Inventor
HAKAMATSUKA YASUHARU
JP19 patents
⚠️ This page may combine multiple inventors who share the name “HAKAMATSUKA YASUHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS OPTICAL CO
16 patentsUS5156623AOct 20, 1992
Sustained release material and method of manufacturing the same
OLYMPUS OPTICAL CO198 citations98
US5152791AOct 6, 1992
Prosthetic artificial bone having ceramic layers of different porosity
OLYMPUS OPTICAL CO245 citations98
US5318779AJun 7, 1994
Drug-impregnated ceramic
OLYMPUS OPTICAL CO71 citations96
US4950294AAug 21, 1990
Composite structure useful as artificial bones
OLYMPUS OPTICAL CO71 citations96
US4713006ADec 15, 1987
Artificial tooth root
OLYMPUS OPTICAL CO56 citations94
US5346396ASep 13, 1994
Dental prosthesis
OLYMPUS OPTICAL CO22 citations92
US5135394AAug 4, 1992
Extraction cavity filling member and a manufacturing method thereof
OLYMPUS OPTICAL CO27 citations92
US6350462B1Feb 26, 2002
Hollow porous ceramic carrier for embedding in patient for sustained medicament release and method of preparation thereof
OLYMPUS OPTICAL CO33 citations91
US4747876AMay 31, 1988
Dental crown material
OLYMPUS OPTICAL CO19 citations82
US5013363AMay 7, 1991
Mold for the casting of glass ceramic
OLYMPUS OPTICAL CO9 citations74
US4799887AJan 24, 1989
Glass ceramic dental crown and method of manufacturing the same
OLYMPUS OPTICAL CO17 citations74
US4770943ASep 13, 1988
Method of forming rigid film of calcium phosphate compound
OLYMPUS OPTICAL CO14 citations73
US4998872AMar 12, 1991
Dental centrifugal casting apparatus
OLYMPUS OPTICAL CO11 citations72
USD336336SJun 8, 1993
Crystallization furnace for dental prostheses
OLYMPUS OPTICAL CO2 citations62
USD335537SMay 11, 1993
Crystallization furnace for dental prostheses
OLYMPUS OPTICAL CO2 citations62
USD335539SMay 11, 1993
Casting machine for dental prostheses
OLYMPUS OPTICAL CO4 citations62