Inventor
SAWADA YASUSHI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “SAWADA YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC WORKS LTD
10 patentsUS7543546B2Jun 9, 2009
Plasma processing apparatus, method for producing reaction vessel for plasma generation, and plasma processing method
MATSUSHITA ELECTRIC WORKS LTD76 citations97
US6489585B1Dec 3, 2002
Electrode for plasma generation, plasma treatment apparatus using the electrode, and plasma treatment with the apparatus
MATSUSHITA ELECTRIC WORKS LTD106 citations96
US6429400B1Aug 6, 2002
Plasma processing apparatus and method
MATSUSHITA ELECTRIC WORKS LTD110 citations96
US6424091B1Jul 23, 2002
Plasma treatment apparatus and plasma treatment method performed by use of the same apparatus
MATSUSHITA ELECTRIC WORKS LTD118 citations96
US6465964B1Oct 15, 2002
Plasma treatment apparatus and plasma generation method using the apparatus
MATSUSHITA ELECTRIC WORKS LTD87 citations95
US5585147ADec 17, 1996
Process for a surface treatment of a glass fabric
MATSUSHITA ELECTRIC WORKS LTD39 citations92
US5143748ASep 1, 1992
Timber surface improving treatment process
MATSUSHITA ELECTRIC WORKS LTD22 citations92
US4985225AJan 15, 1991
Process for producing aluminum nitride powders
MATSUSHITA ELECTRIC WORKS LTD26 citations92
US6670766B2Dec 30, 2003
Plasma treatment apparatus and plasma treatment method
MATSUSHITA ELECTRIC WORKS LTD16 citations82
US4673543AJun 16, 1987
Method of producing hardened inorganic products
MATSUSHITA ELECTRIC WORKS LTD14 citations69
HITACHI LTD
9 patentsUS5042027AAug 20, 1991
Communication network system and method of controlling a communication network
HITACHI LTD369 citations98
US6424445B1Jul 23, 2002
Optical transmission apparatus and optical systems
HITACHI LTD26 citations92
US6304346B1Oct 16, 2001
Fault restoration control method and it's apparatus in a communication network
HITACHI LTD18 citations84
US7302176B2Nov 27, 2007
Optical network
HITACHI LTD12 citations82
US4673959AJun 16, 1987
Heterojunction FET with doubly-doped channel
HITACHI LTD20 citations82
US6731874B2May 4, 2004
Optical transmission apparatus and optical systems
HITACHI LTD6 citations74
US4605945AAug 12, 1986
Semiconductor device
HITACHI LTD15 citations73
US4672406AJun 9, 1987
Semiconductor member and semiconductor device employing the same
HITACHI LTD3 citations63
US7194205B2Mar 20, 2007
Optical transmission apparatus and optical systems
HITACHI LTD0 citations52