P

Inventor

UMEZAWA TADASHI

JP11 patents
⚠️ This page may combine multiple inventors who share the name “UMEZAWA TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

5 patents
US6660647B1Dec 9, 2003

Method for processing surface of sample

HITACHI LTD28 citations92
US6235620B1May 22, 2001

Process for manufacturing semiconductor integrated circuit device

HITACHI LTD47 citations92
US6686619B2Feb 3, 2004

Dynamic random access memory with improved contact arrangements

HITACHI LTD7 citations73
US6191045B1Feb 20, 2001

Method of treating surface of sample

HITACHI LTD10 citations73
US7259104B2Aug 21, 2007

Sample surface processing method

HITACHI LTD2 citations63

KONISHIROKU PHOTO IND

2 patents
US4305651ADec 15, 1981

System for adjusting output current of discharge electrode for electrophotographic copying machines

KONISHIROKU PHOTO IND11 citations68
US4386844AJun 7, 1983

Two-cycle electrophotographic copying apparatus in which a cleaning lamp and a neutralizing electrode are disposed on opposite sides of an electric charging device

KONISHIROKU PHOTO IND2 citations62

(unassigned)

1 patent
US6329681B1Dec 11, 2001

Semiconductor integrated circuit device and method of manufacturing the same

38 citations91

NEC CORP

1 patent
US5784484AJul 21, 1998

Device for inspecting printed wiring boards at different resolutions

NEC CORP40 citations91

OKADA TOMOHIRO

1 patent
US8137571B2Mar 20, 2012

Method for manufacturing perpendicular magnetic recording head

OKADA TOMOHIRO2 citations60

NIPPON SODA CO

1 patent
US7223884B2May 29, 2007

Process for production of methionine

NIPPON SODA CO3 citations55