Inventor
ICHITSUKA TAKESHI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “ICHITSUKA TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
13 patentsUS5134009AJul 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
US4798585AJan 17, 1989
Support for biomedical implant device
ASAHI OPTICAL CO LTD143 citations95
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
USRE35267EJun 11, 1996
Separating agent, separator and method of separating cell or virus
ASAHI OPTICAL CO LTD27 citations92
US5441635AAug 15, 1995
Packing material for liquid chromatography
ASAHI OPTICAL CO LTD24 citations92
US5089195AFeb 18, 1992
Method for producing calcium phosphate-based material
ASAHI OPTICAL CO LTD22 citations92
US5064436ANov 12, 1991
Bone prosthetic material
ASAHI OPTICAL CO LTD48 citations92
US5039408AAug 13, 1991
Packing material for liquid chromatography
ASAHI OPTICAL CO LTD23 citations92
US4957674ASep 18, 1990
Method for producing calcium phosphate-based material
ASAHI OPTICAL CO LTD20 citations81
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