Inventor
SHIBATA TOHRU
JP51 patents
⚠️ This page may combine multiple inventors who share the name “SHIBATA TOHRU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAICEL CHEM
42 patentsUS5927287AJul 27, 1999
Tobacco filter material and a tobacco filter as produced using the same
DAICEL CHEM46 citations96
US5863652AJan 26, 1999
Tobacco smoke filter materials, fibrous cellulose esters, and production processes
DAICEL CHEM85 citations96
US4786415ANov 22, 1988
Separation agent comprising aliphatic ester of polysaccharide
DAICEL CHEM32 citations96
US6344239B1Feb 5, 2002
Method for producing a tobacco filter material
DAICEL CHEM46 citations95
US5856006AJan 5, 1999
Tobacco filter material and a method for producing the same
DAICEL CHEM50 citations95
US5690126ANov 25, 1997
Tobacco filter materials and tobacco filter as produced by using the same
DAICEL CHEM24 citations93
US5678577AOct 21, 1997
Tobacco filter material and a tobacco filter as produced using the same
DAICEL CHEM27 citations92
USRE34457ENov 30, 1993
Separating agent
DAICEL CHEM29 citations92
US5032281AJul 16, 1991
Separating membrane and separation method
DAICEL CHEM35 citations92
US4818394AApr 4, 1989
Separating agent
DAICEL CHEM48 citations92
US4708951ANov 24, 1987
Anticoagulative high-molecular compositions
DAICEL CHEM25 citations91
US7671193B2Mar 2, 2010
Method for adjusting the degree of substitution with acetyl group of cellulose acetate
DAICEL CHEM13 citations83
US7302954B1Dec 4, 2007
Cigarette filter comprising grape proanthocyanidin
DAICEL CHEM13 citations83
US5692527ADec 2, 1997
Tobacco smoke filter materials, fibrous cellulose esters, and production processes
DAICEL CHEM14 citations82
US5041226AAug 20, 1991
Separating with an agent comprising aliphatic ester of polysaccharide
DAICEL CHEM9 citations82
US4966694AOct 30, 1990
Separation agent comprising acyl- or carbamoyl-substituted polysaccharide
DAICEL CHEM12 citations82
US4892659AJan 9, 1990
Separation agent comprising aliphatic ester of polysaccharide
DAICEL CHEM9 citations82
US4879038ANov 7, 1989
Separation agent comprising acyl- or carbamoyl-substituted polysaccharide
DAICEL CHEM14 citations82
US5489387AFeb 6, 1996
Separation agent comprising acyl- or carbamoyl-substituted polysaccharide
DAICEL CHEM11 citations74
US5415769AMay 16, 1995
Separation agent comprising aliphatic or aromatic ester of polysaccharide
DAICEL CHEM3 citations74
US5089138AFeb 18, 1992
Separating with an agent comprising an aliphatic ester of a polysaccharide
DAICEL CHEM5 citations74
US5032277AJul 16, 1991
Optical resolution with β-1,4-mannan tribenzoate
DAICEL CHEM6 citations74
US5017290AMay 21, 1991
Separation agent comprising acyl- or carbamoyl-substituted polysaccharide
DAICEL CHEM4 citations74
US4830752AMay 16, 1989
Separation agent comprising 1,3-glucan
DAICEL CHEM6 citations74
US4714555ADec 22, 1987
Agent for separation
DAICEL CHEM14 citations74
US4786416ANov 22, 1988
Resolving agent
DAICEL CHEM8 citations73
US4683341AJul 28, 1987
Optical resolution of oxycyclopentenone
DAICEL CHEM8 citations73
USRE38435EFeb 24, 2004
Separating agent
DAICEL CHEM6 citations63
US5472599ADec 5, 1995
Separation agent comprising aliphatic or aromatic ester of polysaccharide
DAICEL CHEM2 citations63
US5415780AMay 16, 1995
Separation agent comprising acyl- or carbamoyl-substituted polysaccharide
DAICEL CHEM3 citations63
US5334311AAug 2, 1994
Separation agent comprising aliphatic or aromatic ester of polysaccharide
DAICEL CHEM2 citations63
US5192444AMar 9, 1993
Separating with an agent comprising an aliphatic ester of a polysaccharide
DAICEL CHEM4 citations63
US5137638AAug 11, 1992
Separation agent comprising acyl- or carbamoyl-substituted polysaccharide
DAICEL CHEM2 citations63
US5135653AAug 4, 1992
Optical resolution with β-1,4-xylan dibenzoate
DAICEL CHEM2 citations63
US5075009ADec 24, 1991
Separation agent comprising acyl- or carbamoyl-substituted polysaccharide
DAICEL CHEM1 citations63
US5059328AOct 22, 1991
Separation agent comprising 1,3-glucan
DAICEL CHEM3 citations63
US5002669AMar 26, 1991
Separation agent comprising 1,3-glucan
DAICEL CHEM1 citations63
US4931184AJun 5, 1990
Optical resolution with tribenzoyl-b-1,4-chitosan
DAICEL CHEM4 citations63
US4897198AJan 30, 1990
Separation agent comprising 1,3-glucan
DAICEL CHEM1 citations63
US4846968AJul 11, 1989
Resolving agent
DAICEL CHEM2 citations62
US5368737ANov 29, 1994
Separation agent comprising acyl-or carbamoyl-substituted polysaccharide
DAICEL CHEM0 citations52
US5268098ADec 7, 1993
Separation agent comprising aliphatic or aromatic ester of polysaccharide
DAICEL CHEM0 citations52
DAICEL CORP
3 patentsFUJI PHOTO FILM CO LTD
2 patentsHIDEAKI TAKAHASHI
1 patentYASUDA HAJIME
1 patentSHIBATA TOHRU
1 patentShowing the top 50 of 51 patents by PatentIndex Score.