Inventor
KIKUCHI TOHRU
JP19 patents
⚠️ This page may combine multiple inventors who share the name “KIKUCHI TOHRU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CHEMICAL CO LTD
12 patentsUS4968759ANov 6, 1990
Phenolic polymer and production thereof
HITACHI CHEMICAL CO LTD60 citations96
US4897438AJan 30, 1990
Stabilized synthetic resin composition
HITACHI CHEMICAL CO LTD52 citations96
US5102962AApr 7, 1992
Phenolic polymer and production thereof
HITACHI CHEMICAL CO LTD51 citations92
US5087658AFeb 11, 1992
Heat-resistant resin paste and integrated circuit device produced by using the heat-resistant resin paste
HITACHI CHEMICAL CO LTD22 citations92
US5350811ASep 27, 1994
Epoxy resin and adhesive composition containing the same
HITACHI CHEMICAL CO LTD32 citations91
US5164816ANov 17, 1992
Integrated circuit device produced with a resin layer produced from a heat-resistant resin paste
HITACHI CHEMICAL CO LTD18 citations74
US4958001ASep 18, 1990
Dicyclohexyl-3,4,3',4'-tetracarboxylic acid or dianhydride thereof and polyamide-acid and polyimide obtained therefrom
HITACHI CHEMICAL CO LTD9 citations73
US5258139ANov 2, 1993
Epoxy resin and adhesive composition containing the same
HITACHI CHEMICAL CO LTD7 citations72
US4912233AMar 27, 1990
Para- or meta-terphenyltetracarboxylic acid, dianhydride thereof and process for preparing the same
HITACHI CHEMICAL CO LTD4 citations63
US5055593AOct 8, 1991
1,3-bis(dicarboxyphenyl)-1,1,3,3-tetraphenyldisiloxane derivative, process for producing the same, and process for producing polyimide from the same
HITACHI CHEMICAL CO LTD3 citations62
US5242917ASep 7, 1993
Tetracarboxylic acid dianhydride having disiloxane linkage and process for producing the same
HITACHI CHEMICAL CO LTD0 citations52
US5166363ANov 24, 1992
Process for producing 1,3-bis(dicarboxyphenyl)-disiloxane derivative or dianhydride thereof
HITACHI CHEMICAL CO LTD1 citations52