Inventor

Keiji Sekine

Inventor

Chiyoda-ku, JP

Overview

8→

Patents

1989–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 8 as inventor

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

C03Cprimary

C03CChemical composition of glasses, glazes or vitreous enamels31%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients19%

C07DHeterocyclic compounds13%

C08LCompositions of macromolecular compounds13%

A61KPreparations for medical, dental or toiletry purposes6%

B29CShaping or joining of plastics6%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts6%

Y10TTechnical subjects covered by former us classification6%

PatentTitleYear

10,774,200Transparent ABS resin composition2020 9,896,569'Polycarbonate resin composition and molded article'2018 8,841,377'Glass fiber for reinforcing polycarbonate resin and polycarbonate resin formed article'2014 8,476,353'Amorphous polyamide resin composition and molded product'2013 7,700,682'Glass filler for polycarbonate resin, and polycarbonate resin composition'2010 4,883,879'Cephalosporin compounds, processes for their preparation and antibacterial agents'1989 4,882,314'A composition and method of treating selected malignant conditions'1989 4,822,786'Cephalosporin compounds, and antibacterial agents'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to KAKEN PHARMA CO LTD (2)· patent assignee history

1989Based in Omiya, JP· patent location history

1989Based in Yono, JP· patent location history

2010–2020Patents assigned to ASAHI FIBREGLASS CO (5)· patent assignee history

2010–2013Based in Tokyo, JP· patent location history

2013–2014Patents assigned to SEKINE KEIJI (2)· patent assignee history

2013Patents assigned to HIGASHIYAMA HIDEYUKI (1)· patent assignee history

2014–2020Based in Chiyoda-ku, JP· patent location history

2018Patents assigned to IDEMITSU KOSAN CO (1)· patent assignee history

2018Based in Koza-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ASAHI FIBREGLASS CO	5	2010–2020
KAKEN PHARMA CO LTD	2	1989
SEKINE KEIJIself	2	2013–2014
HIGASHIYAMA HIDEYUKI	1	2013
IDEMITSU KOSAN CO	1	2018

Locations

Location	Patents	Span
Chiyoda-ku, JP	2	2014–2020
Tokyo, JP	2	2010–2013
Omiya, JP	2	1989
Koza-gun, JP	1	2018
Yono, JP	1	1989