Inventor

Naoki Kamada

Inventor

Mito, JP

Overview

1977–2021

Patent span

Human necessities

Primary field (CPC A)

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

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes10%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations10%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients10%

C08LCompositions of macromolecular compounds10%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof10%

F02NStarting of combustion engines10%

H01BCables10%

LOC1510%

Y02TClimate change mitigation technologies related to transportation10%

Y10TTechnical subjects covered by former us classification10%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977–1994Patents assigned to HITACHI LTD (3)· patent assignee history

1977Based in Hitachi, JP· patent location history

1993Patents assigned to HITACHI AUTOMOTIVE ENG (1)· patent assignee history

1993–1994Based in Mito, JP· patent location history

1994Patents assigned to SOMAR CORP (1)· patent assignee history

2017Patents assigned to OTSUKA PHARMA CO LTD (1)· patent assignee history

2017Based in Osaka, JP· patent location history

2021Patents assigned to MITSUBISHI MAHINDRA AGRICULTURAL MACHINERY CO LTD (1)· patent assignee history

2021Based in Matsue, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	3	1977–1994
HITACHI AUTOMOTIVE ENG	1	1993
MITSUBISHI MAHINDRA AGRICULTURAL MACHINERY CO LTD	1	2021
OTSUKA PHARMA CO LTD	1	2017
SOMAR CORP	1	1994

Locations