same Nobuo Ikekawa, Takeo Taguchi, Yoko Tanaka, Yutaka Ohira 1993-04-27
5200536 Fluorine-containing vitamin D3 analogues Nobuo Ikekawa, Takeo Taguchi, Yoko Tanaka, Yutaka Ohira 1993-04-06
5047564 Fluorine-containing vitamin D.sub.2 derivatives Takeo Taguchi, Nobuo Ikekawa 1991-09-10
4675295 Process for producing subculturable lymphokine-producing human T cell hybridomas Toshiaki Osawa, Makoto Asada, Masahiro Higuchi 1987-06-23
4619920 26,26,26,27,27-pentafluoro-1.alpha.-hydroxy-27-methoxyvitamin D.sub.3 Hector F. DeLuca, Nobuo Ikekawa, Yoko Tanaka 1986-10-28
4594192 2.alpha.-fluorovitamin D.sub.3 Hector F. DeLuca, Yoko Tanaka, Nobuo Ikekawa 1986-06-10
4567293 2-[Para-(2-substituted or unsubstituted-3,3,3-tri-fluoropropyl)phenyl]propionic acid or a salt thereof Itsumaro Kumadaki, Takashi Yamauchi, Akira Iizuka 1986-01-28
4564474 23,23-Difluoro-25-hydroxy-vitamin D.sub.3 and process for preparing same Hector F. DeLuca, Yoko Tanaka, Nobuo Ikekawa 1986-01-14
4552698 23,23-Difluoro-1.alpha.,25-dihydroxy-vitamin D.sub.3 Hector F. DeLuca, Yoko Tanaka, Nobuo Ikekawa 1985-11-12
4502991 23,23-Difluoro-1.alpha.,25-dihydroxy-vitamin D.sub.3 Hector F. DeLuca, Yoko Tanaka, Nobuo Ikekawa 1985-03-05
4500460 23,23-Difluoro-25-hydroxy-vitamin D.sub.3 and process for preparing same Hector F. DeLuca, Yoko Tanaka, Nobuo Ikekawa 1985-02-19
4476328 Process for producing 3,3,3-trifluoropropyl substituted phenol Itsumaro Kumadaki, Masaaki Takahashi, Takashi Yamauchi 1984-10-09
4451674 Substituted benzene derivatives having at least one benzene ring substituted by 3,3,3-trifluoropropyl group and process for their production Itsumaro Kumadaki, Masaaki Takahashi, Takashi Yamauchi 1984-05-29
4423259 Process for producing phenyl-[3,3,3-trifluoropropyl)phenyl]methane Itsumaro Kumadaki, Masaaki Takahashi, Takashi Yamauchi 1983-12-27
4411833 Method for preparing 26,26,26,27,27,27-hexafluoro-1.alpha.,25-dihydroxycholesterol Hector F. DeLuca, Yoko Tanaka, Nobuo Ikekawa 1983-10-25
4405824 Process for producing aryl- or aralkylbenzene having two benzene rings at least one of which is substituted by at least one 3,3,3-trifluoropropyl group Itsumaro Kumadaki, Masaaki Takahashi, Takashi Yamauchi 1983-09-20
4396785 3,3,3-Trifluoropropyl derivatives of naphthalene or methylnaphthalene and process for preparing the same Itsumaro Kumadaki, Masaaki Takahashi, Takashi Yamauchi 1983-08-02
4358406 26,26,26,27,27,27-Hexafluoro-1.alpha.,25-dihydroxycholecalciferol and process for preparing same Hector F. DeLuca, Yoko Tanaka, Nobuo Ikekawa 1982-11-09
4356335 Aryl- or aralkylbenzene having two benzene rings at least one of which is substituted by at least one 3,3,3-trifluoropropyl group Itsumaro Kumadaki, Masaaki Takahashi, Takashi Yamauchi 1982-10-26
4324929 Process for producing mono, bis or tris(3,3,3-trifluoropropyl)benzene Itsumaro Kumadaki, Masaaki Takahashi, Takashi Yamauchi 1982-04-13
4305880 Process for preparing 24-fluoro-25-hydroxycholecalciferol Hector F. DeLuca, Yoko Tanaka, Nobuo Ikekawa 1981-12-15
4283344 Process for producing 1,1,3,3-tetrafluoro-1,3-dihydro-isobenzofuran Tsumoru Kodaira, Hitoshi Kurono 1981-08-11
4248791 25-Hydroxy-26,26,26,27,27,27-hexafluorocholecalciferol Hector F. DeLuca, Yoko Tanaka, Nobuo Ikekawa 1981-02-03