Inventor
TANAKA TOSHIAKI
302 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA TOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
28 patentsUS6502391B1Jan 7, 2003
Exhaust emission control device of internal combustion engine
TOYOTA MOTOR CO LTD159 citations99
US6058700AMay 9, 2000
Device for purifying exhaust gas of engine
TOYOTA MOTOR CO LTD162 citations99
US5974791ANov 2, 1999
Exhaust gas purification device for an internal combustion engine
TOYOTA MOTOR CO LTD345 citations99
US5473887ADec 12, 1995
Exhaust purification device of internal combustion engine
TOYOTA MOTOR CO LTD340 citations99
US5437153AAug 1, 1995
Exhaust purification device of internal combustion engine
TOYOTA MOTOR CO LTD189 citations99
US6233927B1May 22, 2001
Exhaust gas purification device
TOYOTA MOTOR CO LTD97 citations98
US6192675B1Feb 27, 2001
Exhaust gas purification device for an internal combustion engine
TOYOTA MOTOR CO LTD103 citations98
US6178743B1Jan 30, 2001
Device for reactivating catalyst of engine
TOYOTA MOTOR CO LTD89 citations98
US6119452ASep 19, 2000
Device for purifying exhaust gas of internal combustion engine
TOYOTA MOTOR CO LTD91 citations98
US5715679AFeb 10, 1998
Exhaust purification device of an engine
TOYOTA MOTOR CO LTD104 citations98
US5713199AFeb 3, 1998
Device for detecting deterioration of NOx absorbent
TOYOTA MOTOR CO LTD128 citations98
US5473890ADec 12, 1995
Exhaust purification device of internal combustion engine
TOYOTA MOTOR CO LTD151 citations98
US5402641AApr 4, 1995
Exhaust gas purification apparatus for an internal combustion engine
TOYOTA MOTOR CO LTD188 citations98
US5233830AAug 10, 1993
Exhaust gas purification system for an internal combustion engine
TOYOTA MOTOR CO LTD119 citations98
US6708486B2Mar 23, 2004
Exhaust gas purification device of internal combustion engine
TOYOTA MOTOR CO LTD62 citations96
US6546721B2Apr 15, 2003
Exhaust gas purification device
TOYOTA MOTOR CO LTD60 citations96
US6367246B1Apr 9, 2002
Exhaust gas purification device for internal combustion engine
TOYOTA MOTOR CO LTD72 citations96
US6233925B1May 22, 2001
Exhaust discharge control device for internal combustion engine
TOYOTA MOTOR CO LTD76 citations96
US6212885B1Apr 10, 2001
Exhaust emission control system of internal combustion engine
TOYOTA MOTOR CO LTD69 citations96
US6083467AJul 4, 2000
Exhaust gas purifying catalyst and process for producing the same
TOYOTA MOTOR CO LTD62 citations96
US5839275ANov 24, 1998
Fuel injection control device for a direct injection type engine
TOYOTA MOTOR CO LTD69 citations96
US5782087AJul 21, 1998
Device for purifying exhaust gas of an engine
TOYOTA MOTOR CO LTD70 citations96
US5450722ASep 19, 1995
Exhaust purification device of internal combustion engine
TOYOTA MOTOR CO LTD79 citations96
US5365733ANov 22, 1994
Exhaust gas purification system for an internal combustion engine
TOYOTA MOTOR CO LTD47 citations96
US5433074AJul 18, 1995
Exhaust gas purification device for an engine
TOYOTA MOTOR CO LTD96 citations95
US11219884B2Jan 11, 2022
Cluster supported catalyst and production method therefor
TOYOTA MOTOR CO LTD21 citations93
US7272924B2Sep 25, 2007
Exhaust gas purification device of internal combustion engine
TOYOTA MOTOR CO LTD20 citations93
US7086222B2Aug 8, 2006
Exhaust gas purification device of internal combustion engine
TOYOTA MOTOR CO LTD19 citations93
TOSHIBA KK
6 patentsUS5130761AJul 14, 1992
Led array with reflector and printed circuit board
TOSHIBA KK156 citations99
US6496576B2Dec 17, 2002
Digital key telephone system and extension terminal device thereof
TOSHIBA KK103 citations98
US7123126B2Oct 17, 2006
Method of and computer program product for monitoring person's movements
TOSHIBA KK82 citations97
US5841177ANov 24, 1998
Multicolor light emitting device
TOSHIBA KK126 citations97
US5763901AJun 9, 1998
Semiconductor light-emitting device and method for manufacturing the device
TOSHIBA KK88 citations96
US4814667AMar 21, 1989
Light emitting diode array having uniform illuminance distribution
TOSHIBA KK54 citations96
HITACHI LTD
3 patentsFUJITSU LTD
3 patentsUS6257782B1Jul 10, 2001
Key switch with sliding mechanism and keyboard
FUJITSU LTD99 citations98
US5451724ASep 19, 1995
Touch panel for detecting a coordinate of an arbitrary position where pressure is applied
FUJITSU LTD135 citations95
US5432530AJul 11, 1995
Pointing device and method of control of same
FUJITSU LTD101 citations95
HITACHI CHEMICAL CO LTD
2 patentsHITACHI DISPLAYS LTD
2 patentsTOSHIBA TEC KK
2 patentsKOKUSAI DENSHIN DENWA CO LTD
1 patentHONDA MOTOR CO LTD
1 patentSHARP KK
1 patentTORAY INDUSTRIES
1 patentShowing the top 50 of 302 patents by PatentIndex Score.