Inventor
YOKOO AKIHIKO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “YOKOO AKIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
12 patentsUS5310548AMay 10, 1994
Deodorants, deodorant sheets, filter sheets and functional papers as well as filtering mediums for exhaust gas
ASAHI OPTICAL CO LTD42 citations96
US5134009AJul 28, 1992
Shaped article of oriented calcium phosphate type compounds, sinter thereof and processes for producing same
ASAHI OPTICAL CO LTD62 citations96
US5085781AFeb 4, 1992
Separating agent, separator and method of separating cell or virus
ASAHI OPTICAL CO LTD42 citations95
US5158756AOct 27, 1992
Porous particles of calcium phosphate compound and production process thereof
ASAHI OPTICAL CO LTD57 citations94
US6306297B1Oct 23, 2001
Packing material for liquid chromatography and process for producing the same
ASAHI OPTICAL CO LTD28 citations92
US5651884AJul 29, 1997
Packing material for liquid chromatography
ASAHI OPTICAL CO LTD30 citations92
US5567231AOct 22, 1996
Deodorants, deodorant sheets, filter sheets and functional papers as well as filtering mediums for exhaust gas
ASAHI OPTICAL CO LTD27 citations92
USRE35267EJun 11, 1996
Separating agent, separator and method of separating cell or virus
ASAHI OPTICAL CO LTD27 citations92
US5039408AAug 13, 1991
Packing material for liquid chromatography
ASAHI OPTICAL CO LTD23 citations92
US5545240AAug 13, 1996
Deodorants and gas filters therefor
ASAHI OPTICAL CO LTD15 citations82
US5651882AJul 29, 1997
Packing material for liquid chromatography and process for producing the same
ASAHI OPTICAL CO LTD4 citations74
USRE35340EOct 1, 1996
Packing material for liquid chromatography
ASAHI OPTICAL CO LTD2 citations63