Inventor

Tetsuji Shibata

Inventor

Osaka, JP

Overview

2003–2021

Patent span

Performing operations

Primary field (CPC B)

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

B23Dprimary

B23DPlaning10%

B28DWorking stone or stone-like materials10%

B22FWorking metallic powder5%

B24BMachines, devices, or processes for grinding or polishing5%

B24DTools for grinding, buffing or sharpening5%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%

B60LPropulsion of electrically-propelled vehicles5%

C01BNon-metallic elements5%

C04BLime, magnesia5%

C22CAlloys5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to TANAKA KOGYO (1)· patent assignee history

2003Based in Yachiyo, JP· patent location history

2009Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (1)· patent assignee history

2009Based in Hirakata, JP· patent location history

2015–2020Patents assigned to PANASONIC IP MAN CO LTD (4)· patent assignee history

2015Patents assigned to PANASONIC CORP (1)· patent assignee history

2015–2020Based in Osaka, JP· patent location history

2021Patents assigned to CANON KK (1)· patent assignee history

2021Based in Tokyo, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PANASONIC IP MAN CO LTD	4	2015–2020
CANON KK	1	2021
MATSUSHITA ELECTRIC WORKS LTD	1	2009
PANASONIC CORP	1	2015
TANAKA KOGYO	1	2003

Locations