Inventor

Akira Miyagawa

Inventor

Tanashi, JP

Overview

1977–2012

Patent span

Physics

Primary field (CPC G)

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

B41Jprimary

B41JTypewriters18%

C06FMatches18%

G11BInformation storage based on relative movement between record carrier and transducer18%

G01NInvestigating or analysing materials by determining their chemical or physical properties9%

G06FElectric digital data processing9%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes9%

G07GRegistering the receipt of cash, valuables, or tokens9%

Y10TTechnical subjects covered by former us classification9%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977–1979Patents assigned to DAICEL LTD (2)· patent assignee history

1977–1979Based in Himeji, JP· patent location history

1985–1988Patents assigned to CANON KK (5)· patent assignee history

1985–1988Based in Tanashi, JP· patent location history

1985Based in Tokyo, JP· patent location history

1999–2004Based in Kanagawa, JP· patent location history

2012Patents assigned to AONUMA MASASHI (1)· patent assignee history

2012Patents assigned to KURIYAMA TOSHIO (1)· patent assignee history

2012Patents assigned to MIYAGAWA AKIRA (1)· patent assignee history

2012Based in Shiojiri, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations