Inventor

Ryohei Miyake

Inventor

Osaka, JP

Overview

1993–2021

Patent span

Performing operations

Primary field (CPC B)

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

B41Mprimary

B41MPrinting, duplicating, marking, or copying processes23%

B41JTypewriters15%

C09DCoating compositions, e.g. paints, varnishes or lacquers15%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments12%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%

G11BInformation storage based on relative movement between record carrier and transducer8%

Y10TTechnical subjects covered by former us classification8%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%

C23CCoating metallic material4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1993–2000Patents assigned to RICOH KK (2)· patent assignee history

1993Based in Tokyo, JP· patent location history

2000Based in Numazu, JP· patent location history

2001Patents assigned to FURUYAMETALS CO LTD (1)· patent assignee history

2001Patents assigned to SONY CORP (1)· patent assignee history

2001Patents assigned to SONY DISC TECHNOLOGY INC (1)· patent assignee history

2001Based in Shizuoka, JP· patent location history

2019–2021Patents assigned to SAKATA INX CORP (4)· patent assignee history

2019–2021Based in Osaka, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations