Inventor
DOI MASAYUKI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “DOI MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
6 patentsUS5801589ASep 1, 1998
Frequency synthesizer which suppresses a spurious
MITSUBISHI ELECTRIC CORP57 citations95
US6603821B1Aug 5, 2003
Wireless communication terminal capable of correctly specifying position of burst and having small frequency error of recovered carrier
MITSUBISHI ELECTRIC CORP15 citations84
US6148215ANov 14, 2000
Mobile communication terminal
MITSUBISHI ELECTRIC CORP16 citations83
US5898743AApr 27, 1999
Digital radio communications receiver
MITSUBISHI ELECTRIC CORP10 citations73
US5715284AFeb 3, 1998
Digital radio communications receiver
MITSUBISHI ELECTRIC CORP7 citations73
US5898739AApr 27, 1999
QPSK demodulator for obtaining phase by arithmetic operation
MITSUBISHI ELECTRIC CORP4 citations63
DOI MASAYUKI
6 patentsUS8534951B2Sep 17, 2013
Joint unit
DOI MASAYUKI14 citations82
US9676039B2Jun 13, 2017
Tool holder
DOI MASAYUKI3 citations72
US8759681B2Jun 24, 2014
Wire protective member
DOI MASAYUKI5 citations65
US8086262B2Dec 27, 2011
Information terminal device
DOI MASAYUKI2 citations58
US8736472B2May 27, 2014
Volume adjusting circuit and volume adjusting method
DOI MASAYUKI0 citations51
US8525589B2Sep 3, 2013
Pop sound reduction circuit and audio circuit having such pop reduction circuit for use in audio amplifier
DOI MASAYUKI1 citations51
HITACHI LTD
5 patentsUS4873150AOct 10, 1989
High water-resistant member, and valve gear using the same for use in internal combustion engine
HITACHI LTD63 citations96
US6585148B2Jul 1, 2003
Welding processes for iron-base ultra fine grained materials and structural components manufactured by the processes
HITACHI LTD40 citations92
US6729526B2May 4, 2004
Friction stir welding apparatus and method and processing apparatus and method
HITACHI LTD40 citations91
US7480992B2Jan 27, 2009
Cooling plate and manufacturing method thereof, and sputtering target and manufacturing method thereof
HITACHI LTD17 citations84
US5242264ASep 7, 1993
Machine on ground provided with heat resistant wall used for isolating from environment and heat resistant wall used therefor
HITACHI LTD16 citations73
GREE INC
4 patentsUS12036475B2Jul 16, 2024
Video game with bounded region capture and ownership value swap
GREE INC0 citations62
US11547939B2Jan 10, 2023
Video game with bounded region capture and ownership value swap
GREE INC0 citations62
US10918950B2Feb 16, 2021
Video game with bounded region capture and ownership value swap
GREE INC0 citations62
US10220320B2Mar 5, 2019
Video game with bounded region capture and ownership value swap
GREE INC0 citations52