Inventor

Kouichi Ito

Inventor

Sashima-gun, JP

Overview

1991–2004

Patent span

Performing operations

Primary field (CPC B)

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

B01Dprimary

B01DSeparation17%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof17%

A01KAnimal husbandry8%

A47LDomestic washing or cleaning8%

B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles8%

C21DModifying the physical structure of ferrous metals8%

C23CCoating metallic material8%

Y02TClimate change mitigation technologies related to transportation8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

Y10TTechnical subjects covered by former us classification8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to AISIN SEIKI (1)· patent assignee history

1991Based in Kariya, JP· patent location history

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

1994Based in Osaka, JP· patent location history

2001Patents assigned to DAIWA SEIKO INC (1)· patent assignee history

2001Based in Tokyo, JP· patent location history

2003–2004Patents assigned to KYOSAN DENKI KK (2)· patent assignee history

2003Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (1)· patent assignee history

2003–2004Based in Sashima-gun, JP· patent location history

2003Based in Shiga, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KYOSAN DENKI KK	2	2003–2004
AISIN SEIKI	1	1991
DAIWA SEIKO INC	1	2001
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	1	2003
NARD KENKYUSHO KK	1	1994

Locations