Inventor
TAKAI KEIJI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “TAKAI KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI HIGH TEC
4 patentsUS5717252AFeb 10, 1998
Solder-ball connected semiconductor device with a recessed chip mounting area
MITSUI HIGH TEC159 citations98
US5661086AAug 26, 1997
Process for manufacturing a plurality of strip lead frame semiconductor devices
MITSUI HIGH TEC126 citations95
US5614443AMar 25, 1997
Method of producing a frame made of connected semiconductor die mounting substrates
MITSUI HIGH TEC18 citations81
US8003444B2Aug 23, 2011
Semiconductor device and manufacturing method thereof
MITSUI HIGH TEC4 citations56