Inventor
YOSHIDA KIYOHIDE
JP32 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIDA KIYOHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RIKEN KK
28 patentsUS5141714AAug 25, 1992
Exhaust gas cleaner
RIKEN KK78 citations94
US6057259AMay 2, 2000
Exhaust gas cleaner and method for removing nitrogen oxides
RIKEN KK17 citations92
US5935529AAug 10, 1999
Exhaust gas cleaner and method for cleaning exhaust gas
RIKEN KK38 citations92
US5824621AOct 20, 1998
Exhaust gas cleaner
RIKEN KK26 citations92
US5741468AApr 21, 1998
Exhaust gas cleaner and method for cleaning exhaust gas
RIKEN KK41 citations92
US5714130AFeb 3, 1998
Exhaust gas cleaner and method for cleaning exhaust gas
RIKEN KK26 citations92
US5670444ASep 23, 1997
Exhaust gas cleaner and method for cleaning same
RIKEN KK21 citations92
US5670443ASep 23, 1997
Exhaust gas cleaner and method for cleaning exhaust gas
RIKEN KK29 citations92
US5658543AAug 19, 1997
Exhaust gas cleaner and method for cleaning same
RIKEN KK30 citations92
US5645804AJul 8, 1997
Method for cleaning exhaust gas containing nitrogen oxides
RIKEN KK47 citations92
US5589432ADec 31, 1996
Exhaust gas cleaner and method for cleaning same
RIKEN KK27 citations92
US5340548AAug 23, 1994
Exhaust gas cleaner and method of cleaning exhaust gas
RIKEN KK24 citations92
US5320999AJun 14, 1994
Exhaust gas cleaner and method of cleaning exhaust gas
RIKEN KK25 citations92
US5290530AMar 1, 1994
Method of cleaning exhaust gas
RIKEN KK32 citations92
US5213781AMay 25, 1993
Method of cleaning nitrogen oxide containing exhaust gas
RIKEN KK22 citations92
US5208202AMay 4, 1993
Exhaust gas cleaner and method of cleaning exhaust gas catalyst for cleaning exhaust gas
RIKEN KK28 citations92
US5154901AOct 13, 1992
Method of cleaning an exhaust gas containing nitrogen oxides and fine carbon-containing particulates
RIKEN KK31 citations91
US5747410AMay 5, 1998
Exhaust gas cleaner and method of cleaning exhaust gas
RIKEN KK46 citations89
US5108977AApr 28, 1992
Catalyst for cleaning exhaust gas
RIKEN KK29 citations89
US5772973AJun 30, 1998
Exhaust gas cleaner and method for removing nitrogen oxides
RIKEN KK16 citations82
US5384110AJan 24, 1995
Exhaust gas cleaner and method of cleaning exhaust gas
RIKEN KK16 citations82
US5885923AMar 23, 1999
Exhaust gas cleaner
RIKEN KK10 citations74
US5744112AApr 28, 1998
Method for cleaning exhaust gas
RIKEN KK13 citations74
US5658542AAug 19, 1997
Exhaust gas cleaner and method for cleaning same
RIKEN KK11 citations74
US5801117ASep 1, 1998
Comprising supported silver sulfate or silver chloride or silver with sulfuric acid
RIKEN KK5 citations73
US5714432AFeb 3, 1998
Exhaust gas cleaner comprising supported silver or silver oxide particles
RIKEN KK9 citations73
US5656249AAug 12, 1997
Exhaust gas cleaner and method for removing nitrogen oxides
RIKEN KK10 citations73
US5744111AApr 28, 1998
Method for cleaning exhaust gas
RIKEN KK7 citations70