Inventor
SOTOKAWA HIDEO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “SOTOKAWA HIDEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
10 patentsUS5939789AAug 17, 1999
Multilayer substrates methods for manufacturing multilayer substrates and electronic devices
HITACHI LTD128 citations97
US5868949AFeb 9, 1999
Metalization structure and manufacturing method thereof
HITACHI LTD93 citations95
US7153758B2Dec 26, 2006
Anodic bonding method and electronic device having anodic bonding structure
HITACHI LTD42 citations92
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
US6813419B2Nov 2, 2004
Optical transmission module and optical communication system using the same
HITACHI LTD17 citations84
US6554491B2Apr 29, 2003
Optical module
HITACHI LTD6 citations73
US5958600ASep 28, 1999
Circuit board and method of manufacturing the same
HITACHI LTD11 citations73
US6635971B2Oct 21, 2003
Electronic device and optical transmission module
HITACHI LTD6 citations60
US5753372AMay 19, 1998
Wiring structures and method of manufacturing the same
HITACHI LTD3 citations59