Inventor
IWASAKI CHISATO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “IWASAKI CHISATO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FRONTEC INC
9 patentsUS5726077AMar 10, 1998
Method of producing an electro-optical device
FRONTEC INC35 citations92
US5714407AFeb 3, 1998
Etching agent, electronic device and method of manufacturing the device
FRONTEC INC53 citations92
US5609737AMar 11, 1997
Film manufacturing method using single reaction chamber for chemical-vapor deposition and sputtering
FRONTEC INC39 citations92
US5550091AAug 27, 1996
Method of sputtering a silicon nitride film
FRONTEC INC35 citations92
US5879958AMar 9, 1999
Method of producing an electro-optical device
FRONTEC INC6 citations74
US5869351AFeb 9, 1999
Method of producing an electro-optical device
FRONTEC INC5 citations74
US5623161AApr 22, 1997
Electronic element and method of producing same
FRONTEC INC8 citations73
US5681487AOct 28, 1997
Method of removing photoresist film
FRONTEC INC11 citations71
US5837559ANov 17, 1998
Method of producing an electro-optical device
FRONTEC INC2 citations63
ALPS ELECTRIC CO LTD
5 patentsUS5755938AMay 26, 1998
Single chamber for CVD and sputtering film manufacturing
ALPS ELECTRIC CO LTD112 citations97
US7336254B2Feb 26, 2008
Shift register that suppresses operation failure due to transistor threshold variations, and liquid crystal driving circuit including the shift register
ALPS ELECTRIC CO LTD21 citations92
US4853755AAug 1, 1989
Method for manufacturing a thin-film transistor array and a thin-film transistor array manufactured by the method
ALPS ELECTRIC CO LTD21 citations82
US4839510AJun 13, 1989
Optical sensor including shortcircuit protection having notched electrode regions
ALPS ELECTRIC CO LTD10 citations73
US4786780ANov 22, 1988
Method for trimming thin-film transistor array
ALPS ELECTRIC CO LTD16 citations70