Inventor
OKITA KOICHI
JP48 patents
⚠️ This page may combine multiple inventors who share the name “OKITA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
24 patentsUS4208745AJun 24, 1980
Vascular prostheses composed of polytetrafluoroethylene and process for their production
SUMITOMO ELECTRIC INDUSTRIES181 citations99
US4193138AMar 18, 1980
Composite structure vascular prostheses
SUMITOMO ELECTRIC INDUSTRIES146 citations97
US4113912ASep 12, 1978
Hydrophilic porous structures and process for production thereof
SUMITOMO ELECTRIC INDUSTRIES152 citations97
US4277429AJul 7, 1981
Production of asymmetric porous film materials
SUMITOMO ELECTRIC INDUSTRIES63 citations96
US4250138AFeb 10, 1981
Process for producing microporous tubes of polytetrafluoroethylene
SUMITOMO ELECTRIC INDUSTRIES63 citations96
US4248924AFeb 3, 1981
Asymmetric porous film materials and process for producing same
SUMITOMO ELECTRIC INDUSTRIES99 citations96
US4234535ANov 18, 1980
Process for producing porous polytetrafluoroethylene tubings
SUMITOMO ELECTRIC INDUSTRIES63 citations96
US4225547ASep 30, 1980
Extrusion process of polytetrafluoroethylene tubing materials and apparatus therefor
SUMITOMO ELECTRIC INDUSTRIES88 citations96
US4177334ADec 4, 1979
Microporous tubes
SUMITOMO ELECTRIC INDUSTRIES56 citations96
US4082893AApr 4, 1978
Porous polytetrafluoroethylene tubings and process of producing them
SUMITOMO ELECTRIC INDUSTRIES84 citations96
US4822361AApr 18, 1989
Tubular prosthesis having a composite structure
SUMITOMO ELECTRIC INDUSTRIES122 citations95
US4533369AAug 6, 1985
Gas-permselective composite membranes and process for the production thereof
SUMITOMO ELECTRIC INDUSTRIES33 citations93
US4104394AAug 1, 1978
Method for diametrically expanding thermally contractive ptfe resin tube
SUMITOMO ELECTRIC INDUSTRIES46 citations93
US5296510AMar 22, 1994
Method for treating the surface of a thin porous film material of tetrafluoroethylene resin
SUMITOMO ELECTRIC INDUSTRIES34 citations91
US4483901ANov 20, 1984
Selectively gas-permeable composite membrane and process for production thereof
SUMITOMO ELECTRIC INDUSTRIES29 citations87
US4238571ADec 9, 1980
Process for producing porous materials
SUMITOMO ELECTRIC INDUSTRIES28 citations82
US4671754AJun 9, 1987
Apparatus for manufacturing porous polytetrafluoroethylene material
SUMITOMO ELECTRIC INDUSTRIES23 citations81
US4230758AOct 28, 1980
Fluorine resin coated structure of aluminum or aluminum alloy
SUMITOMO ELECTRIC INDUSTRIES26 citations81
US4832713AMay 23, 1989
Gas-selectively permeable membrane and method of forming said membrane
SUMITOMO ELECTRIC INDUSTRIES18 citations74
US4734112AMar 29, 1988
Liquid membrane
SUMITOMO ELECTRIC INDUSTRIES12 citations73
US4705544ANov 10, 1987
Liquid membrane
SUMITOMO ELECTRIC INDUSTRIES11 citations73
US4496507AJan 29, 1985
Production of string-like polytetrafluoroethylene
SUMITOMO ELECTRIC INDUSTRIES19 citations73
US5252626AOct 12, 1993
Method for treating the surface of a thin porous film material
SUMITOMO ELECTRIC INDUSTRIES10 citations72
US5219894AJun 15, 1993
Method for treating the surface of a thin porous film material
SUMITOMO ELECTRIC INDUSTRIES5 citations72
HITACHI LTD
6 patentsUS7773981B2Aug 10, 2010
Wireless communication apparatus, wireless communication network and software upgrading method
HITACHI LTD24 citations92
US7937078B2May 3, 2011
Wireless communication apparatus, wireless communication network and software upgrading method
HITACHI LTD4 citations63
US7751808B2Jul 6, 2010
Wireless communication apparatus, wireless communication network and software upgrading method
HITACHI LTD2 citations63
US7991856B2Aug 2, 2011
Network system
HITACHI LTD5 citations61
US7937079B2May 3, 2011
Wireless communication apparatus, wireless communication network and software upgrading method
HITACHI LTD0 citations52
US12222864B2Feb 11, 2025
Data conversion apparatus, system, and method
HITACHI LTD0 citations44
HITACHI COMM TECH LTD
5 patentsUS7640013B2Dec 29, 2009
Wireless communication apparatus, wireless communication network and software upgrading method
HITACHI COMM TECH LTD10 citations92
US7447497B2Nov 4, 2008
Wireless communication apparatus, wireless communication network and software upgrading method
HITACHI COMM TECH LTD22 citations92
US7406310B2Jul 29, 2008
Network management apparatus and method of selecting base station for software update
HITACHI COMM TECH LTD20 citations92
US7647039B2Jan 12, 2010
Wireless communication apparatus, wireless communication network and software upgrading method
HITACHI COMM TECH LTD9 citations84
US7310519B2Dec 18, 2007
Wireless communication apparatus, wireless communication network and software upgrading method
HITACHI COMM TECH LTD9 citations74
YAMATO SCALE CO LTD
3 patentsUS6905464B2Jun 14, 2005
Visceral fat meter provided with tonometer
YAMATO SCALE CO LTD16 citations84
US6957167B2Oct 18, 2005
Visceral fat determining device with a weight-measuring function
YAMATO SCALE CO LTD6 citations63
US7383082B2Jun 3, 2008
Visceral fat determining device with a step-counting function
YAMATO SCALE CO LTD1 citations52
OKITA KOICHI
3 patentsUS8081961B2Dec 20, 2011
Network management apparatus and method of selecting base station for software update
OKITA KOICHI8 citations82
US8285270B2Oct 9, 2012
Wireless communication apparatus, wireless communication network and software upgrading method
OKITA KOICHI1 citations61
US8204493B2Jun 19, 2012
Wireless communication apparatus, wireless communication network and software upgrading method
OKITA KOICHI0 citations50
HITACHI COMM TECHNOLOGY LTD
2 patentsUS7194258B2Mar 20, 2007
Wireless communication apparatus, wireless communication network and software upgrading method
HITACHI COMM TECHNOLOGY LTD28 citations95
US7190952B2Mar 13, 2007
Wireless communication apparatus, wireless communication network and software upgrading method
HITACHI COMM TECHNOLOGY LTD22 citations91