Inventor
ISHII TAKAFUMI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “ISHII TAKAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON OIL CO LTD
8 patentsUS5288426AFeb 22, 1994
Nonlinear optical materials
NIPPON OIL CO LTD10 citations74
US4857427AAug 15, 1989
Recording medium
NIPPON OIL CO LTD11 citations74
US5766518AJun 16, 1998
Light modulating materials
NIPPON OIL CO LTD11 citations73
US5746934AMay 5, 1998
Electro rheological fluid comprising lyotropic liquid crystalline polymer
NIPPON OIL CO LTD13 citations73
US5536428AJul 16, 1996
Electro rheological fluid comprising lyotropic liquid crystalline polymer
NIPPON OIL CO LTD5 citations73
US5097016AMar 17, 1992
Nonlinear optical materials of polypeptides
NIPPON OIL CO LTD9 citations69
US5679280AOct 21, 1997
Electro rheological fluid
NIPPON OIL CO LTD4 citations62
US5230825AJul 27, 1993
Chiral smectic c liquid crystalline polyester
NIPPON OIL CO LTD1 citations52
MEIJI SEIKA KAISHA
3 patentsJAPAN PIONICS
3 patentsUS7489857B2Feb 10, 2009
Process and apparatus for producing powders of metal compound containing oxygen, and the powders produced by the process
JAPAN PIONICS2 citations61
US7195795B2Mar 27, 2007
Material for forming insulation film and film-forming method with the use of the material
JAPAN PIONICS3 citations58
US7297322B2Nov 20, 2007
Process and apparatus for producing powders of metal compound containing oxygen, and the powders produced by the process
JAPAN PIONICS0 citations51
ISHII TAKAFUMI
2 patentsUS8860430B2Oct 14, 2014
Insulation resistance measurement device and insulation resistance measurement method
ISHII TAKAFUMI4 citations65
US9176201B2Nov 3, 2015
Ground fault detection device, ground fault detection method, solar energy system, and ground fault detection program
ISHII TAKAFUMI5 citations62