Inventor
KOIZUMI MASAHIRO
JP38 patents
⚠️ This page may combine multiple inventors who share the name “KOIZUMI MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
10 patentsUS6798072B2Sep 28, 2004
Flip chip assembly structure for semiconductor device and method of assembling therefor
HITACHI LTD144 citations97
US6434008B1Aug 13, 2002
Semiconductor device
HITACHI LTD84 citations97
US5956231ASep 21, 1999
Semiconductor device having power semiconductor elements
HITACHI LTD85 citations96
US5884835AMar 23, 1999
Ultrasonic bonding method and ultrasonic bonding apparatus
HITACHI LTD60 citations96
US4965656AOct 23, 1990
Semiconductor device
HITACHI LTD84 citations96
US6569764B1May 27, 2003
Method of manufacturing a semiconductor package by attaching a lead frame to a semiconductor chip via projecting electrodes and an insulating sheet of resin material
HITACHI LTD43 citations92
US6784554B2Aug 31, 2004
Semiconductor device and manufacturing method thereof
HITACHI LTD49 citations91
US4976393ADec 11, 1990
Semiconductor device and production process thereof, as well as wire bonding device used therefor
HITACHI LTD40 citations89
US4912544AMar 27, 1990
Corrosion-resistant aluminum electronic material
HITACHI LTD16 citations74
US5153704AOct 6, 1992
Semiconductor device using annealed bonding wire
HITACHI LTD5 citations62
FURUKAWA ROCK DRILL CO LTD
5 patentsUS11072977B2Jul 27, 2021
Two-piston hydraulic striking device
FURUKAWA ROCK DRILL CO LTD4 citations73
US10493610B2Dec 3, 2019
Hydraulic hammering device
FURUKAWA ROCK DRILL CO LTD6 citations69
US11207769B2Dec 28, 2021
Hydraulic hammering device
FURUKAWA ROCK DRILL CO LTD1 citations62
US11052524B2Jul 6, 2021
Hydraulic hammering device
FURUKAWA ROCK DRILL CO LTD0 citations52
US11034010B2Jun 15, 2021
Hydraulic hammering device
FURUKAWA ROCK DRILL CO LTD0 citations52
RENESAS TECH CORP
4 patentsSEGA ENTERPRISES KK
3 patentsUS5630170AMay 13, 1997
System and method for determining peripheral's communication mode over row of pins disposed in a socket connector
SEGA ENTERPRISES KK68 citations92
US5872999AFeb 16, 1999
System for peripheral identification obtained by calculation and manipulation data collecting for determining communication mode and collecting data from first terminal contacts
SEGA ENTERPRISES KK42 citations89
US5892974AApr 6, 1999
System for sub-data processor identifies the peripheral from supplied identification data and supplies data indicative of the kind of peripheral to main data processor
SEGA ENTERPRISES KK45 citations88