Inventor

Yoichiro Iwa

Inventor

Tokyo, JP

Overview

2000–2019

Patent span

Physics

Primary field (CPC G)

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Nprimary

G01NInvestigating or analysing materials by determining their chemical or physical properties50%

A61BDiagnosis17%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%

G01BMeasuring length, thickness or similar linear dimensions11%

H01LSemiconductor devices6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2000–2009Patents assigned to TOPCON CORP (12)· patent assignee history

2000–2009Based in Tokyo, JP· patent location history

2007–2009Based in Itabashi-ku, JP· patent location history

2008Patents assigned to TOKYO ELECTRON LTD (1)· patent assignee history

2019Patents assigned to SAMSUNG ELECTRONICS CO LTD (1)· patent assignee history

2019Based in Suwon-si, KR· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations