Inventor
TAKEUCHI ETSU
JP10 patents
⚠️ This page may combine multiple inventors who share the name “TAKEUCHI ETSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO BAKELITE CO
4 patentsUS5449584ASep 12, 1995
Positive photo-sensitive resin composition comprising a photosensitive polybenzoxazole or a mixture of a polybenzoxazole, an organic solvent soluble polymer and a diazoquinone and/or a dihydropyridine compound
SUMITOMO BAKELITE CO80 citations94
US5385808AJan 31, 1995
Photosensitive resin composition and semiconductor apparatus using it
SUMITOMO BAKELITE CO21 citations91
US5238784AAug 24, 1993
Photosensitive resin composition with polyamic acid polymer
SUMITOMO BAKELITE CO20 citations80
US5507903AApr 16, 1996
Process for producing two-layered tape for tab
SUMITOMO BAKELITE CO18 citations69
PROMERUS LLC
3 patentsUS7524594B2Apr 28, 2009
Photosensitive dielectric resin compositions, films formed therefrom and semiconductor and display devices encompassing such films
PROMERUS LLC29 citations90
US8053515B2Nov 8, 2011
Directly photodefinable polymer compositions and methods thereof
PROMERUS LLC6 citations60
US7858721B2Dec 28, 2010
Photosensitive dielectric resin compositions, films formed therefrom and semiconductor and display devices encompassing such films
PROMERUS LLC1 citations50
RIKEN
2 patentsUS6528231B1Mar 4, 2003
Photosensitive resin composition, printed wiring board, substrate for disposing semiconductor chips, semiconductor device and processes for producing a printed wiring board, a substrate for disposing semiconductor chips and a semiconductor device
RIKEN8 citations73
US6709804B2Mar 23, 2004
Printed wiring board and semiconductor device and processes to prepare the same
RIKEN0 citations51