Inventor
TANAKA YOKO
53 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA YOKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WISCONSIN ALUMNI RES FOUND
27 patentsUS4689180AAug 25, 1987
1α,25-dihydroxy-22Z-dehydroxyvitamin D compound
WISCONSIN ALUMNI RES FOUND58 citations96
US4857518AAug 15, 1989
Hydroxylated 24-homo-vitamin D derivatives and methods for preparing same
WISCONSIN ALUMNI RES FOUND39 citations93
US4769181ASep 6, 1988
1,25-dihydroxyvitamin D2 compounds
WISCONSIN ALUMNI RES FOUND34 citations93
US4719205AJan 12, 1988
Side-chain unsaturated 1-hydroxyvitamin D compounds
WISCONSIN ALUMNI RES FOUND33 citations93
US4358406ANov 9, 1982
26,26,26,27,27,27-Hexafluoro-1α,25-dihydroxycholecalciferol and process for preparing same
WISCONSIN ALUMNI RES FOUND42 citations92
US4248791AFeb 3, 1981
25-Hydroxy-26,26,26,27,27,27-hexafluorocholecalciferol
WISCONSIN ALUMNI RES FOUND33 citations92
US4719204AJan 12, 1988
Fowl bone mineralization with 28-NOR 1α-hydroxyvitamin D2 analogs
WISCONSIN ALUMNI RES FOUND22 citations82
US4588528AMay 13, 1986
1,24-dihydroxy-Δ22 -vitamin D3 and process for preparing same
WISCONSIN ALUMNI RES FOUND20 citations82
US4552698ANov 12, 1985
23,23-Difluoro-1α,25-dihydroxy-vitamin D3
WISCONSIN ALUMNI RES FOUND15 citations82
US4505906AMar 19, 1985
Hydroxyvitamin D2 isomers
WISCONSIN ALUMNI RES FOUND23 citations82
US4502991AMar 5, 1985
23,23-Difluoro-1α,25-dihydroxy-vitamin D3
WISCONSIN ALUMNI RES FOUND22 citations82
US4411833AOct 25, 1983
Method for preparing 26,26,26,27,27,27-hexafluoro-1α,25-dihydroxycholesterol
WISCONSIN ALUMNI RES FOUND27 citations82
US4226788AOct 7, 1980
24,24-Difluoro-1α,25-dihydroxycholecalciferol
WISCONSIN ALUMNI RES FOUND22 citations82
US4851400AJul 25, 1989
Hydroxylated 26-homo vitamin D derivatives and methods for preparing same
WISCONSIN ALUMNI RES FOUND10 citations74
US4619920AOct 28, 1986
26,26,26,27,27-pentafluoro-1α-hydroxy-27-methoxyvitamin D3
WISCONSIN ALUMNI RES FOUND13 citations74
US4594192AJun 10, 1986
2α-fluorovitamin D3
WISCONSIN ALUMNI RES FOUND8 citations74
US4500460AFeb 19, 1985
23,23-Difluoro-25-hydroxy-vitamin D3 and process for preparing same
WISCONSIN ALUMNI RES FOUND12 citations74
US4305880ADec 15, 1981
Process for preparing 24-fluoro-25-hydroxycholecalciferol
WISCONSIN ALUMNI RES FOUND13 citations74
US4201881AMay 6, 1980
24,24-Difluoro-1α,25-dihydroxycholecalciferol
WISCONSIN ALUMNI RES FOUND16 citations74
US4196133AApr 1, 1980
24,24-Difluoro-25-hydroxycholecalciferol
WISCONSIN ALUMNI RES FOUND13 citations74
US4307231ADec 22, 1981
Vitamin D-lactone derivative and process for preparing same
WISCONSIN ALUMNI RES FOUND12 citations73
US4279826AJul 21, 1981
23,25-Dihydroxyvitamin D3
WISCONSIN ALUMNI RES FOUND13 citations73
US4307025ADec 22, 1981
1α, 25-dihydroxy-2β-fluorovitamin D3
WISCONSIN ALUMNI RES FOUND17 citations72
US4254045AMar 3, 1981
1α-Hydroxy-2β-fluorocholecalciferol
WISCONSIN ALUMNI RES FOUND11 citations72
US4229359AOct 21, 1980
Derivatives of 25-hydroxycholecalciferol
WISCONSIN ALUMNI RES FOUND11 citations72
US4224231ASep 23, 1980
Derivatives of 25-hydroxycholecalciferol
WISCONSIN ALUMNI RES FOUND11 citations72
US4564474AJan 14, 1986
23,23-Difluoro-25-hydroxy-vitamin D3 and process for preparing same
WISCONSIN ALUMNI RES FOUND4 citations63
DAIKIN IND LTD
4 patentsUS5278155AJan 11, 1994
Fluorine-containing vitamin D3 analogues and cell differentiation-inducing agent containing the same
DAIKIN IND LTD21 citations92
US5206230AApr 27, 1993
Fluorine-containing vitamin D3 analogues and pharmaceutical composition containing the same
DAIKIN IND LTD37 citations92
US5200536AApr 6, 1993
Fluorine-containing vitamin D3 analogues
DAIKIN IND LTD11 citations73
US5210237AMay 11, 1993
Vitamin d3 analogues
DAIKIN IND LTD3 citations59
TANAKA YOKO
3 patentsUS8888557B2Nov 18, 2014
Method and apparatus for manufacturing a semiconductor device
TANAKA YOKO4 citations72
US8467110B2Jun 18, 2013
Image reading apparatus, image forming apparatus, and image reading method
TANAKA YOKO4 citations61
US8477944B2Jul 2, 2013
Communication system, base station apparatus and terminal apparatus
TANAKA YOKO2 citations60
TOYOTA MOTOR CO LTD
3 patentsFUJITSU COMPONENT LTD
2 patentsNEC CORP
2 patentsUS12545261B2Feb 10, 2026
On-vehicle apparatus, road surface image transmission method, and recording medium storing program
NEC CORP0 citations46
US12266193B2Apr 1, 2025
Data collection apparatus, onboard apparatus, data collection method, data transmission method, and program recording medium
NEC CORP0 citations46
OGAWA KAZUYA
1 patentDELUCA HECTOR F
1 patentGS YUASA INT LTD
1 patentTOSHIBA KK
1 patentTAKEDA CHEMICAL INDUSTRIES LTD
1 patentNAHLS CORP CO LTD
1 patentFUJI ELECTRIC CO LTD
1 patentASAHI KASEI CHEMICALS CORP
1 patentKYOCERA DOCUMENT SOLUTIONS INC
1 patentShowing the top 50 of 53 patents by PatentIndex Score.