Inventor

Okimasa Yamada

Inventor
Kitaibaraki, JP

Overview

9→
Patents
1986–2001
Patent span
Chemistry
Primary field (CPC C)

Patents· 9 as inventor

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

C08Kprimary
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients21%
C07CAcyclic or carbocyclic compounds14%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
C12CBeer14%
C04BLime, magnesia7%
C08LCompositions of macromolecular compounds7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
F16CShafts7%
F16JPistons7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2001Patents assigned to NIPPON MEKTRON KK (7)· patent assignee history
1986–2001Based in Kitaibaraki, JP· patent location history
1988Patents assigned to YAMADA OKIMASA (1)· patent assignee history
1989Based in Isohara, JP· patent location history
2000Patents assigned to NIPPON MEDTRON LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON MEKTRON KK71986–2001
NIPPON MEDTRON LTD12000
YAMADA OKIMASAself11988
Locations
LocationPatentsSpan
Kitaibaraki, JP81986–2001
Isohara, JP11989