Inventor
KUMADA HIROAKI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “KUMADA HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
4 patentsUS5851646ADec 22, 1998
Prepreg, process for producing the same and printed circuit substrate/board using the same
SUMITOMO CHEMICAL CO52 citations95
US6121171ASep 19, 2000
Composite film comprising low-dielectric resin and paraoriented aromatic polyamide
SUMITOMO CHEMICAL CO24 citations92
US6033765AMar 7, 2000
Prepreg process for producing the same and printed circuit substrate/board using the same
SUMITOMO CHEMICAL CO11 citations72
US6843887B2Jan 18, 2005
Low hygroscopic paper and method of producing the same
SUMITOMO CHEMICAL CO4 citations61
UNIV TSUKUBA
4 patentsUS9789335B2Oct 17, 2017
MgF2—CaF2 binary system sintered body for radiation moderator and method for producing the same
UNIV TSUKUBA2 citations70
US12362075B2Jul 15, 2025
Sintered body for radiation shielding material, radiation shielding material, and method for producing the same
UNIV TSUKUBA0 citations62
US10961160B2Mar 30, 2021
Fluoride sintered body for neutron moderator and method for producing the same
UNIV TSUKUBA0 citations59
US10777330B2Sep 15, 2020
MgF2 system fluoride sintered body for radiation moderator and method for producing the same
UNIV TSUKUBA1 citations59