Inventor

Hiroshi Hanzawa

Inventor

Tokyo, JP

Overview

1994–2019

Patent span

Performing operations

Primary field (CPC B)

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

B41Lprimary

B41LApparatus or devices for manifolding, duplicating or printing for office or other commercial purposes36%

B41FPrinting machines or presses7%

B41JTypewriters7%

B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general7%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them7%

G03GElectrography7%

G05GControl devices or systems insofar as characterised by mechanical features only7%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes7%

H04NPictorial communication, e.g. television7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to RICOH KK (1)· patent assignee history

1995–2003Patents assigned to RISO KAGAKU CORP (6)· patent assignee history

1995–1996Based in Tokyo, JP· patent location history

1996Patents assigned to RISO KOGAKU CORP (1)· patent assignee history

1997Based in Minato-ku, JP· patent location history

2001Based in Inashiki-gun, JP· patent location history

2003Based in Ibaraki, JP· patent location history

2019Patents assigned to ALPS ALPINE CO LTD (1)· patent assignee history

2019Based in Miyagi, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations