Inventor
DOI AKIRA
JP40 patents
⚠️ This page may combine multiple inventors who share the name “DOI AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
8 patentsUS6833051B2Dec 21, 2004
Plasma processing apparatus and method
HITACHI LTD33 citations96
US6388382B1May 14, 2002
Plasma processing apparatus and method
HITACHI LTD78 citations96
US6180019B1Jan 30, 2001
Plasma processing apparatus and method
HITACHI LTD51 citations96
US6499424B2Dec 31, 2002
Plasma processing apparatus and method
HITACHI LTD23 citations93
US6756737B2Jun 29, 2004
Plasma processing apparatus and method
HITACHI LTD37 citations92
US6846363B2Jan 25, 2005
Plasma processing apparatus and method
HITACHI LTD11 citations82
US6481370B2Nov 19, 2002
Plasma processsing apparatus
HITACHI LTD10 citations74
US7635860B2Dec 22, 2009
Manufacturing method of organic thin-film transistors and equipment for manufacturing the same
HITACHI LTD0 citations42
SUMITOMO ELECTRIC INDUSTRIES
7 patentsUS4634600AJan 6, 1987
Surface treatment process
SUMITOMO ELECTRIC INDUSTRIES63 citations96
US4501717AFeb 26, 1985
Sintering method using a plasma gas atmosphere
SUMITOMO ELECTRIC INDUSTRIES36 citations92
US4474849AOct 2, 1984
Coated hard alloys
SUMITOMO ELECTRIC INDUSTRIES21 citations82
US4882238ANov 21, 1989
Die for use in forming lens
SUMITOMO ELECTRIC INDUSTRIES15 citations74
US4383957AMay 17, 1983
Method of sintering a ceramic composition
SUMITOMO ELECTRIC INDUSTRIES15 citations74
US5356661AOct 18, 1994
Heat transfer insulated parts and manufacturing method thereof
SUMITOMO ELECTRIC INDUSTRIES15 citations72
US4485080ANov 27, 1984
Process for the production of diamond powder
SUMITOMO ELECTRIC INDUSTRIES5 citations61
NISSIN ELECTRIC CO LTD
6 patentsUS6136386AOct 24, 2000
Method of coating polymer or glass objects with carbon films
NISSIN ELECTRIC CO LTD89 citations98
US6564744B2May 20, 2003
Plasma CVD method and apparatus
NISSIN ELECTRIC CO LTD52 citations96
US6465057B1Oct 15, 2002
Plasma CVD method and apparatus
NISSIN ELECTRIC CO LTD48 citations96
US6893720B1May 17, 2005
Object coated with carbon film and method of manufacturing the same
NISSIN ELECTRIC CO LTD47 citations92
US6023025AFeb 8, 2000
Electric wire and manufacturing method thereof
NISSIN ELECTRIC CO LTD5 citations63
US5843293ADec 1, 1998
Arc-type evaporator
NISSIN ELECTRIC CO LTD6 citations58
MITSUBISHI ELECTRIC CORP
4 patentsUS6032730AMar 7, 2000
Heat exchanger and method of manufacturing a heat exchanging member of a heat exchanger
MITSUBISHI ELECTRIC CORP52 citations95
US5938527AAug 17, 1999
Air ventilation or air supply system
MITSUBISHI ELECTRIC CORP101 citations95
US5653106AAug 5, 1997
Exothermic heat generating apparatus
MITSUBISHI ELECTRIC CORP68 citations95
US6076598AJun 20, 2000
Opposed flow heat exchanger
MITSUBISHI ELECTRIC CORP17 citations83
MORIKAWA SANGYO
3 patentsUS5503591AApr 2, 1996
Apparatus for decontaminating substances contaminated with radioactivity
MORIKAWA SANGYO13 citations73
US5302324AApr 12, 1994
Method for decontaminating substances contaminated with radioactivity, and method for decontaminating the materials used for said decontamination
MORIKAWA SANGYO12 citations73
US5126077AJun 30, 1992
Radioactive decontamination method using methylene chloride
MORIKAWA SANGYO3 citations58