Inventor
KITAHARA KOICHI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “KITAHARA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JAPAN PIONICS
11 patentsUS5670445ASep 23, 1997
Cleaning agent of harmful gas and cleaning method
JAPAN PIONICS25 citations92
US5261241ANov 16, 1993
Refrigerant
JAPAN PIONICS58 citations92
US4743435AMay 10, 1988
Method for cleaning exhaust gases
JAPAN PIONICS30 citations92
US5429762AJul 4, 1995
Cooling agent
JAPAN PIONICS22 citations91
US5194233AMar 16, 1993
Process for purification of rare gas
JAPAN PIONICS35 citations89
US4996030AFeb 26, 1991
Method for cleaning exhaust gases
JAPAN PIONICS40 citations89
US4910001AMar 20, 1990
Method for cleaning gas containing toxic component
JAPAN PIONICS34 citations89
US5019364AMay 28, 1991
Method for purifying gaseous hydrides
JAPAN PIONICS7 citations73
US4976942ADec 11, 1990
Method for purifying gaseous hydrides
JAPAN PIONICS13 citations73
US5294422AMar 15, 1994
Process for purification of rare gas
JAPAN PIONICS13 citations71
US4731333AMar 15, 1988
Method for detecting gaseous hydrides
JAPAN PIONICS4 citations63
TOSHIBA KK
5 patentsUS5493148AFeb 20, 1996
Semiconductor device whose output characteristic can be adjusted by functional trimming
TOSHIBA KK52 citations92
US4948748AAug 14, 1990
Manufacture of a substrate structure for a composite semiconductor device using wafer bonding and epitaxial refill
TOSHIBA KK42 citations91
US4879584ANov 7, 1989
Semiconductor device with isolation between MOSFET and control circuit
TOSHIBA KK29 citations91
US4985745AJan 15, 1991
Substrate structure for composite semiconductor device
TOSHIBA KK22 citations89
US5418383AMay 23, 1995
Semiconductor device capable of previously evaluating characteristics of power output element
TOSHIBA KK10 citations73