P

Inventor

KATAOKA FUMIO

JP20 patents
⚠️ This page may combine multiple inventors who share the name “KATAOKA FUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

16 patents
US5388328AFeb 14, 1995

Process for fabricating an interconnected multilayer board

HITACHI LTD69 citations95
US5300735AApr 5, 1994

Interconnected multilayer boards and fabrication processes thereof

HITACHI LTD42 citations95
US4748228AMay 31, 1988

Process for producing organic silicon-terminated polyimide precursor and polyimide

HITACHI LTD55 citations94
US5536584AJul 16, 1996

Polyimide precursor, polyimide and metalization structure using said polyimide

HITACHI LTD37 citations92
US5272247ADec 21, 1993

Polyimide precursor, cured product thereof, and processes for producing them

HITACHI LTD30 citations92
US4513132AApr 23, 1985

Heat-resistant silicone block polymer

HITACHI LTD43 citations92
US4451551AMay 29, 1984

Radiation-sensitive poly(amic acid) polymer composition

HITACHI LTD43 citations90
US4554237ANov 19, 1985

Photosensitive resin composition and method for forming fine patterns with said composition

HITACHI LTD22 citations82
US4565767AJan 21, 1986

Light-sensitive polymer composition with poly(amic acid), bisazide, and tertiary amine compound

HITACHI LTD24 citations81
US4727185AFeb 23, 1988

Process for preparation of 3,3',4,4'-biphenyltetracarboxylic acid salts

HITACHI LTD12 citations74
US6087006AJul 11, 2000

Surface-protecting film and resin-sealed semiconductor device having said film

HITACHI LTD10 citations73
US5399758AMar 21, 1995

Diacylhydrazine photo-reactive compounds

HITACHI LTD15 citations71
US5851681ADec 22, 1998

Wiring structure with metal wiring layers and polyimide layers, and fabrication process of multilayer wiring board

HITACHI LTD8 citations70
US4587197AMay 6, 1986

Flexible photosensitive polymer composition with azide and/or amine compound, poly(amic acid) and highly polar compound with boiling point above 150° C.

HITACHI LTD11 citations70
US5753372AMay 19, 1998

Wiring structures and method of manufacturing the same

HITACHI LTD3 citations59
US6200831B1Mar 13, 2001

Surface-protecting film and resin-sealed semiconductor device having said film

HITACHI LTD1 citations51

HITACHI CHEMICAL CO LTD

2 patents

TOCHIGI FUJI SANGYO KK

1 patent

TAKAHARA YOICHI

1 patent