Inventor

Kenji Hiramatsu

Inventor

Osaka, JP

Overview

1992–2010

Patent span

General tagging of new technological developments

Primary field (CPC Y)

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

D01Fprimary

D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons25%

Y10TTechnical subjects covered by former us classification25%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%

D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials8%

E02DFoundations8%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1992–2000Patents assigned to KURARAY CO (4)· patent assignee history

1992Patents assigned to PILOT INK CO LTD (1)· patent assignee history

1992–1999Based in Otsu, JP· patent location history

1997Patents assigned to TAKEDA CHEMICAL INDUSTRIES LTD (1)· patent assignee history

1997–2000Based in Osaka, JP· patent location history

1999Patents assigned to NIHON EPOQUE CO LTD (1)· patent assignee history

2010Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history

2010Based in Tokyo, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KURARAY CO	4	1992–2000
MITSUBISHI ELECTRIC CORP	1	2010
NIHON EPOQUE CO LTD	1	1999
PILOT INK CO LTD	1	1992
TAKEDA CHEMICAL INDUSTRIES LTD	1	1997

Locations