Inventor
NISHIMURA TOHRU
JP18 patents
⚠️ This page may combine multiple inventors who share the name “NISHIMURA TOHRU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NISSAN CHEMICAL IND LTD
13 patentsUS6440187B1Aug 27, 2002
Alumina powder, process for producing the same and polishing composition
NISSAN CHEMICAL IND LTD81 citations97
US5543126AAug 6, 1996
Process for preparing crystalline ceric oxide
NISSAN CHEMICAL IND LTD72 citations96
US6398827B1Jun 4, 2002
Polishing composition
NISSAN CHEMICAL IND LTD57 citations95
US5962343AOct 5, 1999
Process for producing crystalline ceric oxide particles and abrasive
NISSAN CHEMICAL IND LTD43 citations95
US6706082B2Mar 16, 2004
Crystalline ceric oxide sol and process for producing the same
NISSAN CHEMICAL IND LTD26 citations92
US6372003B1Apr 16, 2002
Polishing abrasive of crystalline ceric oxide particles having surfaces modified with hydroxyl groups
NISSAN CHEMICAL IND LTD31 citations92
US6007592ADec 28, 1999
Polishing composition for aluminum disk and polishing process therewith
NISSAN CHEMICAL IND LTD32 citations92
US6719819B2Apr 13, 2004
Polishing composition
NISSAN CHEMICAL IND LTD21 citations91
US6887289B2May 3, 2005
Cerium oxide sol and abrasive
NISSAN CHEMICAL IND LTD5 citations63
US7887714B2Feb 15, 2011
Cerium oxide sol and abrasive
NISSAN CHEMICAL IND LTD1 citations52
US10550300B2Feb 4, 2020
Method for producing purified active silicic acid solution and silica sol
NISSAN CHEMICAL IND LTD0 citations50
US9938155B2Apr 10, 2018
Method for producing purified alkali silicate aqueous solution and silica sol
NISSAN CHEMICAL IND LTD0 citations50
US7578862B2Aug 25, 2009
Abrasive compound for glass hard disk platter
NISSAN CHEMICAL IND LTD0 citations42