Inventor
SAITOH TAKESHI
JP40 patents
⚠️ This page may combine multiple inventors who share the name “SAITOH TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
11 patentsUS4328531AMay 4, 1982
Thick film multilayer substrate
HITACHI LTD197 citations98
US6570490B1May 27, 2003
Contactless IC card
HITACHI LTD61 citations96
US4353132AOct 5, 1982
Double superheterodyne tuner
HITACHI LTD59 citations96
US6963269B2Nov 8, 2005
Contactless IC card
HITACHI LTD17 citations92
US6010075AJan 4, 2000
Moving object identification method and apparatus
HITACHI LTD25 citations92
US4491976AJan 1, 1985
Wide-band tuner having a temperature-compensated microstrip resonator arrangement
HITACHI LTD43 citations91
US3959728AMay 25, 1976
Local oscillation circuit for tuner having reduced inter-channel deviation in AFC sensitivity
HITACHI LTD9 citations74
US4352076ASep 28, 1982
Band pass filters
HITACHI LTD8 citations73
US4056787ANov 1, 1977
Self-oscillating mixer circuit
HITACHI LTD7 citations73
US4589016AMay 13, 1986
FM television signal receiving circuit
HITACHI LTD2 citations62
US4564822AJan 14, 1986
TV Tuner oscillator with feedback for more low frequency power
HITACHI LTD5 citations62
HITACHI CHEMICAL CO LTD
5 patentsUS11446845B2Sep 20, 2022
Method for manufacturing FRP precursor and method for manufacturing FRP
HITACHI CHEMICAL CO LTD2 citations69
US10933562B2Mar 2, 2021
Method for producing FRP precursor and device for producing same
HITACHI CHEMICAL CO LTD0 citations60
US10856423B2Dec 1, 2020
Prepreg, printed circuit board, semiconductor package, and method for producing printed circuit board
HITACHI CHEMICAL CO LTD0 citations49
US11497117B2Nov 8, 2022
Metal-clad laminate, printed wiring board and semiconductor package
HITACHI CHEMICAL CO LTD0 citations47
US11040517B2Jun 22, 2021
Printed wiring board and semiconductor package
HITACHI CHEMICAL CO LTD0 citations45
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS6429577B1Aug 6, 2002
Discharge lamp with outer tube comprising silicon dioxide and boron
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US6384535B1May 7, 2002
Lamp with shading film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US6287163B2Sep 11, 2001
Method for applying shading coatings to lamps
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US6376988B1Apr 23, 2002
Discharge lamp for automobile headlight and the automobile headlight
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations62
TOSHIBA TUNGALOY CO LTD
3 patentsUS4985070AJan 15, 1991
High strength nitrogen-containing cermet and process for preparation thereof
TOSHIBA TUNGALOY CO LTD46 citations91
US4990410AFeb 5, 1991
Coated surface refined sintered alloy
TOSHIBA TUNGALOY CO LTD11 citations72
US4963321AOct 16, 1990
Surface refined sintered alloy and process for producing the same and coated surface refined sintered alloy comprising rigid film coated on the alloy
TOSHIBA TUNGALOY CO LTD10 citations72
RICOH CO LTD
3 patentsUS7904011B2Mar 8, 2011
Temperature control unit and image forming apparatus including same
RICOH CO LTD8 citations84
US7899382B2Mar 1, 2011
Lubricant supplier, process cartridge including same, and image forming apparatus including same
RICOH CO LTD13 citations84
US8014715B2Sep 6, 2011
Fixing apparatus using fixing solution and image forming apparatus including the fixing apparatus
RICOH CO LTD0 citations52
RICOH KK
3 patentsUS7813689B2Oct 12, 2010
Fixing device and image forming apparatus
RICOH KK9 citations84
US7711308B2May 4, 2010
Cleaning device, process cartridge, and image forming apparatus
RICOH KK16 citations84
US7689145B2Mar 30, 2010
Replacement unit, image forming apparatus, and method of attaching replacement unit of image forming apparatus
RICOH KK7 citations74
RISO KAGAKU CORP
3 patentsUS5323699AJun 28, 1994
Used stencil sheet disposal device
RISO KAGAKU CORP16 citations73
US6318254B1Nov 20, 2001
Stencil printing machine having static electricity discharging members
RISO KAGAKU CORP3 citations63
US6308946B1Oct 30, 2001
Image forming machine with foreign material removal apparatus
RISO KAGAKU CORP0 citations42