P

Inventor

TATSUMI TETSUYA

JP22 patents
⚠️ This page may combine multiple inventors who share the name “TATSUMI TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

15 patents
US5200028AApr 6, 1993

Etching process of silicon material

SONY CORP55 citations96
US5378311AJan 3, 1995

Method of producing semiconductor device

SONY CORP84 citations95
US5368686ANov 29, 1994

Dry etching method for W polycide using sulfur deposition

SONY CORP45 citations92
US5362361ANov 8, 1994

Dry etching method

SONY CORP30 citations92
US5354421AOct 11, 1994

Dry etching method

SONY CORP23 citations92
US5266154ANov 30, 1993

Dry etching method

SONY CORP43 citations92
US5180464AJan 19, 1993

Dry etching method

SONY CORP29 citations92
US5660681AAug 26, 1997

Method for removing sidewall protective film

SONY CORP40 citations91
US7473646B2Jan 6, 2009

Dry etching method and production method of magnetic memory device

SONY CORP8 citations83
US5227341AJul 13, 1993

Method of manufacturing a semiconductor device using an isopropyl alcohol ashing step

SONY CORP11 citations73
US5211790AMay 18, 1993

Dry etching method by sulfur conditioning

SONY CORP17 citations73
US7439068B2Oct 21, 2008

Plasma monitoring method, plasma processing method, method of manufacturing semiconductor device, and plasma processing system

SONY CORP2 citations62
US8747685B2Jun 10, 2014

Shape simulation apparatus, shape simulation program, semiconductor production apparatus, and semiconductor device production method

SONY CORP0 citations52
US7808026B2Oct 5, 2010

Dry etching method and production method of magnetic memory device

SONY CORP1 citations51
US9287097B2Mar 15, 2016

Predicting ultraviolet ray damage with visible wavelength spectroscopy during a semiconductor manufacturing process

SONY CORP0 citations41

KUBOI NOBUYUKI

4 patents

SONY SEMICONDUCTOR SOLUTIONS CORP

2 patents

MAEDA KENSAKU

1 patent