Inventor

Yoshiyuki Shishido

Inventor

Kakuda, JP

Overview

1997–2017

Patent span

Performing operations

Primary field (CPC B)

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

B41Jprimary

B41JTypewriters47%

B41CProcesses for the manufacture or reproduction of printing surfaces35%

B41LApparatus or devices for manifolding, duplicating or printing for office or other commercial purposes12%

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 systems6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1997–2008Patents assigned to TOHOKU RIKO KK (9)· patent assignee history

1997–2012Based in Kakuda, JP· patent location history

2003–2008Based in Miyagi, JP· patent location history

2012–2017Patents assigned to RICOH CO LTD (2)· patent assignee history

2012–2017Patents assigned to SHISHIDO YOSHIYUKI (2)· patent assignee history

2012Patents assigned to HIRATSUKA HIROYUKI (1)· patent assignee history

2017Patents assigned to FUJITA MASAKAZU (1)· patent assignee history

2017Based in Kanagawa, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations