Inventor
AOKI YUKIO
JP32 patents
⚠️ This page may combine multiple inventors who share the name “AOKI YUKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON CATALYTIC CHEM IND
13 patentsUS5276178AJan 4, 1994
Process for producing methacrolein and methacrylic acid
NIPPON CATALYTIC CHEM IND70 citations96
US4221768ASep 9, 1980
Catalyst for purifying exhaust and waste gases
NIPPON CATALYTIC CHEM IND129 citations96
US5198581AMar 30, 1993
Process for producing unsaturated aldehydes and unsaturated acids
NIPPON CATALYTIC CHEM IND68 citations95
US6429332B1Aug 6, 2002
Catalyst for production of acrylic acid and method for production of acrylic acid by the use of the catalyst
NIPPON CATALYTIC CHEM IND42 citations92
US5981804ANov 9, 1999
Catalyst for production of unsaturated aldehyde and unsaturated carboxylic acid and method for production of unsaturated aldehyde and unsaturated carboxylic acid by use of the catalyst
NIPPON CATALYTIC CHEM IND23 citations92
US5700752ADec 23, 1997
Catalyst for production of unsaturated aldehyde and unsaturated carboxylic acid and method for production of unsaturated aldehyde and unsaturated carboxylic acid by the use of the catalyst
NIPPON CATALYTIC CHEM IND29 citations92
US5618974AApr 8, 1997
Catalyst for production of methacrylic acid and method for production of methacrylic acid by the use of the catalyst
NIPPON CATALYTIC CHEM IND45 citations92
US4873217AOct 10, 1989
Catalyst for oxidation of olefin or tertiary alcohol and process for production thereof
NIPPON CATALYTIC CHEM IND42 citations92
US4018706AApr 19, 1977
Catalysts for purifying exhaust and waste gases
NIPPON CATALYTIC CHEM IND48 citations92
US5206431AApr 27, 1993
Process for producing methacrylic acid
NIPPON CATALYTIC CHEM IND43 citations91
US5153162AOct 6, 1992
Catalyst for the production of methacrylic acid
NIPPON CATALYTIC CHEM IND41 citations91
US5264627ANov 23, 1993
Method for production of methacrylic acid
NIPPON CATALYTIC CHEM IND25 citations90
US5329043AJul 12, 1994
Method of preparing methacrolein and/or methacrylic acid
NIPPON CATALYTIC CHEM IND9 citations73
MITSUBISHI ELECTRIC CORP
6 patentsUS5075585ADec 24, 1991
Rotary machine
MITSUBISHI ELECTRIC CORP70 citations93
US5677686AOct 14, 1997
Absolute position detection apparatus and error compensation methods therefor
MITSUBISHI ELECTRIC CORP49 citations92
US5276722AJan 4, 1994
Absolute multi-revolution encoder
MITSUBISHI ELECTRIC CORP23 citations92
US5406077AApr 11, 1995
Absolute value encoder and an output correction method of absolute value encoder having a signal processing/control circuit
MITSUBISHI ELECTRIC CORP23 citations89
US5231284AJul 27, 1993
Method and apparatus using laser light for detecting the rotational position of a servomotor and the like
MITSUBISHI ELECTRIC CORP12 citations74
US6323786B1Nov 27, 2001
Absolute-value encoder device
MITSUBISHI ELECTRIC CORP7 citations72
NIPPON YAKIN KOGYO CO LTD
3 patentsUS5593646AJan 14, 1997
Method for producing an exhaust gas cleaning metal carrier
NIPPON YAKIN KOGYO CO LTD23 citations90
US5557847ASep 24, 1996
Method of producing a metal honeycomb carrier
NIPPON YAKIN KOGYO CO LTD26 citations87
US5395599AMar 7, 1995
Catalyst-carrying metallic carrier and production method thereof
NIPPON YAKIN KOGYO CO LTD7 citations72