Inventor
KOYANAGI KAORU
JP19 patents
⚠️ This page may combine multiple inventors who share the name “KOYANAGI KAORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEMICONDUCTOR ENERGY LAB
14 patentsUS4986213AJan 22, 1991
Semiconductor manufacturing device
SEMICONDUCTOR ENERGY LAB121 citations99
US4888305ADec 19, 1989
Method for photo annealing non-single crystalline semiconductor films
SEMICONDUCTOR ENERGY LAB131 citations99
US4691995ASep 8, 1987
Liquid crystal filling device
SEMICONDUCTOR ENERGY LAB501 citations98
US5296405AMar 22, 1994
Method for photo annealing non-single crystalline semiconductor films
SEMICONDUCTOR ENERGY LAB100 citations96
US4799776AJan 24, 1989
Ferroelectric liquid crystal display device having a single polarizer
SEMICONDUCTOR ENERGY LAB67 citations96
US5196954AMar 23, 1993
Liquid crystal display
SEMICONDUCTOR ENERGY LAB32 citations92
US5171710ADec 15, 1992
Method for photo annealing non-single crystalline semiconductor films
SEMICONDUCTOR ENERGY LAB41 citations92
US5089426AFeb 18, 1992
Method for manufacturing a semiconductor device free from electrical shortage due to pin-hole formation
SEMICONDUCTOR ENERGY LAB41 citations92
US4861143AAug 29, 1989
Liquid crystal display capable of displaying grey tone
SEMICONDUCTOR ENERGY LAB48 citations92
US4786607ANov 22, 1988
Method for manufacturing a semiconductor device free from current leakage through a semiconductor layer
SEMICONDUCTOR ENERGY LAB40 citations92
US4725558AFeb 16, 1988
Semiconductor defects curing method and apparatus
SEMICONDUCTOR ENERGY LAB49 citations92
US4937651AJun 26, 1990
Semiconductor device free from the current leakage through a semiconductor layer and method for manufacturing same
SEMICONDUCTOR ENERGY LAB20 citations82
US5353140AOct 4, 1994
Liquid crystal display
SEMICONDUCTOR ENERGY LAB6 citations74
US4812415AMar 14, 1989
Method for making semiconductor device free from electrical short circuits through a semiconductor layer
SEMICONDUCTOR ENERGY LAB15 citations74
TOKYO ELECTRIC POWER CO
4 patentsUS6868311B2Mar 15, 2005
Method and system for on-line dynamical screening of electric power system
TOKYO ELECTRIC POWER CO20 citations90
US4329637AMay 11, 1982
Control apparatus for a synchronous machine
TOKYO ELECTRIC POWER CO35 citations84
US7761402B2Jul 20, 2010
Group-based BCU methods for on-line dynamical security assessments and energy margin calculations of practical power systems
TOKYO ELECTRIC POWER CO5 citations72
US7483826B2Jan 27, 2009
Group-based BCU methods for on-line dynamical security assessments and energy margin calculations of practical power systems
TOKYO ELECTRIC POWER CO3 citations61