P

Inventor

ISHIKAWA HIRAKU

JP26 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA HIRAKU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NEC CORP

13 patents
US6277706B1Aug 21, 2001

Method of manufacturing isolation trenches using silicon nitride liner

NEC CORP122 citations98
US5894170AApr 13, 1999

Wiring layer in semiconductor device

NEC CORP55 citations96
US5587344ADec 24, 1996

Method for fabricating an oxynitride film for use in a semiconductor device

NEC CORP61 citations96
US6319847B1Nov 20, 2001

Semiconductor device using a thermal treatment of the device in a pressurized steam ambient as a planarization technique

NEC CORP20 citations92
US6239016B1May 29, 2001

Multilevel interconnection in a semiconductor device and method for forming the same

NEC CORP26 citations92
US6157083ADec 5, 2000

Fluorine doping concentrations in a multi-structure semiconductor device

NEC CORP21 citations92
US5861674AJan 19, 1999

Multilevel interconnection in a semiconductor device and method for forming the same

NEC CORP29 citations92
US5751050AMay 12, 1998

Semiconductor device having a polysilicon resistor element with increased stability and method of fabricating same

NEC CORP48 citations92
US5723386AMar 3, 1998

Method of manufacturing a semiconductor device capable of rapidly forming minute wirings without etching of the minute wirings

NEC CORP22 citations92
US5633208AMay 27, 1997

Planarization of insulation film using low wettingness surface

NEC CORP39 citations92
US6528410B1Mar 4, 2003

Method for manufacturing semiconductor device

NEC CORP8 citations74
US6071832AJun 6, 2000

Method for manufacturing a reliable semiconductor device using ECR-CVD and implanting hydrogen ions into an active region

NEC CORP10 citations74
US5882975AMar 16, 1999

Method of fabricating salicide-structure semiconductor device

NEC CORP9 citations74

TOKYO ELECTRON LTD

7 patents

ISHIKAWA HIRAKU

6 patents