Inventor
HACHIYA SATOSHI
JP49 patents
⚠️ This page may combine multiple inventors who share the name “HACHIYA SATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IDEMITSU KOSAN CO
27 patentsUS6780386B1Aug 24, 2004
Carbon monoxide oxidation catalyst, and method for production of hydrogen-containing gas
IDEMITSU KOSAN CO20 citations92
US5332521AJul 26, 1994
Ferroelectric liquid crystal composition, liquid crystal optical device produced by using the ferroelectric liquid crystal composition, and method of producing the liquid crystal optical device
IDEMITSU KOSAN CO39 citations92
US5200108AApr 6, 1993
Ferroelectric liquid crystal composition, liquid crystal optical device produced by using the ferroelectric liquid crystal composition, and method of producing the liquid crystal optical device
IDEMITSU KOSAN CO27 citations92
US4818807AApr 4, 1989
Liquid-crystalline polymer
IDEMITSU KOSAN CO48 citations92
US7393618B2Jul 1, 2008
Composition for color converting member and production method of color conversion substrate using the same
IDEMITSU KOSAN CO40 citations90
US7420065B2Sep 2, 2008
Hetero-polycyclic compounds, and coloring matters, pigments, dyes, color-changing material compositions, and color-changing films, made by using the compounds
IDEMITSU KOSAN CO15 citations79
US4954600ASep 4, 1990
Ferroelectric liquid-crystalline polymer and epoxide usable to preparation of the ferroelectric liquid-crystalline polymer
IDEMITSU KOSAN CO14 citations74
US5437816AAug 1, 1995
High polymer and ferroelectric liquid crystal composition utilizing same
IDEMITSU KOSAN CO12 citations73
US5380915AJan 10, 1995
Liquid-crystalline copolymer, process for the preparation of the same, diene compound used for the preparation of the same and process for the preparation of the diene compound
IDEMITSU KOSAN CO4 citations73
US5264517ANov 23, 1993
High polymer and ferroelectric liquid crystal composition utilizing same
IDEMITSU KOSAN CO7 citations73
US4915867AApr 10, 1990
Liquid crystal high molecular material
IDEMITSU KOSAN CO17 citations73
US4904065AFeb 27, 1990
Liquid crystal optical element and method of producing the same using ferroelectric polymer liquid crystal
IDEMITSU KOSAN CO16 citations73
US8013160B2Sep 6, 2011
Fluorene-based derivative and organic electroluminescence device employing the same
IDEMITSU KOSAN CO3 citations63
US7781628B2Aug 24, 2010
Fluorene-based derivative and organic electroluminescence device employing the same
IDEMITSU KOSAN CO4 citations63
US7683225B2Mar 23, 2010
Fluorene-based derivative and organic electroluminescence device employing the same
IDEMITSU KOSAN CO3 citations63
US7221090B2May 22, 2007
Blue organic electroluminescent device and display using same
IDEMITSU KOSAN CO3 citations63
US5248446ASep 28, 1993
Liquid-crystalline copolymer
IDEMITSU KOSAN CO2 citations63
US5190687AMar 2, 1993
Liquid-crystalline polymers and copolymers
IDEMITSU KOSAN CO4 citations63
US5686021ANov 11, 1997
Liquid crystal display device, methods of producing and driving the liquid crystal display device, and liquid crystal composition
IDEMITSU KOSAN CO7 citations62
US5425897AJun 20, 1995
Liquid-crystalline copolymer, process for the preparation of the same, diene compound used for the preparation of the same and process for the preparation of the diene compound
IDEMITSU KOSAN CO1 citations62
US5350538ASep 27, 1994
High polymer, ferroelectric liquid-crystalline composition containing the high polymer and raw material of the high polymer
IDEMITSU KOSAN CO4 citations62
US5281685AJan 25, 1994
Liquid-crystalline copolymer, process for the preparation of the same, diene compound used for the preparation of the same and process for the preparation of the diene compound
IDEMITSU KOSAN CO2 citations62
US11421115B2Aug 23, 2022
Composition for electroless plating underlying membrane
IDEMITSU KOSAN CO0 citations61
US6638204B2Oct 28, 2003
Method of disposal of waste containing heavy metal
IDEMITSU KOSAN CO2 citations57
US5336435AAug 9, 1994
High polymer and ferroelectric liquid crystal composition utilizing same
IDEMITSU KOSAN CO1 citations52
US5243065ASep 7, 1993
Liquid-crystalline compounds and liquid-crystalline polymers
IDEMITSU KOSAN CO0 citations52
US5190686AMar 2, 1993
Liquid-crystalline copolymer
IDEMITSU KOSAN CO1 citations52
PIONEER CORP
15 patentsUS9602900B2Mar 21, 2017
Speaker frame and speaker having the same
PIONEER CORP6 citations83
US9351058B2May 24, 2016
Speaker frame and speaker having the same
PIONEER CORP6 citations83
US9148715B2Sep 29, 2015
Speaker frame and speaker having the same
PIONEER CORP5 citations83
US10194236B2Jan 29, 2019
Speaker frame and speaker having the same
PIONEER CORP2 citations72
US7849958B2Dec 14, 2010
Vibration system part for speaker device and manufacturing method thereof
PIONEER CORP2 citations63
US7443998B2Oct 28, 2008
Speaker diaphragm and manufacturing method thereof
PIONEER CORP6 citations63
US6772855B2Aug 10, 2004
Damper for speaker and method of producing the same
PIONEER CORP2 citations61
US7706564B2Apr 27, 2010
Diaphragm and speaker
PIONEER CORP2 citations57
US6871724B2Mar 29, 2005
Electroacoustic transducer frame and method of making the same
PIONEER CORP2 citations55
US10848860B2Nov 24, 2020
Speaker frame and speaker having the same
PIONEER CORP0 citations51
US10284946B2May 7, 2019
Speaker frame and speaker having the same
PIONEER CORP0 citations51
US10015585B2Jul 3, 2018
Speaker frame and speaker having the same
PIONEER CORP0 citations51
US9924262B2Mar 20, 2018
Speaker frame and speaker having the same
PIONEER CORP0 citations51
US7454032B2Nov 18, 2008
Magnesium diaphragm, method of manufacturing the same, and speaker apparatus
PIONEER CORP0 citations51
US7601763B2Oct 13, 2009
Diaphragm for speaker and manufacturing method thereof
PIONEER CORP0 citations49