Inventor

Tadao Ishikawa

Inventor

Mobara, JP

Overview

1992–2014

Patent span

Performing operations

Primary field (CPC B)

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

B24Dprimary

B24DTools for grinding, buffing or sharpening25%

B23DPlaning13%

B28DWorking stone or stone-like materials13%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables13%

G01DMeasuring not specially adapted for a specific variable13%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems13%

Y10TTechnical subjects covered by former us classification13%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to FUJIKOSHI KK (1)· patent assignee history

1992Based in Toyama, JP· patent location history

1994–2014Based in Tokyo, JP· patent location history

2003–2006Patents assigned to TENRYU SEIKYO KABUSHIKI KAISHA (2)· patent assignee history

2003Patents assigned to ASAOKA CO LTD (1)· patent assignee history

2003–2006Based in Mobara, JP· patent location history

2014Patents assigned to CENTRAL RES INST ELECT (1)· patent assignee history

2014Patents assigned to ISHIKAWA TADAO (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TENRYU SEIKYO KABUSHIKI KAISHA	2	2003–2006
ASAOKA CO LTD	1	2003
CENTRAL RES INST ELECT	1	2014
FUJIKOSHI KK	1	1992
ISHIKAWA TADAOself	1	2014

Locations