Inventor
TSURU SUMIAKI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “TSURU SUMIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
6 patentsUS5310548AMay 10, 1994
Deodorants, deodorant sheets, filter sheets and functional papers as well as filtering mediums for exhaust gas
ASAHI OPTICAL CO LTD42 citations96
US5085781AFeb 4, 1992
Separating agent, separator and method of separating cell or virus
ASAHI OPTICAL CO LTD42 citations95
USRE35267EJun 11, 1996
Separating agent, separator and method of separating cell or virus
ASAHI OPTICAL CO LTD27 citations92
US5545240AAug 13, 1996
Deodorants and gas filters therefor
ASAHI OPTICAL CO LTD15 citations82
US5098842AMar 24, 1992
Medium, apparatus and method for cell separation
ASAHI OPTICAL CO LTD15 citations82
US4761366AAug 2, 1988
Medium, apparatus and method for cell separation
ASAHI OPTICAL CO LTD15 citations82
BESTEX KK
3 patentsUS5143752ASep 1, 1992
Filtering material of apatite and glucan used for surgical masks and method of making it
BESTEX KK33 citations90
US5296254AMar 22, 1994
Method of producing a filtering material
BESTEX KK10 citations72
US5597619AJan 28, 1997
Filtering material and method of producing the same
BESTEX KK3 citations61