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Inventor

Etuo Tamegai

Inventor
Saitama, JP

Overview

2→
Patents
2012
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C23Cprimary
C23CCoating metallic material40%
F16JPistons40%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
8,181,968'Piston ring'20128,088,496'Piston ring'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to ISHIKAWA HIROMI (2)· patent assignee history
2012Patents assigned to KARIYA TOMOTAKA (2)· patent assignee history
2012Patents assigned to STT INC (2)· patent assignee history
2012Patents assigned to TAMEGAI ETUO (2)· patent assignee history
2012Patents assigned to TSURUTA MAKOTO (2)· patent assignee history
2012Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ISHIKAWA HIROMI22012
KARIYA TOMOTAKA22012
STT INC22012
TAMEGAI ETUOself22012
TSURUTA MAKOTO22012
Locations
LocationPatentsSpan
Saitama, JP22012