Inventor
YAMAMOTO YOJI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO YOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS6992427B2Jan 31, 2006
High-yield cathode body, cathode sleeve structure, and cathode-ray tube, cathode sleeve substrate, and cathode body production method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations49
US6828717B2Dec 7, 2004
Electron gun having short length and cathode-ray tube apparatus using such electron gun
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations49
US6294065B1Sep 25, 2001
Methods of manufacturing heater and cathode-ray tube comprising the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations44
US7414356B2Aug 19, 2008
Cathode structure including barrier for preventing metal bridging from heater to emitter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations39
MITSUI PETROCHEMICAL IND
3 patentsMATSUSHITA ELECTRONICS CORP
3 patentsUS6300711B1Oct 9, 2001
Indirectly heated cathode with a thermal absorption layer on the sleeve and cathode ray tube
MATSUSHITA ELECTRONICS CORP2 citations57
US6242854B1Jun 5, 2001
Indirectly heated cathode for a CRT having high purity alumina insulating layer with limited amounts of Na OR Si
MATSUSHITA ELECTRONICS CORP2 citations57
US6201345B1Mar 13, 2001
Cathode-ray tube with electron beams of increased current density
MATSUSHITA ELECTRONICS CORP1 citations51