Inventor
YAMADA TOSHIAKI
JP66 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA TOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI GAS CHEMICAL CO
7 patentsUS7078562B2Jul 18, 2006
Adamantane derivatives and resin compositions using the same as raw material
MITSUBISHI GAS CHEMICAL CO52 citations92
US5086112AFeb 4, 1992
Solvent-resistant polyphenylene ether resin composition
MITSUBISHI GAS CHEMICAL CO30 citations92
US4914153AApr 3, 1990
Solvent-resistant polyphenylene ether resin composition
MITSUBISHI GAS CHEMICAL CO28 citations92
US5387652AFeb 7, 1995
Resin composition of polyamideimide and polyphenylene sulfide
MITSUBISHI GAS CHEMICAL CO8 citations73
US5321097AJun 14, 1994
Heat-resistant resin composition
MITSUBISHI GAS CHEMICAL CO7 citations72
US7592065B2Sep 22, 2009
Insulated ultrafine powder, process for producing same and resin composite material with high dielectric constant using same
MITSUBISHI GAS CHEMICAL CO1 citations62
US7098273B2Aug 29, 2006
Resin composition
MITSUBISHI GAS CHEMICAL CO4 citations61
TDK CORP
5 patentsUS6420476B1Jul 16, 2002
Composite dielectric material composition, and film, substrate, electronic part and molded article produced therefrom
TDK CORP59 citations94
US6500535B1Dec 31, 2002
Heat resistant, low dielectric polymers, and films, substrates, electronic parts and heat resistant resin molded parts using the same
TDK CORP27 citations91
US6102980AAug 15, 2000
Dust core, ferromagnetic powder composition therefor, and method of making
TDK CORP25 citations90
US5914283AJun 22, 1999
Low dielectric polymer and film, substrate and electronic part using the same
TDK CORP16 citations71
US6713581B2Mar 30, 2004
Crosslinkable polymer material of low relative permittivity, and films, substrates and electronic units formed of it
TDK CORP2 citations59
PENTAX RICOH IMAGING CO LTD
5 patentsUS8947586B2Feb 3, 2015
Diaphragm control apparatus of interchangeable lens camera
PENTAX RICOH IMAGING CO LTD4 citations73
US8753024B2Jun 17, 2014
Shock-absorbing mechanism for movable mirror of camera
PENTAX RICOH IMAGING CO LTD3 citations63
US9152011B2Oct 6, 2015
Diaphragm control apparatus of interchangeable lens camera
PENTAX RICOH IMAGING CO LTD1 citations52
US8894301B2Nov 25, 2014
Shock-absorbing mechanism for movable mirror of camera
PENTAX RICOH IMAGING CO LTD0 citations52
US8845211B2Sep 30, 2014
Shock-absorbing mechanism for movable mirror of camera
PENTAX RICOH IMAGING CO LTD0 citations52
HOYA CORP
5 patentsUS7412161B2Aug 12, 2008
Pop-up flash of a camera
HOYA CORP3 citations63
US7406258B2Jul 29, 2008
Pop-up flash of a camera
HOYA CORP3 citations63
US7974530B2Jul 5, 2011
Diaphragm control apparatus of interchangeable lens camera
HOYA CORP2 citations62
US7970273B2Jun 28, 2011
Diaphragm control apparatus of interchangeable lens camera
HOYA CORP2 citations62
US7970274B2Jun 28, 2011
Diaphragm control apparatus of interchangeable lens camera
HOYA CORP5 citations62
RICOH KK
4 patentsUS5521719AMay 28, 1996
Communication apparatus having improved group 3 facsimile subaddress communication function
RICOH KK170 citations99
US5400335AMar 21, 1995
Communications system for an ISDN and a LAN, and an ISDN-LAN connection terminal
RICOH KK48 citations93
US4716543ADec 29, 1987
Terminal device for editing document and communicating data
RICOH KK39 citations92
US5613150AMar 18, 1997
Apparatus for producing operational manual
RICOH KK11 citations74
YAMAHA MOTOR CO LTD
3 patentsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
3 patentsASMO CO LTD
2 patentsFUJITSU LTD
2 patentsDAIKIN IND LTD
2 patentsRICOH IMAGING CO LTD
2 patentsALPS ELECTRIC CO LTD
1 patentMITSUBISHI GAS COMPANY INC
1 patentSHIKOKU CHEM
1 patentMATSUMOTO TAKAHIRO
1 patentMITSUI TOATSU CHEMICALS
1 patentSZ DJI TECHNOLOGY CO LTD
1 patentYAMADA TOSHIAKI
1 patentKATO NORIYUKI
1 patentRAPYUTA ROBOTICS CO LTD
1 patentISHINO YUKIHIDE
1 patentShowing the top 50 of 66 patents by PatentIndex Score.